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Sharp FO 4400 - B/W Laser - All-in-One Service Manual
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Sharp FO 4400 - B/W Laser - All-in-One Service Manual

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See also: Operating Manual
Illustration: FO-4400
Illustration: FO-CS1
CAUTION
This laser printer is a class 1 laser product that complies with 21CFR 1040.10 and 1040.11 of the CDRH or IEC60825-1 standard. This
means that this machine does not produce a hazardous laser radiation. The use of controls, adjustments or performance of procedures
other than those specified herein may result in hazardous radiation exposure.
This laser radiation is not a danger to the skin, but when an exact focusing of the laser beam is achieved on the eyes retina, there is
danger of spot damage to the retina.
The following cautions must be observed to avoid exposure of the laser beam to your eyes at the time of servicing.
1) When a problem in the laser optical unit has occurred, the whole optical unit must be exchanged as a unit, not an individual part.
2) Do not look into the machine with the main switch turned on after removing the toner/developer unit and drum cartridge.
3) Do not look into the laser beam exposure slit of the laser optical unit with the connector connected when removing and installing the
optical system.
4) The cover of Laser Printer Unit contains the safety interlock switch.
Do not defeat the safety interlock by inserting wedges or other items into the switch slot.
Laser Wave Length : 770-795 nm
Laser Pulse Times : 51.3 ns
Laser Output Power : 5 mW
Parts marked with " " is important for maintaining the safety of the set. Be sure to replace these parts with specified ones for
maintaining the safety and performance of the set.

SERVICE MANUAL

SHARP CORPORATION
1 - 1
No. 00ZFO4400USME
FACSIMILE
MODEL
MODEL
SELECTION CODE DESTINATION
FO-4400
OPTION:PAPER CASSETTE
MODEL
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
FO-4400U
FO-CS1
FO-4400
U
U.S.A./Canada
FO-CS1
OPTION
Toner cartridge:
FO-50ND
Drum cartridge:
FO-47DR
Option memory:
FO-8MK
Verification stamp:
FO-45VS
Paper cassette:
FO-CS1

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Summary of Contents for Sharp FO 4400 - B/W Laser - All-in-One

  • Page 1: Service Manual

    Parts marked with " " is important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set. This document has been published to be used SHARP CORPORATION for after sales service only. The contents are subject to change without notice.

  • Page 2: Table Of Contents

    FO-4400U FO-CS1 CONTENTS • CAUTION FOR BATTERY REPLACEMENT • PRECAUTIONS FOR USING LEAD-FREE SOLDER CHAPTER 1. GENERAL DESCRIPTION [1] Specifications ..............1-1 [2] Life of consumable .

  • Page 3: Caution For Battery Replacement

    FO-4400U FO-CS1 CAUTION FOR BATTERY REPLACEMENT (French) ATTENTION (Danish) ADVARSEL ! Il y a danger d’explosion s’ il y a remplacement incorrect Lithiumbatteri-Eksplosionsfare ved fejlagtig håndtering. de la batterie. Remplacer uniquement avec une batterie du Udskiftning må kun ske med batteri af samme fabrikat og type. même type ou d’un type recommandé...

  • Page 4: Chapter 1. General Description

    (Not including supplies paper tray or (500-sheet cassette available as option) attachments) Compression scheme: MMR, MR, MH, Sharp (H2) * Based on ITU-T Test Chart #1 at standard resolution, excluding time for protocol signals (i.e., ITU-T phase C time only). <IMPORTANT PLEASE READ FIRST>...

  • Page 5: Operation Panel

    FO-4400U FO-CS1 [3] Operation panel SYMBOL key When entering a name, press this key to enter the symbol on a letter key (the character to the right of the slash). Press the key again to turn off symbol entry mode. PLAIN PAPER LASER FACSIMILE PAGE COUNTER key HALF TONE...

  • Page 6: Transmittable Documents

    FO-4400U FO-CS1 [4] Transmittable documents 4. Cautions on Transmitting Documents 1. Document Sizes • Documents written in yellow, greenish yellow, or light blue ink cannot be transmitted. width 5.8" – 10.1" (148 – 256 mm) Normal size • Ink, glue, and correcting fluid on documents must be dry before the length 5.0"...

  • Page 7: Installation

    FO-4400U FO-CS1 [5] Installation Connecting the telephone line cord Insert one end of the line cord into the jack on the back of the ma- 1. Site selection chine marked TEL. LINE. Insert the other end into a standard (RJ11C) single-line wall telephone jack.
  • Page 8 FO-4400U FO-CS1 3. Installing the printer cartridges If you are replacing the drum cartridge, remove the old cartridge and dispose of it according to local regulations. (Toner cartridge: FO-50ND) (Drum cartridge: FO-47DR) Follow the steps below to install or replace the toner and drum car- tridges.
  • Page 9 Use the following replacement toner cartridge. • The received document tray must be attached for the fax machine Sharp FO-50ND toner cartridge to operate properly. Hint: When the toner cartridge nears empty, try taking it out of the ma- chine and shaking it.
  • Page 10 FO-4400U FO-CS1 Loading paper in the paper cassette (if installed FO-CS1) 5. Clearing paper jams Note: To use A4 paper in the paper cassette, you must have a service Clearing a jammed document technician adjust the cassette. If the original document doesn’t feed properly during transmission or copying, or REMOVE ORIGINAL(S) appears in the display, fist try press- Grasp the hand-hold on the cassette and pull the cassette out until it START/...
  • Page 11 FO-4400U FO-CS1 Replace the drum cartridge. Clearing a jammed printing paper • If the printing paper jams, PAPER JAM will appear in the display. Follow Make sure the drum cartridge is inserted in as far as it will go. the steps below to clear the jam. Press the green release and open the print compartment cover.
  • Page 12 FO-4400U FO-CS1 6. Installing the paper cassette (FO-CS1) Place the machine on top of the cassette. 1. Insert the cable guide into the cut-out in the edge of the metal Installing the second paper cassette plate, and then fold it in half and hook the top and bottom edges together.
  • Page 13 FO-4400U FO-CS1 Secure the plates with screws as shown. Use 6 mm screws for the Attach the support plate to the left side of the machine, inserting the holes marked with “A”, and 10 mm screws for the holds marked with top edges of the plate under the machine housing.

  • Page 14: Quick Reference Guide

    FO-4400U FO-CS1 7. Replacing the Verification Stamp (FO-45VS) [6] Quick reference guide SENDING FAXES If you are using the Verification Stamp function, you will need to replace Place your document (up to 50 letter-size pages) face down in the docu- the ink cartridge in the stamp unit when it runs out of ink (when the ment feeder.

  • Page 15: Chapter 2. Adjustments

    8pin repaired. If not, F1, F2, F5, F100 and F101 will open again. +24V SUB 23.04V~24.96V CN5 1pin 2pin Replacement parts ICP-S0.5 (Sharp code: VHViCPS05//-1) Connector Connector ICP-S1.0 (Sharp code: VHViCPS10//-1) ICP-S1.8 (Sharp code: VHViCPS18//-1) Pin No. CNPW1 Pin No.

  • Page 16: Diagnostics And Service Soft Switches

    FO-4400U FO-CS1 [2] Diagnostics and service soft switches 1-2. Print diagnosis This diagnosis is concerned with the print which is used for production and service support. 1. Operating procedure Entering the diagnostic mode Two kinds of diagnoses are supported. 1-1. Fax diagnosis Press MENU , and the following...
  • Page 17 FO-4400U FO-CS1 • 2. Diagnostic items description OFF to ON of department control function during use of image memory. (Note: In the existing set, the department control function is set 2-1. Fax diagnosis from OFF to ON when the timer communication (including the batch sending) or the memory hold is set.) A) Soft switch mode •...
  • Page 18 FO-4400U FO-CS1 E) Aging mode I) Signal send mode After shift to the mode, press the START key, and the signals will be This is a mode to execute the copying action and the check pattern transmitted in the following sequence. printing action once every 60 minutes and continue the action until 10 It can be used to check the modem and so on.
  • Page 19 FO-4400U FO-CS1 P) Signal send mode 2 L) Flash Memory check The signals concerned with V.34 & V.8 are checked. This is a mode to check that the flash memory acts normally. The flash After this mode is activated, press the START key, and the signals will memories shown in the following table are checked.
  • Page 20 FO-4400U FO-CS1 R) Stamp aging mode 2-2. Print diagnosis This is a mode to execute the continuous drive aging of the Verification Rapid key 01: Area print mode 1 stamp. The effective printing area frame is printed in the specified sheet size. Set the document and press down the “START”...
  • Page 21 FO-4400U FO-CS1 Rapid key 02: Check pattern 1 Rapid key 08: Bias adjust mode The lateral stripe 2 pattern is printed on one sheet. The mode is used to adjust the printing density of the printed image. (Black 2 line and white 2 line are repeated.) The image printing density is adjustable in seven steps of 1 to 7.
  • Page 22 FO-4400U FO-CS1 Rapid key 11: Life entry mode Rapid key 12: Life clear mode (For Serviceman temporary counter) The mode is used to respectively clear the life counter of the printer and the counter of the auto feeder. For setting, proceed with the following The mode is used to set a desired value for the judgment value (alarm procedure.
  • Page 23 FO-4400U FO-CS1 3. How to make soft switch setting To enter the soft switch mode, make the following key entries in sequence. Press MENU START START S F T S W 1 = 0 0 0 0 0 0 0 0 Press MENU key.
  • Page 24 FO-4400U FO-CS1 4. Soft switch description • Soft switch Switch setting and function Initial DATA ITEM Remarks setting Recall interval Binary input OPTION No. = 4 (Data No.) Set to 1~15 eg. Recall interval is set to 5 min. Recall times Binary input OPTION No.
  • Page 25 FO-4400U FO-CS1 Switch setting and function Initial DATA ITEM Remarks setting JBIG (Joint Bi-level Image Group) JBIG (Joint Bi-level Image Group) option Modem speed V.33 V.17 V. 29 V. 27ter 14400 12000 14400 12000 9600 7200 9600 7200 4800 2400 No.
  • Page 26 FO-4400U FO-CS1 Switch setting and function Initial DATA ITEM Remarks setting Memory retransmission times Binary input OPTION No. = 4 (Data No.) eg. Retransmission time set to 10 times. SW10 Memory retransmission interval Binary input OPTION No. = 8 (Data No.) V.34 mode transmission speed Sending speed = 2400 (bps) x (N+1) Example :...
  • Page 27 FO-4400U FO-CS1 Switch setting and function Initial DATA ITEM Remarks setting Reserved Reserved Reserved Reserved SW15 Cl Signal OFF detect enable time (ms) 1200 No. 5 No. 6 No. 7 No. 8 Reserved Reserved Reserved Reserved SW16 Distinctive ringing STD RING1 RING2 RING3 RING4 RING5 No.
  • Page 28 FO-4400U FO-CS1 Switch setting and function Initial DATA ITEM Remarks setting Reserved Reserved Reserved Busy tone detection frequency 520~640Hz 300~600Hz 380~500Hz Reserve Reserve SW21 No. 4 No. 5 No. 6 Reserved Reserved Reserved Reserved Reserved Reserved SW22 Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 29 FO-4400U FO-CS1 Switch setting and function Initial DATA ITEM Remarks setting Reserved Reserved Reserved Reserved SW28 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW29 Reserved Reserved Reserved Reserved Reserved Reserved Reserved U.S.A. Canada SW30 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 30 FO-4400U FO-CS1 Switch setting and function Initial DATA ITEM Remarks setting Reserved Reserved Reserved Reserved SW34 Reserved Reserved Reserved Reserved U.S.A. Canada Reserved Reserved Reserved SW35 Reserved Reserved Reserved Reserved Reserved U.S.A. Canada Reserved Reserved Reserved SW36 Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 31 FO-4400U FO-CS1 Switch setting and function Initial DATA ITEM Remarks setting Reserved Reserved Reserved Reserved SW40 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW41 Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW42 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW43...
  • Page 32 FO-4400U FO-CS1 Switch setting and function Initial DATA ITEM Remarks setting Reserved Reserved Reserved Reserved SW46 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW47 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW48 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW49...
  • Page 33 FO-4400U FO-CS1 Switch setting and function Initial DATA ITEM Remarks setting Reserved Reserved Reserved Reserved SW52 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW53 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW54 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW55...
  • Page 34 FO-4400U FO-CS1 Switch setting and function Initial DATA ITEM Remarks setting Reserved Reserved Reserved Reserved SW58 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW59 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW60 Reserved Reserved Reserved Reserved F.A.S.T. (RMS) mode Reserved Verification stamp Day light saving...
  • Page 35 FO-4400U FO-CS1 Switch setting and function Initial DATA ITEM Remarks setting Header registration Reserved Continuous serial polling Time interval for continuous serial polling OPTION SW64 0 min. 30 min. 60 min. 120 min. When SW64 -No.3 No. 4 is on, option setting No.
  • Page 36 FO-4400U FO-CS1 Switch setting and function Initial DATA ITEM Remarks setting Reserved Reserved Reserved Reserved SW69 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW70 Reserved Reserved Reserved Reserved The default resolution for copying Standard Fine S-Fine U-Fine OPTION No. 1 No.
  • Page 37 FO-4400U FO-CS1 Switch setting and function Initial DATA ITEM Remarks setting Copy protect switch Cut-off mode (when copy mode) Continue Cut-off OPTION Scanning ratio in memory input 1 : 1 Reduce Memory scanning Overseas communication mode selection function Yes SW75 Reserved Reduce ratio when copy mode AUTO...
  • Page 38 FO-4400U FO-CS1 Switch setting and function Initial DATA ITEM Remarks setting Reserved Reserved Reserved Reserved SW81 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW82 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW83 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW84...
  • Page 39 FO-4400U FO-CS1 Switch setting and function Initial DATA ITEM Remarks setting Reserved Reserved Reserved Reserved SW87 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW88 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW89 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW90...
  • Page 40 FO-4400U FO-CS1 Switch setting and function Initial DATA ITEM Remarks setting Reserved Reserved Reserved Reserved SW94 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW95 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW96 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW97...
  • Page 41 FO-4400U FO-CS1 SW4 No. 1 ~ No. 3 Communication results printout • Soft switch function description It is possible to obtain communication results after each transaction. SW1 No. 1 ~ No. 4 Recall interval Normally, the switch is set (No. 1: 0, No. 2: 0, No. 3: 1) so that the Choice is made for a recall interval for speed and rapid dial numbers.
  • Page 42 FO-4400U FO-CS1 SW6 No. 4 MR SW9 No. 4 Equalizer freeze conditions MR (Modified READ) selects presence of the compression function. Setting which specifies SW9 No.3 control only in condition of 7200bps modem speed. SW6 No. 5 ~ No. 8 Modem speed Used to determine the initial modem speed.
  • Page 43 FO-4400U FO-CS1 SW16 No. 5 ~ No. 8 Distinctive ringing SW21 No. 7, No. 8 Reserved When the ringing setting is turned off, all of the CI signal are received. Set to "0". When any of the standard, and ring patterns 1 through 3 is selected for SW22 No.
  • Page 44 FO-4400U FO-CS1 SW30 No. 1 ~ No. 4 Reserved SW36 No. 3 Reserved (For U.S.A.) Set to "0". Set to "0". SW36 No. 3 Reserved (For Canada) SW30 No. 5 Reserved (For U.S.A.) Set to "1". Set to "1". SW36 No. 4 ~ No. 8 Reserved SW30 No.
  • Page 45 FO-4400U FO-CS1 SW52 No. 1 ~ No. 8 Reserved SW64 No. 2 Reserved Set to "0". Set to "0". SW53 No. 1 ~ No. 8 Reserved SW64 No. 3 Continuous serial polling Set to "0". Turns ON/OFF the continuous polling function. SW54 No.
  • Page 46 FO-4400U FO-CS1 SW66 No. 1 ~ No. 3 The 3rd priority cassette SW71 No. 3 Reserved To select the third priority cassette. Set to "0". SW71 No. 4 Reserved 000: Not used (To set in case of using only paper Set to "1".
  • Page 47 FO-4400U FO-CS1 SW75 No. 3 Scanning ratio in memory input SW79 No. 1 Secure billing code In the case of memory transmission, etc., only letter size (A4) docu- When the tel. billing code function is ON, the operation of secure billing ments can be stored in the memory.
  • Page 48 FO-4400U FO-CS1 SW88 No. 1 ~ No. 8 Reserved Set to "0". SW89 No. 1 ~ No. 7 Reserved Set to "0". SW89 No. 8 Reserved Set to "1". SW90 No. 1, No.2 Reserved Set to "0". SW90 No. 3 Reserved Set to "1".

  • Page 49: Troubleshooting

    FO-4400U FO-CS1 [3] Troubleshooting 1. Fax troubleshooting • Apply line equalization SOFT SWITCH 8-1, 2 Refer to the following actions to troubleshoot any of the problems men- May be used in all cases. tioned in 1-4. • Slow down the transmission speed SOFT SWITCH 6-5, 6, 7, 8 [1] A communication error occurs.

  • Page 50: Error Code Table

    FO-4400U FO-CS1 [4] Error code table 1. Communication error code table G3 Transmission Code Final received signal Error Condition (Receiver side) Incomplete signal frame Cannot recognize bit stream after flag NSF, DIS Cannot recognize DCS signal by echo etc. Cannot recognize NSS signal (FIF code etc) Disconnects line during reception (carrier missing etc) Disconnects line by fallback Disconnects line during reception of multi page...
  • Page 51 FO-4400U FO-CS1 Super G3 mode Error Code Transmission Errors Reception Errors E-16 Same as E-0 Same as E-0 E-17 Same as E-1 Same as E-1 E-18 Same as E-2 Same as E-2 E-19 Same as E-8 E-20 Same as E-4 Same as E-9 E-21 Same as E-10...

  • Page 52: Overseas Communication Mode

    FO-4400U FO-CS1 [5] Overseas communication mode (1) Function The Super G3 (V.34) mode is susceptible to influence of line. It is better to use the G3 (V.17) mode for communication in specific line conditions. This function is provided to support this status. (2) Memory retransmission In case of memory transmission the retransmission is performed in the following conditions.

  • Page 53: Chapter 3. Mechanical Description

    FO-4400U FO-CS1 2) Document separation system: CHAPTER 3. MECHANICAL DESCRIPTION Friction + speed reduction ratio + roller backlash separation system Separate rubber [1] Mechanical description Transfer plate Last page of document 1. Facsimile block 1-1. Document feed block and diagram Document Front sensor Separate rubber...

  • Page 54: Printer Description

    FO-4400U FO-CS1 [2] Printer description 1. COMPONENTS LAYOUT 2 3 4 1. Scanner Drive Roller 2 2. Operation Panel 3. CIS Unit 4. Scanner Drive Roller 1 5. Scanner Feed Roller 6. Transfer Roller 7. Upper Cover 8. Printer Head 9.
  • Page 55 FO-4400U FO-CS1 3. PRINTER ENGINE ELECTRICAL COMPONENTS LAYOUT PWB-D PWB-B PWB-G PWB-A PS5B PS5A Fig. 3 4. ELECTRICAL PARTS IDENTIFICATION Symbol Name Function PWB-A Printer PWB unit Communicates with the control PWB and controls all printer operation. PWB-B Power Supply PWB unit Converts the power voltage from AC voltage into DC voltage and supplies that to H1.

  • Page 56: Paper Path

    FO-4400U FO-CS1 5. PAPER PATH Paper can be fed into the printer from the Multi Purpose Tray (250 sheets) or from the Manual Feed Port (1 sheet). Installing the 2nd Paper Cassette Unit (FO-CS1) (500sheets) adds an- other feeding method. The paper fed by the Paper Take-Up Roller is transported to the Image Transfer Roller, Fusing Roller and then Paper Exit Roller.

  • Page 57: Toner Cartridge

    FO-4400U FO-CS1 8. LASER EXPOSURE Charged Surface PC Drum Reflector Mirror Laser exposure is the process of creating an invisible static charge im- age on the PC Drum by the laser beam emitted from the Print Head Unit. This process is controlled as follows in order to appropriately time image printing.
  • Page 58 FO-4400U FO-CS1 10. IMAGE TRANSFER 11-2. Fusing Temperature Control Circuit · The Thermistor (TH1) detects the surface temperature of the Heat Roller 10-1. Overview and inputs that analog voltage into IC4-78. Corresponding to this data, · Image transfer is the process of transferring the toner image created the Heater Lamp (H1) ON/OFF signal is output from IC4-55, causing on the PC Drum in the developing process to paper.
  • Page 59 FO-4400U FO-CS1 12. PRINT SEQUENCE Printing is carried out following communication between the engine and controller that determines the timing to be used. A general outline of the printing sequence is described below. Controller Engine /PRINT Initiates the printing command. Prepares for printing - Print head - Feeds a sheet of paper, etc.
  • Page 60 FO-4400U FO-CS1 13. Timing chart 13-1. Print Starting Printing Command (/PRINT) Polygon Motor(M3) Main Motor (M1) Paper Take-Up Solenoid (SL1) Paper Take-Up Sensor (PS1) DC Charge DC Charge AC Charge Drum Charge Exposure (output) Charge Charge Development (output) Image Transfer (output) Fig.

  • Page 61: Disassembly And Assembly Procedures

    FO-4400U FO-CS1 [3] Disassembly and assembly procedures • This chapter mainly describes the disassembly procedures. For the assembly procedures, reverse the disassembly procedures. • Easy and simple disassembly/assembly procedures of some parts and units are omitted. For disassembly and assembly of such parts and units, refer to the Parts List.
  • Page 62 FO-4400U FO-CS1 Parts list (Fig. 2) Rear cabinet Part name Q’ty Main unit Screw (3 10) ROM cover Screw (3 10) Rear cabinet HOOK HOOK HOOK Fig. 2 3 – 10...
  • Page 63 FO-4400U FO-CS1 Parts list (Fig. 3) PWB plate, Right cabinet Part name Q’ty Main unit Screw (3 6) PWB plate Screw (3 10) Right cabinet Control Printer LIU PWB HOOK HOOK HOOK Fig. 3 3 – 11...
  • Page 64 FO-4400U FO-CS1 Parts list (Fig. 4) PWB unit Part name Q’ty Main unit Screw (3 6) Screw (3 10) Connector LIU PWB unit Control PWB unit Printer PWB unit Control PWB LIU PWB Control PWB Control PWB Printer PWB Printer PWB Printer PWB Fig.
  • Page 65 FO-4400U FO-CS1 Parts list (Fig. 5) Operation panel unit, Upper cover unit Part name Q’ty Main unit Screw (3 10) Screw (3 6) Operation panel unit Screw (3 8) Upper cover unit Fig. 5 3 – 13...
  • Page 66 FO-4400U FO-CS1 Parts list (Fig. 6) Front left frame, Paper feed tray Part name Q’ty Part name Q’ty Main unit 11 Screw (3 6) Screw (3 6) 12 Paper feed tray unit Screw (3 10) 13 Screw (3 10) Screw (3 6) 14 Tray width guide, front Front left frame 15 Screw (3 10)
  • Page 67 FO-4400U FO-CS1 Parts list (Fig. 7) Rear left frame, Bottom left frame Part name Q’ty Main unit Screw (3 6) Rear left frame Screw (3 6) Bottom left frame Fig. 7 Parts list (Fig. 8) Inner left cabinet unit Part name Q’ty Main unit Screw (3 8)
  • Page 68 FO-4400U FO-CS1 Parts list (Fig. 9) Power supply PWB Part name Q’ty Main unit Screw (3 6) Connector Power supply PWB unit Screw (3 6) Screw (4 6) Power supply PWB plate Power supply PWB Fig. 9 3 – 16...
  • Page 69 FO-4400U FO-CS1 Parts list (Fig. 10) Scanner frame unit (1/2) Part name Q’ty Scanner frame unit Screw (3 8) Operation panel unit Screw (3 10) Screw (3 10) Document guide upper Stopper Left upper cabinet Fig. 10 3 – 17...
  • Page 70 FO-4400U FO-CS1 Scanner frame unit (2/2) Parts list (Fig. 11) Part name Q’ty Part name Q’ty Part name Q’ty Scanner frame unit Scanner feed shaft 2 Screw (3 6) Transfer bearing Screw (3 10) Screw (3 10) Feed gear (49z) Stopper spring SD2 earth spring DR bearing...
  • Page 71 FO-4400U FO-CS1 Document guide upper unit, Operation panel unit Parts list (Fig. 12) Part name Q’ty Part name Q’ty Part name Q’ty Operation panel unit Separate gum Screw (2 8) Screw (3 10) Separate sheet Switch cover plate Document guide upper unit Transfer plate piece Panel cable Release lever...
  • Page 72 FO-4400U FO-CS1 Upper cover Parts list (Fig. 13) Part name Q’ty Part name Q’ty Screw (3 10) 13 Upper cover gear Screw (3 8) plate spring Upper cover lock spring 14 Drum cartridge press spring Upper cover lock nail 15 Paper exit guide, under Drum cartridge detect 16 Paper exit guide, upper lever spring...
  • Page 73 FO-4400U FO-CS1 Parts list (Fig. 14) Wire treatment Part name Q’ty Band (100mm) Core (F2125) Core (F2124) Band Screw (3x10) Sensor cable Panel cable Control PWB CIS cable Motor cable CNPW Speaker cable CN15 cable CN12 Panel cable 2 times Printer PWB Control PWB CN14...
  • Page 74 FO-4400U FO-CS1 High voltage PWB unit (HV1) 1. Remove the Cooling Fan Motor.(2 screws) 2. Remove the 2 covers. (9 screws) 3. Remove the 2 connectors. 4. Remove the High Voltage PWB.(2 screws) High voltage PWB(HV1) Cooling Fan Motor 1. Remove the Paper Take-up Sensor (PS1). (1 connector) Fig.
  • Page 75 FO-4400U FO-CS1 Main motor (M1) 1. Remove the gear plate.(4 screws) 2. Remove 2 gears. 3. Remove the left side plate. (4 screws and 1 connector) 5. Remove the cartridge positioning plate. (Tabs at 4 places) 6. Remove the Main Motor Unit (M1). (4 screws) Fig.
  • Page 76 FO-4400U FO-CS1 Paper take-up roller 1. Place the printer with its backside down. 2. Unhook the spring and remove the right-hand side of the Paper Take-up Roller shaft from its bushing. 3. Remove the Paper Take-up Roller. Fig. 17 Print head unit (PH) 1.
  • Page 77 FO-4400U FO-CS1 Fusing unit (1/2) 1. Remove the Fusing unit. (3 screws, 3 connectors) NOTE: • The Fusing Unit is to be replaced as a unit at about every 50,000 printed pages. *: Use the following procedure when a part comprising the Fusing Unit is to be replaced individually to correct an image problem or the defective part.

  • Page 78: Heater Lamp

    FO-4400U FO-CS1 Fusing unit (2/2) 8. Remove the lamp holder. (2 screws) 9. Pull out the Heater Lamp (H1). NOTE: • Use care not to touch the lamp surface with bare hands. • Position the voltage mark on the gear side when rein- stalling the lamp.
  • Page 79 FO-4400U FO-CS1 Parts list (Fig. 22) Paper cassette (FO-CS1) Part name Q’ty Paper cassette ass’y Screw (3 10) Screw (3 10) Screw (3 6) Screw (3 12) Bottom plate Fig. 22 3 – 27...
  • Page 80 FO-4400U FO-CS1 Parts list (Fig. 23) Cassette case unit, Part name Q’ty Option cassette PWB unit (FO-CS1) Cassette cabinet unit Cassette case unit Paper sensor lever Sensor guide plate Connector Screw (3 10) Cassette PWB unit Hook Fig. 23 3 – 28...
  • Page 81 FO-4400U FO-CS1 Parts list (Fig. 24) Drive system unit (FO-CS1) Part name Q’ty Cassette cabinet unit Screw (3 8) Screw (3 10) Screw (3 10) Front support bracket Screw (3 10) Clutch spring Paper feed clutch gear PU roller bearing PU roller unit/Cassette up roller shaft Drive roller Drive roller bearing...
  • Page 82 FO-4400U FO-CS1 Parts list (Fig. 25) Cassette cabinet (FO-CS1) Part name Q’ty Cassette cabinet unit Screw (3 10) Cassette paper guide Idler gear Earth spring Lever joint 1 Pinch roller Pinch roller shaft Pinch roller spring Release lever spring Lever joint 2 Release lever/Gear plate Release shaft Cassette cabinet...
  • Page 83 FO-4400U FO-CS1 Cassette case (1/2) (FO-CS1) Parts list (Fig. 26) Part name Q’ty Cassette case unit Screw (3 10) Cassette push up plate holder Screw (3 10) Cassette back guide plate Cassette back guide Cassette push up plate Cassette push up plate spring Screw (Special) Slide roller Screw (3x10)
  • Page 84 FO-4400U FO-CS1 Cassette case (2/2) (FO-CS1) Parts list (Fig. 27) Part name Q’ty Cassette case unit Screw (3 10) Cassette width guide/separate nail, front Screw (3 10) Cassette width guide/separate nail, rear Fig. 27 3 – 32...

  • Page 85: How To Install The Verification Stamp (Fo-45Vs)

    FO-4400U FO-CS1 [4] How to install the verification stamp (FO-45VS) 1. Open the operation panel unit. 2. Remove the screw (A1) x 1 pc. and open the operation panel more widely. Operation panel unit Open Screw (A1) x 1 Document guide stopper 3.

  • Page 86: Frame Unit

    FO-4400U FO-CS1 6. Wire treatment Stamp cable must be passed through six ribs as shown in fig.1. Connect the stamp cable to CNSTP (2 pin) of con- trol PWB Document sensor Front sensor cable:White cable: Red Transfer sensor Scanner Not used cable:Yellow frame unit Sensor cable...

  • Page 87: Chapter 4. Diagrams

    FO-4400U FO-CS1 CHAPTER 4. DIAGRAMS [1] Block diagram 4 – 1...

  • Page 88: Wiring Diagram

    FO-4400U FO-CS1 [2] Wiring diagram 4 – 2...

  • Page 89: Point-To-Point Diagram And Connector Signal Name

    FO-4400U FO-CS1 [3] Point- to-point diagram and connector signal name (1) 4 – 3...
  • Page 90 FO-4400U FO-CS1 Point- to-point diagram and connector signal name (2) 4 – 4...

  • Page 91: Chapter 5. Circuit Description

    FO-4400U FO-CS1 CHAPTER 5. CIRCUIT DESCRIPTION 2. Description of each block (1) Main control block [1] Circuit description This block consists of 32 bit RISC microcomputer HD6417706F133 (main component), flash ROM, 64 Mbit SDRAM, Main ASIC, Sub ASIC, etc. Each device is controlled either by the microcomputer directly or via 1.
  • Page 92 FO-4400U FO-CS1 CACHE BRIDGE H-UDI SCIF INTC DMAC CPG/WDT I/O PORT EXTERNAL BUS INTERFACE Legend: DMAC: Direct memory access controller ADC: A/D converter H-UDI: Hitachi user-debugging interface AUD: Advanced user debugger INTC: Interrupt controller BSC: Bus state controller MMU: Memory management unit CACHE: Cache memory RTC:...
  • Page 93 FO-4400U FO-CS1 HD6417706F133 (IC24) Terminal description (1/2) Name Function Name Function — Vcc-RTC* RTC power supply (1.9 V) Address bus XTAL2 On-chip RTC crystal oscillator pin Address bus EXTAL2 On-chip RTC crystal oscillator pin Address bus — Vss-RTC* RTC power supply (0 V) Address bus D31/PTB[7] Data bus/input/output port B...
  • Page 94 FO-4400U FO-CS1 HD6417706F133 (IC24) Terminal description (2/2) Name Function Name Function I/I/O IOIS16-/PTD[5] IOIS16(PCMCIA)/input port D — VccQ Input/output power supply (3.3 V) BACK- Bus acknowledge TxD0/SCPT[0] SCI transmit data 0/SC port BREQ- Bus request SCK0/SCPT[1] SCI clock 0/SC port WAIT- Hardware wait request TxD2/SCPT[2]...
  • Page 95 FO-4400U FO-CS1 4) LC272D0BT-WA6 (IC6): pin-216, QFP (MAIN ASIC) CIS control and image processing The block has the following functions. That is control the CIS and A/ The device is the embed-array, which has the following functions. D converts the scanning image data from analogue to digital, and CPU interface executes the converted image data processing.
  • Page 96 FO-4400U FO-CS1 LC272D0BT-WA6 (IC6) Terminal description (1/2) Name Function Name Function Ground Ground Data bus XNICACK Acknowledge signal for NIC Data bus XNICINT Interrupt request from NIC board Data bus XNICCS Chip select (NIC Board) Data bus XJBG1 Reserved Data bus XJBG0 Reserved Data bus...
  • Page 97 FO-4400U FO-CS1 LC272D0BT-WA6 (IC6) Terminal description (2/2) Name Function Name Function Ground Ground TEST0 Test pin 0 TXAI1 Current control 1 (Phase A) TEST1 Test pin 1 TXAI0 Current contorl 0 (Phase A) XINSC Image block Clock in CRNT0 Current change signal 0 XOUTSC Image block Clock out CRNT1...
  • Page 98 FO-4400U FO-CS1 5) LC24199B-WJ0-E (IC21): pin-216, QFP (SUB ASIC) RTC (Real Time Clock) LSI control Using serial communication to RTC, the device set and read the time. The device is the gate-array, which has the following functions. Verification stamp control PCU (Print Control Unit) interface The software control on/off of the verification stamp.
  • Page 99 FO-4400U FO-CS1 LC24199B-WJ0-E (IC21) Terminal description (1/2) Name Function Name Function Ground Ground — — Not connect Not connect XCI1 CI detect signal DPOPCL10 GPO bus for PCL board ERLY0 Reserved for 200V DPOPCL11 GPO bus for PCL board GAINC0 Reserved for 200V DPOPCL12 GPO bus for PCL board...
  • Page 100 FO-4400U FO-CS1 LC24199B-WJ0-E (IC21) Terminal description (2/2) Name Function Name Function Ground Ground SDDCT SD DICT in Address bus DPANIC0 Address bus for NIC board Address bus DPANIC1 Address bus for NIC board Address bus DPANIC2 Address bus for NIC board Address bus DPANIC3 Address bus for NIC board...
  • Page 101 FO-4400U FO-CS1 (2) Backup memory block (3) Modem block This block consists of flash memory for the image memory and 256 Kbit The block is mainly composed of the G3 FAX modem FM336PLus (IC30), SRAM backed up with a battery. and is provided with the following modem function.
  • Page 102 FO-4400U FO-CS1 3) Configurations, Signaling Rates, and Data Rates Carrier Frequency Data Rate (bps) Symbol Rate Bits/Symbol- Bits/Symbol- Constellation Configuration Modulation (Hz) 0.01 % 0.01 % (Symbols/Sec.) Data Points V.90 PCM — 56000 R/V.34 rates T 8000 Dynamic — — (Note 4) V.
  • Page 103 FO-4400U FO-CS1 FM336Plus (IC30) Terminal description Name Interface Name Interface — RESERVED — RESERVED HOST Interface VSUB — HOST Interface — HOST Interface — OHOST Interface — HOST Interface SLEEP Modem Interconnect HOST Interface VDD1 — /RDCLK DTE Serial Interface —...
  • Page 104 FO-4400U FO-CS1 (4) Scanner control block (5) Speaker amplifier The speaker amplifier monitors the line under the on-hook mode, out- 1) Image signal process block puts the buzzer sound generated by SUB ASIC, ringer sound, DTMF The CIS is driven by MAIN ASIC (IC6), and the output video signal from generated from the modem, and line sound.

  • Page 105: Circuit Description Of Cis Unit

    FO-4400U FO-CS1 LB1845 (IC3) Terminal description Pin name Pin No. Pin Description 1, 14 Output stage power-supply voltage SENSE1 Set current detection pins. SENSE2 Connect these pins, fed back through noise filters, to E1, and E2. Current control pins by connecting between this pin and GND. DGND 4,11 Internal diode anode connection...

  • Page 106: Circuit Description Of Liu Pwb

    FO-4400U FO-CS1 [4] Circuit description of LIU PWB (1) LIU block operational description 1) Block diagram CONTROL TXA2 TXOUT TXOUT SURGE DIODE ACTIVE PROTECTION TXA1 LINE BRIDGE CHOKE CIRCUIT MODEM RXIN RXIN (FM336PLUS) DETECTOR EXT.TEL DETECTOR VREF SPKR CML0 CML0 CML0 XEXHS0 XEXHS0...
  • Page 107 FO-4400U FO-CS1 [SIgnals for status recognition according to input signals] 4. CML relay The CML relay switches over connection to the matching transformer Signal Name Function T1 while the FAX is being used. XCI0 Incoming call (CI) detection signal 5. Matching transformer The matching transformer performs electrical insulation from the tel- H: The handset or external telephone is in the ephone line and impedance matching for transmitting the FAX signal.

  • Page 108: Circuit Description Of Operation Panel Pwb

    FO-4400U FO-CS1 [5] Circuit description of operation panel PWB 1. Operational description 1) Operation panel PWB The operation panel PWB includes the ten key scan circuit and the LED lighting circuit.The LS145 is controlled through LD0~LD3 (4 bits) and ten key detection is performed. The HC174 is controlled through LD0~LD5 (6 bits) to provide LED lighting information.

  • Page 109: Circuit Description Of Power Supply Pwb

    FO-4400U FO-CS1 [6] Circuit description of power supply PWB This unit supply input AC 120 V/60 Hz, +24 V, +5 V as block diagram shows. (See Fig. 11) T701 F702 4A/125V AC-L F703 4A/125V NOISE CIRCUIT/ SWITCHING +24 V +24 V CIRCUIT RECTIFICATION AND CIRCUIT SMOOTHING CIRCUIT...

  • Page 110: Chapter 6. Circuit Schematics And Parts Layout

    FO-4400U FO-CS1 CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT [1] Main Control PWB circuit C274 C275 C219 CPU block +3.3VSHA C276 C218 R303 C277 C217 +1.9VD C242 C235 4.7K AUDATA0 (11-5E) AUDATA1 N.M. N.M. (11-5E) AUDATA2 (11-5E) SHADG R299 AUDATA3 (11-5E) /AUDSYNC (11-5E)
  • Page 111 FO-4400U FO-CS1 IC24 1/12 A[25:0] MAIN CPU ( 2-1A)( 3-1A)( 4-6A)( 5-4A) ( 7-5C)(11-6A)(12-2E) R303 R451 XTAL2 R452 1.9VD EXTAL2 D[31:0] 4.7K ( 2-2A)( 3-2A)( 4-6A)( 5-4A) AUDATA[0]/PTF[0] ( 7-4C)(11-6A)(12-4D)(12-2D) BR34 AUDATA[1]/PTF[1] 33 x4 AUDATA[2]/PTF[2] AUDATA[3]/PTF[3] AUDSYNC/PTF[4] R335 BR35 TDO/PTF[5] R336 33 x4 ASEBRKAK/PTF[6]...
  • Page 112 FO-4400U FO-CS1 Main ASIC block A[25:0] ( 1-6H)( 3-1A) ( 4-6A)( 5-4A) ( 7-5C)(11-6A) (12-2F) TEST0 TEST1 TOUT PLTSW BKLON TP19 LD15 TP20 LD14 TP21 LD13 TP22 LD12 TP23 LD11 TP24 LD10 TP25 TP26 D[31:0] ( 1-6H)( 3-2A) TP17 ( 4-6A)( 5-4A) ( 7-4C)(11-6A) TP27 (12-4D)(12-2D)
  • Page 113 FO-4400U FO-CS1 2/12 CISCLK ( 2-5F) CLK1 R170 L104 ( 9-5D) CISSI ( 9-6D) ( 2-5F) LEDEN2 ( 9-2E) LEDEN1 ( 9-2E) +3.3V R168 ( 9-1A) R167 ( 9-1A) R166 C150 4.7K 0.1u PLTSW ( 9-2A) BKLON 74HCT244 (TSSOP) ( 6-1G) TP19 TP20 TP21...
  • Page 114 FO-4400U FO-CS1 Sub ASIC block C290 1000p RD/WR ( 1-3H)( 2-3A)( 4-5D)( 7-3B)(11-3A)(12-3A) /SGACS ( 2-5A) (12-1A)(12-5I)(12-5A) CKSPDR ( 1-4C) SHCLK /RESET ( 1-2B)( 2-3A)( 4-4A)( 7-3B)( 8-4H(11-5H) XRESET GPIO7 GPIO6 A[25:0] ( 1-6H)( 2-1A)( 4-6A)( 5-4A) GPIO5 TP105 GPIO4 ( 7-5C)(11-6A)(12-2F) (PWSAVE) R325...
  • Page 115 FO-4400U FO-CS1 3/12 VBAT +3.3V /PGMWP ( 4-4A) VPPON ( 4-5A) CISLEDON R413 C293 ( 6-2G) R414 TP105 IC22 N.M. (PWSAVE) R326 DATA 32.768KHz C292 VBAT R325 VBAT +3.3V C291 INTN 0.1u R416 R415 SM8578BV 4.7K N.M. RTCDT RTCCK RTCCE +3.3V /MDMRST1 (12-3I)
  • Page 116 FO-4400U FO-CS1 R244 0.1u C601 6 – 7...
  • Page 117 FO-4400U FO-CS1 6 – 8...
  • Page 118 FO-4400U FO-CS1 SR104 SR104 SR104 SR104 T.B.D. T.B.D. T.B.D. T.B.D. T.B.D. T.B.D. T.B.D. T.B.D. CNPW 6 – 9...
  • Page 119 FO-4400U FO-CS1 C168 C166 C193 C169 C167 C192 C194 6 – 10...
  • Page 120 FO-4400U FO-CS1 CNLCD 6 – 11...
  • Page 121 FO-4400U FO-CS1 4.7K R531 3.3K R533 3.3K R535 2.2K R537 R614 3.3K R532 R534 3.3K 3.3K R536 N.M. C107 C109 C120 C152 C153 C154 C155 C156 C157 C121 CNCIS CNLIU N.M. C108 C110 C111 2200p C112 2200p 2200p C113 C114 2200p 2200p C115...
  • Page 122 FO-4400U FO-CS1 CNPCL2 C261 C260 C259 6 – 13...
  • Page 123 FO-4400U FO-CS1 CNRS 6 – 14...
  • Page 124 FO-4400U FO-CS1 C351 C380 C381 C350 100p C372 N.M. C340 C338 C336 C334 C371 C304 N.M. C373 C370 C335 C337 C339 C341 6 – 15...
  • Page 125 FO-4400U FO-CS1 Control PWB parts layout (Top side) 6 – 16...
  • Page 126 FO-4400U FO-CS1 Control PWB parts layout (Bottom side) 6 – 17...
  • Page 127 FO-4400U FO-CS1 6 – 18...
  • Page 128 FO-4400U FO-CS1 LIU PWB parts layout (Top side) 6 – 19...
  • Page 129 FO-4400U FO-CS1 LIU PWB parts layout (Bottom side) 6 – 20...
  • Page 130 FO-4400U FO-CS1 4.7k R139 R127 4.7k 4.7k R131 R138 4.7k R142 R143 R141 1000p C148 C147 1000p 1000p C145 C134 1000p 1000p C133 1000p C135 C111 1000p C149 1000p C151 1000p C152 1000p 6 – 21...
  • Page 131 FO-4400U FO-CS1 6 – 22...
  • Page 132 FO-4400U FO-CS1 Printer PWB parts layout (Top side) 6 – 23...
  • Page 133 FO-4400U FO-CS1 Printer PWB parts layout (Bottom side) 6 – 24...
  • Page 134 FO-4400U FO-CS1 6 – 25...
  • Page 135 FO-4400U FO-CS1 Power Supply PWB parts layout The Power supply PWB of this model employs lead-free solder. 6 – 26...
  • Page 136 FO-4400U FO-CS1 6 – 27...
  • Page 137 FO-4400U FO-CS1 CNLED 6 – 28...
  • Page 138 FO-4400U FO-CS1 GL3EG44 LED12 GL3EG44 LED10 GL3EG44 LED9 GL3EG44 LED8 N.M. LED7 N.M. LED6 LED5 GL3EG44 LED4 N.M. LED3 GL3HD43 LED2 GL3HD43 LED1 CNLED 6 – 29...
  • Page 139 FO-4400U FO-CS1 Operation panel PWB parts layout DESCRIPTION PARTS CODE Note: Since the parts of this PWB cannot be supplied, Panel PWB unit DCEKP425CXHP1 change it as a unit. Joint PWB unit DCEKP425CHXL1 LED PWB unit DCEKP425CXHI1 6 – 30...
  • Page 140 FO-4400U FO-CS1 6 – 31...
  • Page 141 FO-4400U FO-CS1 6 – 32...
  • Page 142 FO-4400U FO-CS1 2nd paper cassette PWB parts layout (Top side) (FO-CS1) 2nd paper cassette PWB parts layout (Bottom side) (FO-CS1) 6 – 33...
  • Page 143 FO-4400U FO-CS1 M E M O 6 – 34...

  • Page 144: Chapter 7. Operation Flowchart

    FO-4400U FO-CS1 CHAPTER 7. OPERATION FLOWCHART [1] G3 Protocol Receive side Transmitter side G3 communication (Document inserted into document sensor during stand by) To recording position Document inserted to the reading position (DCS) (DCS) 1st page Next page insert command Recording paper ejected Document ejected 7 –...

  • Page 145: Super G3 Protocol

    FO-4400U FO-CS1 [2] Super G3 Protocol Receive Side Transmitter Side ANSam ANSam Phase1(Full Duplex Mode) Phase2(Full Duplex Mode) Phase2 Phase2 Phase2 Phase2 Phase3(Half Duplex Mode) Phase3 Phase3 Phase4(Full Duplex Mode) Phase4 Phase4 Phase4 Phase4 FLAG FLAG FLAG Control Channel(Full Duplex Mode) FLAG FLAG NSS(DCS)

  • Page 146: Power On Sequence

    FO-4400U FO-CS1 [3] Power On Sequence START CPU initialized Dual Port RAM check Power on memory clear? ROM check No “MEMORY CLEAR” display “1” Key “2” Key “COPY” Key PROCESS CHECK “3” Key Entry data clear Image data clear Option board ERROR MESSAGE error check Error...

  • Page 147: Chapter 8. Others [1] Service Tools

    FO-4400U FO-CS1 CHAPTER 8. OTHERS STAMP [1] Service Tools CABLE PANEL 1.CONNECTION CABLE CABLE MOTOR SENSOR CABLE CABLE CNPN1A PRINTER CNPRT2B CNPN1B EXTENSION CNPRT2A PWB 2 SPEAKER POWER CABLE LIU CABLE SUPPLY CABLE PANEL PRINTER PWB EXTENSION PWB 1 CNTXM1 CNCIS1 CNSTP1 OPTION...

  • Page 148: Rewriting Version Up The Flash Rom

    FO-4400U FO-CS1 [2] Rewriting version up the FLASH ROM 1. Outline FO-4400 is connected with PC in a serial cable, and Firmware of FO-4400 is downloaded. 2. Preparation PC side: (1) Communication software (Tera Term Pro Version 2.3 (free software)) is installed. It distributes separately.

  • Page 149: Control Pwb

    FO-4400U FO-CS1 RS232C Cable(9PIN) Straight connect CNRS1(5PIN) RS Cable Jig QCNWG365BXHZZ (3PIN) Screw ROM Cover Control PWB Fig. 5 Connected cable PART CORD PRICE RANK NAME REMARKS QCNWG365BXHZZ RS cable JIG (3PIN) Connects RS-232C cable and CNRS1(Control PWB) 8 – 3...
  • Page 150 FO-4400U FO-CS1 3. Operating Procedure FO-4400 (1) Turn on the power, pushing “START”+“STOP”. MEMORY CLEAR 1=ALL, 2=IMAGE, 3=NO (2) Push “MENU”. Flash Loader (3) Start Tera Term Pro. (4) [File]-[Send File] is chosen. (Fig.5) (5) [Option] Binary is checked. (Fig.6) Double-click the file to download.

  • Page 151: Parts Guide

    FO-4400U FO-CS1 PARTS GUIDE FO-4400 MODEL FO-CS1 MODEL MODEL SELECTION CODE DESTINATION FO-4400 U.S.A./Canada CONTENTS Exterior, etc. (1) 2nd paper cassette (2) (FO-CS1) Exterior, etc. (2) Packing material & Accessories, 2nd paper cassette (FO-CS1) Exterior, etc. (3) Control PWB unit Operation panel unit LIU PWB unit Document guide upper unit...
  • Page 152 FO-4400U FO-CS1 [1] Exterior etc.(1) *a: FLOIL Upper cover unit PARTS PRICE CODE RANK UKOG-0238FCZZ Operation panel unit LCD panel unit Printer unit – 1 –...
  • Page 153 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [1] Exterior etc.(1) CCNW-4955XH02 Speaker ass’y GCABE2411XHSA Left upper cabinet NGERH2466XHZZ Idler gear(32Z) NROLP2420XHZZ Left cabinet roller QSW-M2324XHZZ Paper out sensor TLABP394EXHZZ Supply guide label 1 TLABP395EXHZZ Supply guide label 2 QCNW-4953XHZZ CIS cable LPLTM3267XHZZ...
  • Page 154 FO-4400U FO-CS1 [2] Exterior etc.(2) *a: FLOIL PARTS PRICE CODE RANK UKOG-0238FCZZ [3] Exterior etc.(3) LCD panel unit *a: FLOIL PARTS PRICE CODE RANK UKOG-0238FCZZ Document guide Operation upper unit panel unit Scanner frame unit – 3 –...
  • Page 155 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [2] Exterior etc.(2) CROLP2320XH01 Pinch roller ass’y GCOVA2460XHSA Upper cover JBTN-2376XHSA Upper cover lock button LPLTM3228XHZZ Upper cover stopper LPLTM3229XHZZ Upper cover gear plate MLEVP2374XHZZ Drum cartridge detect lever MLEVP2376XHZZ Shutter lever MSPRC3149XHZZ Hopper spring...
  • Page 156 FO-4400U FO-CS1 [4] Operation panel unit 26 24 [5] Document guide upper unit – 5 –...
  • Page 157 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [4] Operation panel unit GCABA2406XHBA LCD case,upper GCABB2408XHSA LCD case,under PCUSS2184XHZZ LCD cushion QCNWN294BXHZZ COG FCC cable QCNWN295BXHZZ LED FCC cable VVLLMG2025TPR DCEKP425CXHP1 Operation panel PWB unit QSW-K0005AWZZ Tact switch [SW] QSW-Z2326SCZZ Paper plate switch...
  • Page 158 FO-4400U FO-CS1 [6] Scanner frame unit *a: FLOIL PARTS PRICE CODE RANK UKOG-0238FCZZ (FO-45VS) [7] Frames – 7 –...
  • Page 159 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [6] Scanner frame unit CBSHP2079XH02 Scanner feed clutch LBSHP2113XHZZ DR bearing LFRM-2201XHZZ Scanner frame LPLTM3012XHZZ Scanner support plate MSPRC3138XHZZ CIS spring MSPRD3086XHZZ Pinch roller spring MSPRP2841XHZZ Stopper spring MSPRP3088XHZZ SD2 earth spring MSPRP3087XHZZ FD1 earth spring NBRGP2128XHZA...
  • Page 160 FO-4400U FO-CS1 [8] Paper transport section PWB-G [9] Fusing unit *c: GREASE PARTS PRICE CODE RANK UKOG-0235FCZZ – 9 –...
  • Page 161 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [8] Paper transport section 0KW4127301902 Tension spring 0KW4127302601 0KW4127300701 0KW4127300201 Roller 0KW4127011301 Toner empty PWB unit [PWB-G] 0KW4127300101 Roller 0KW4127300802 0KW4127301401 Gear(14T) 0KW4127301001 Gear(32T) 0KW4127680501 Wire harness ass’y 0KW9321200032 Paper take up solenoid [SL1] 0KW4127350116 Guide...
  • Page 162 FO-4400U FO-CS1 [10] Drive/Transfer unit 29 30 37 38 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [10] Drive/Transfer unit 0KW4127201302 Torsion spring 0KW4109630501 Interlock switch [S2] 0KW4127048301 I/C guide assy 0KW4127030601 Drive gear assy 0KW9314210012 Main motor [M1] 0KW4127630201 Paper take up sensor switch [PS1] 0KW4127300601...
  • Page 163 FO-4400U FO-CS1 [11] Packing material & Accessories(FO-4400) Scanner frame FILAMENT FILAMENT TAPE(270mm) TAPE(100mm) This Hole must be upper side. FILAMENT (There are kind of 3 type's hole) TAPE(100mm) Please note that it is possible to Fold down set either front or reverse side if FILAMENT a hole is upper side.
  • Page 164 FO-4400U FO-CS1 [12] 2nd paper cassette(1)(FO-CS1) – 13 –...
  • Page 165 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [12] 2nd paper cassette(1)(FO-CS1) GCASP2164XHSA Cassette case LHLDW2238XHZZ Lock down holder LPLTM3237XHZZ Cassette push up plate LPLTP3230XHZZ Cassette push up plate holder LPLTP3231XHZZ Cassette back guide LPLTP3232XHZZ Cassette back guide plate LPLTP3233XHZZ Cassette back rock guide,front LPLTP3234XHZZ...
  • Page 166 FO-4400U FO-CS1 [13] 2nd paper cassette(2)(FO-CS1) 18 18 16 29 – 15 –...
  • Page 167 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [13] 2nd paper cassette(2)(FO-CS1) GCABG2412XHSA Cassette cabinet LPLTP3023XHZZ Lever joint 1 LPLTP3044XHZZ Lever joint 2 MLEVP2309XHZZ Release lever MSPRC3095XHZZ Pinch roller spring MSPRD3093XHZZ Release lever spring NROLP2334XHZA Pinch roller NSFTZ2309XHZZ Pinch roller shaft NSFTZ2312XHZZ Release shaft...
  • Page 168 FO-4400U FO-CS1 [14] Packing material & Accessories,2nd paper cassette(FO-CS1) TAPE TAPE TAPE TAPE TAPE TAPE TAPE TAPE (100mm) TAPE (180mm) PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [14] Packing material & Accessories,2nd paper cassette(FO-CS1) TINSE4296XHTZ Operation manual SPAKA497DXHZZ Protection sleeve SPAKA498DXHZZ Plate protection LHLDW2182SCZZ...
  • Page 169 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [15] Control PWB unit UBATL2071XHZZ Battery(CR2450) [BAT1] RR-TZ3016SCZZ Block resistor(33 x4) [BR14] RR-TZ3016SCZZ Block resistor(33 x4) [BR15] RR-TZ3016SCZZ Block resistor(33 x4) [BR18] RR-TZ3016SCZZ Block resistor(33 x4) [BR19] RR-TZ3016SCZZ Block resistor(33 x4) [BR22] RR-TZ3016SCZZ Block resistor(33 x4)
  • Page 170 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [15] Control PWB unit VCKYCY1EF104Z Capacitor(25WV 0.1 F) [C187] VCKYCY1EF104Z Capacitor(25WV 0.1 F) [C188] VCKYCY1EF104Z Capacitor(25WV 0.1 F) [C189] VCKYCY1EF104Z Capacitor(25WV 0.1 F) [C190] VCKYCY1HB102K Capacitor(50WV 1000PF) [C191] VCKYCY1EF104Z Capacitor(25WV 0.1 F) [C199] VCKYCY1EF104Z Capacitor(25WV 0.1 F)
  • Page 171 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [15] Control PWB unit VCKYCY1HB222K Capacitor(50WV 2200PF) [C360] VCKYCY1HB222K Capacitor(50WV 2200PF) [C361] VCKYCY1EF104Z Capacitor(25WV 0.1 F) [C362] VCKYCY1EF104Z Capacitor(25WV 0.1 F) [C363] VCKYCY1EF104Z Capacitor(25WV 0.1 F) [C364] VCKYCY1EF104Z Capacitor(25WV 0.1 F) [C365] VCKYCY1CB104K Capacitor(16WV 0.1 F)
  • Page 172 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [15] Control PWB unit VHVICPS05//-1 IC protector(ICP-S0.5) [F1] VHVICPS10//-1 IC protector(ICP-S1.0) [F2] VRS-TP2BD000J Resistor(1/8W 0 [F3] VRS-TP2BD000J Resistor(1/8W 0 [F4] VHVICPS10//-1 IC protector(ICP-S1.0) [F5] VHVICPS10//-1 IC protector(ICP-S1.0) [F100] VHVICPS18//-1 IC protector(ICP-S1.8) [F101] RH-IX2304XHZZ IC(AD8051A)
  • Page 173 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [15] Control PWB unit VRS-CY1JB000J Resistor(1/16W 0 [R103] VRS-CY1JB000J Resistor(1/16W 0 [R104] VRS-CY1JB000J Resistor(1/16W 0 [R105] VRS-CY1JB000J Resistor(1/16W 0 [R106] VRS-CY1JB000J Resistor(1/16W 0 [R107] VRS-CY1JB471J Resistor(1/16W 470 [R108] VRS-CY1JB000J Resistor(1/16W 0 [R109] VRS-CY1JB302J Resistor(1/16W 3K...
  • Page 174 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [15] Control PWB unit VRS-CY1JB332J Resistor(1/16W 3.3K [R220] VRS-CY1JB330J Resistor(1/16W 33 [R221] VRS-CY1JB330J Resistor(1/16W 33 [R223] VRS-CY1JB330J Resistor(1/16W 33 [R224] VRS-CY1JB271J Resistor(1/16W 270 [R225] VRS-CY1JB271J Resistor(1/16W 270 [R226] VRS-CY1JB271J Resistor(1/16W 270 [R227] VRS-CY1JB271J Resistor(1/16W 270...
  • Page 175 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [15] Control PWB unit VRS-CY1JB330J Resistor(1/16W 33 [R339] VRS-CY1JB330J Resistor(1/16W 33 [R340] VRS-CY1JB330J Resistor(1/16W 33 [R341] VRS-CY1JB103J Resistor(1/16W 10K [R342] VRS-CY1JB472J Resistor(1/16W 4.7K [R343] VRS-CY1JB330J Resistor(1/16W 33 [R344] VRS-CY1JB330J Resistor(1/16W 33 [R345] VRS-CY1JB330J Resistor(1/16W 33...
  • Page 176 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [15] Control PWB unit VRS-CY1JB102J Resistor(1/16W 1K [R470] VRS-CY1JB102J Resistor(1/16W 1K [R471] VRS-CY1JB103J Resistor(1/16W 10K [R484] VRS-CY1JB000J Resistor(1/16W 0 [R487] VRS-CY1JB000J Resistor(1/16W 0 [R488] VRS-CY1JB000J Resistor(1/16W 0 [R489] VRS-CY1JB103J Resistor(1/16W 10K [R490] VRS-CY1JB000J Resistor(1/16W 0...
  • Page 177 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [15] Control PWB unit RCRSP2194XHZZ Crystal(28.2240MHz) [X5] RH-EX2319XHZZ Zener diode(02DZ6.8-Y) [ZD1] (Unit) DCEKC982RXHZZ Control PWB unit(Within ROM) [16] LIU PWB unit VHVRA391PV6-1 Varistor(RA-391P-V6-2) [AR1] VHVRA501PC6-1 Varistor(RA501P-C6) [AR2] VHVRA501PC6-1 Varistor(RA501P-C6) [AR3] QTANZ2042SCZZ Earth terminal [ARG]...
  • Page 178 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [17] Printer PWB unit VCKYCY1HB102K Capacitor(50WV 1000PF) [C112] VCKYCY1HB103K Capacitor(50WV 0.01 F) [C113] VCKYCY1HB102K Capacitor(50WV 1000PF) [C115] VCKYCY1EB683K Capacitor(25WV 0.068 F) [C116] VCKYCY1HB103K Capacitor(50WV 0.01 F) [C119] VCKYCY1HB103K Capacitor(50WV 0.01 F) [C120] VCKYCY1HB102K Capacitor(50WV 1000PF)
  • Page 179 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [17] Printer PWB unit VRS-CY1JB472J Resistor(1/16W 4.7K [R127] VRS-CY1JB103J Resistor(1/16W 10K [R128] VRS-CY1JB000J Resistor(1/16W 0 [R129] VRS-CY1JB222J Resistor(1/16W 2.2K [R130] VRS-CY1JB472J Resistor(1/16W 4.7K [R131] VRS-CY1JB472J Resistor(1/16W 4.7K [R133] VRS-CY1JB000J Resistor(1/16W 0 [R134] VRS-CY1JB330J Resistor(1/16W 33...
  • Page 180 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [18] Power supply PWB unit 0AV3050086000 Diode(1SS270ATD) [D722] 0AV3050086000 Diode(1SS270ATD) [D723] 0AV3070136000 Zener diode(RD16ESAB2) [D724] 0AV5060096000 Fuse(8A/125V) [F701] 0AV5060097000 Fuse(4A/125V) [F702] 0AV5060067000 Fuse(4A/125V) [F703] 0AV5060067000 Fuse(4A/125V) [F704] 0AV5060097000 Fuse(4A/125V) [F705] 0AV5070000016 Fuse(2A/250V) [F706]...
  • Page 181 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [18] Power supply PWB unit 0AV5110011000 Jumper wire(17.5mm) [RJ704] 0AV5110012000 Jumper wire(6mm) [RJ705] 0AV5110001000 Jumper wire(10mm) [RJ706] 0AV5110001000 Jumper wire(10mm) [RJ707] 0AV5110001000 Jumper wire(10mm) [RJ708] 0AV5110003000 Jumper wire(7.5mm) [RJ709] 0AV5110004000 Jumper wire(20mm) [RJ710] 0AV5110018000...
  • Page 182 FO-4400U FO-CS1 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [24] 2nd paper cassette PWB unit(FO-CS1) QCNCM2401SC0B Connector(2pin) [CN12] QCNCM2661XH0C Connector(3pin) [CN13] QCNCM2660XHZZ Connector(2pin) [CN13A] VHD1SR139-400 Diode(1SR139) [D1] VHD1SR139-400 Diode(1SR139) [D2] VHDDSS133//-1 Diode(1SS133) [D3] VHDSR104///-1 Diode(SR104) [D4] VHDSR104///-1 Diode(SR104) [D5] VHDSR104///-1 Diode(SR104) [D6]...
  • Page 183 FO-4400U FO-CS1 I n d e x PRICE PART PRICE PART PRICE PART PARTS CODE PARTS CODE PARTS CODE MARK MARK MARK RANK RANK RANK RANK RANK RANK LPINS2032XHZZ 13-18 NGERH2322XHZZ 6-15 CBSHP2079XH02 LPLTM3011XHZZ NGERH2462XHZZ 6-16 CCABA2406XH01 4-902 LPLTM3012XHZZ NGERH2463XHZZ 6-17 CCASP2163XH51 4-901...
  • Page 184 FO-4400U FO-CS1 PRICE PART PRICE PART PRICE PART PARTS CODE PARTS CODE PARTS CODE MARK MARK MARK RANK RANK RANK RANK RANK RANK PTME-2074XHZZ 12-22 QTANZ2042SCZZ 16-4 SPAKA293EXHZZ 11-17 PTME-2075XHZZ 12-23 SPAKA294EXHZZ 11-18 PTME-2076XHZZ 12-24 RC-EZ3088XHZZ 15-199 SPAKA343EXHZZ 11-19 RC-EZ3097XHZZ 15-197 SPAKA344EXHZZ 11-5...
  • Page 185 FO-4400U FO-CS1 PRICE PART PRICE PART PRICE PART PARTS CODE PARTS CODE PARTS CODE MARK MARK MARK RANK RANK RANK RANK RANK RANK VCEAGA1HW475M 16-8 VCKYCY1EF104Z 15-130 VCKYCY1HB222K 15-51 16-12 15-133 15-107 16-13 15-139 15-115 16-14 15-140 15-118 24-4 15-141 15-119 VCKYCY1AF105Z 15-58...
  • Page 186 FO-4400U FO-CS1 PRICE PART PRICE PART PRICE PART PARTS CODE PARTS CODE PARTS CODE MARK MARK MARK RANK RANK RANK RANK RANK RANK VHIPST596CMT1 15-260 VRS-CY1JB000J 15-497 VRS-CY1JB102J 15-632 VHISM8578BV-1 15-264 15-498 24-47 VHIULN2003ADR 17-54 15-499 VRS-CY1JB103F 17-71 VHIUPC2933T-1 15-276 15-500 VRS-CY1JB103J 15-71...
  • Page 187 FO-4400U FO-CS1 PRICE PART PRICE PART PRICE PART PARTS CODE PARTS CODE PARTS CODE MARK MARK MARK RANK RANK RANK RANK RANK RANK VRS-CY1JB104J 15-609 VRS-CY1JB330J 15-426 VRS-CY1JB472J 17-93 VRS-CY1JB105J 15-344 15-434 17-99 15-360 15-441 17-102 15-421 15-445 17-104 VRS-CY1JB113F 15-371 15-448 17-105...
  • Page 188 FO-4400U FO-CS1 PRICE PART PRICE PART PRICE PART PARTS CODE PARTS CODE PARTS CODE MARK MARK MARK RANK RANK RANK RANK RANK RANK VS2SD592A-S-1 16-30 0AV2014733010 18-85 0AV5110003000 18-133 VS2SJ243///-1 15-284 18-119 18-137 VVLLMG2025TPR 18-122 0AV5110004000 18-127 0AV2016823010 18-124 18-134 XEBSD20P08000 4-B2 0AV2016833010...
  • Page 189 FO-4400U FO-CS1 PRICE PART PRICE PART PRICE PART PARTS CODE PARTS CODE PARTS CODE MARK MARK MARK RANK RANK RANK RANK RANK RANK 0KW4127304102 8-25 0KW4127304203 8-26 0KW4127304801 8-29 0KW4127307101 8-22 0KW4127307201 8-24 0KW4127317401 8-16 0KW4127317501 8-17 0KW4127350116 8-12 0KW4127410302 10-8 0KW4127410401 10-35...
  • Page 190 FO-4400U FO-CS1 © COPYRIGHT 2002 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

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