Oki OKIFAX 5400 Maintenance Manual
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Oki OKIFAX 5400 Maintenance Manual

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Table of Contents

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Download this manual See also: Handbook, Service Manual
OKIFAX 5400
Maintenance Manual
First Edition
Attention
The data of App.C and E are not contained in this manual (PDF).
(The contents of App.C and E are still paper drawings and in the
process of changing into computer data.)
August, 1999
Oki Data Corporation

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Summary of Contents for Oki OKIFAX 5400

  • Page 1 OKIFAX 5400 Maintenance Manual First Edition Attention The data of App.C and E are not contained in this manual (PDF). (The contents of App.C and E are still paper drawings and in the process of changing into computer data.) August, 1999...
  • Page 2 Document Revision History Title: OKIFAX5400 Maintenance Manual Revision Revision Change Item Comments Number Date Author July, '99 ISSUE E3 Iwata 40838301TH Rev.1...
  • Page 3 PREFACE This manual is intended to be used for installing and maintaining OKIFAX 5400 facsimile trans- ceiver. Maintenance of the OKIFAX 5400 is assumed to be conducted at the following levels: • Assembly-level maintenance for mechanical portions • Unit-level maintenance for electrical at portions CAUTION: DANGER OF EXPLOSION IF BATTERY IS INCORRECTLY REPLACED.

  • Page 4: Table Of Contents

    CONTENTS CHAPTER 1 GENERAL INFORMATION General Performance......................1-1 General User's Function ...................... 1-4 General Maintenance Functions ..................1-7 General Appearance ......................1-8 Basic Performance Specifications ..................1-10 Reports and Lists ......................... 1-19 CHAPTER 2 INSTALLATION PROCEDURE A. SETUP INFORMATION..................2-1 General ..........................
  • Page 5 4.3.3 Control Panel Assembly, Paper Guide (U) Assembly..........4-8 4.3.4 Sub-roller, ADF Roller Assembly, Pinch Roller, Contact Image Sensor, Document Detectors (PC1 and PC2)..............4-10 4.3.5 Resist Motor, Drum Motor, Release Guide Assembly, Manual Guide Assembly, Stacker Cover, Fusing Unit ..................4-12 4.3.6 Lower Base, Motor Assembly, Back-up Roller, Transfer Roller ......
  • Page 6 Appendix B Description of Print Operation for OKIFAX 5400 Appendix C Circuit Diagrams and Parts List (OKIFAX 5400) Appendix D Mechanical Expanded View Drawing and Parts List (OKIFAX 5400) Appendix E Board Layout (OKIFAX 5400) Appendix F Second Paper Feeder Manual...

  • Page 7: General Information

    CHAPTER 1 GENERAL INFORMATION 40838301TH Rev.1...

  • Page 8: General Performance

    • 128 mm to 356 mm Length setting: Unlimited (1500 mm) is also available. (7) Automatic document feeder (ADF) • 30 sheets (NA Letter/A4-size: 20-1b bond. Oki Data recommended paper) • 15 sheets (NA Letter/A4-size: 13 to 28-1b bond) Note:...
  • Page 9 b) Vertical: Transmission mode: 3.85 line/mm (STD), 7.7 line/mm (FINE) or 300 dot/inch (EX.FINE) COPY mode: 7.7 line/ mm(FINE) or 300 dot/inch(EX.FINE) (13) Scanning method • 2592 bits contact image sensor (14) Recording resolution a) Horizontal: 300 dots/inch b) Vertical: Variable: Automatically adjusted to the paper length.
  • Page 10 (22) Protocol • ITU-T Rec. T.30 • OKI special protocols: High-speed protocol (23) Error correction mode (ECM) (24) Communication mode • Half duplex (25) Memory capacity • Basic model: 2.5 M byte • Optional memory: 4 M byte memory board can be added.

  • Page 11: General User's Function

    General User's Function (1) Transmit mode • Automatic transmit mode • Manual transmit mode (2) Receive mode • Automatic receive mode • Manual receive mode • TEL/FAX automatic switchover mode • TAD mode • Memory only receive mode • PC receive mode (This function is the standard for ODA) (3) Dual access (4) Voice request (5) Automatic redial...
  • Page 12 (22) G3 sequential broadcast (Memory) • Broadcast mode 134 stations at maximum • Delayed broadcast mode (23) No paper/no toner reception (24) Memory-only reception (Memory reception even if paper does not run out) (25) Distinguishing Text from picture (26) Page re-transmission (Only in case of memory TX mode) (27) Vertical reduction printing (Reduction rate is from 100% to 75%) (28) Horizontal reduction (RX, Copy: Reduction rate is from 93% to 98%) (29) Smoothing printing (In case of 8 dot/mm x 3.85, 7.7 or 15.4 line/mm →...
  • Page 13 (44) Time and date setting (45) PC interface (option) • Standard: ODA version • Option: INT'L version (46) Language selection • 2 languages (LCD and Reports) (47) Fax fowarding (48) Reports • Activity report • Protocol report (Service man setting) •...

  • Page 14: General Maintenance Functions

    General Maintenance Functions (1) Self-diagnosis • CPU ROM/RAM check • FLASH (/MASK) memory check (Program, Language, Default) • RAM check • RAM check (MEMORY board: option) • PC-IF board (parallel) check • Print test (2) Sensor calibration (Adjustment of scanning level) (3) LED test (4) Tone send test (5) Multi-frequency (MF) send test...

  • Page 15: General Appearance

    General Appearance Figure 1.4.1 shows the general appearance. Figure 1.4.2 shows the control panel. Document stacker Control panel Document tray Telephone handset (option) Copy stacker Sub-paper tray Recording paper cassette Manual paper feeder cover Figure 1.4.1 General Appearance 40838301TH Rev.1 1 - 8...
  • Page 16 40838301TH Rev.1 1 - 9...

  • Page 17: Basic Performance Specifications

    Basic Performance Specifications Table 1.5.1 shows basic performance specifications. Note: TF: Technical function setting Function program setting One-touch key pressed SELECT FUNCTION key pressed Table 1.5.1 (1/9) Basic Performance Specifications Item Specifications Applicable line 1) Public switched telephone network (PSTN) 2) Private branch exchange (PBX) (OT9+2) Line interface 1) Impedance...
  • Page 18 Table 1.5.1 (2/9) Basic Performance Specifications Item Specifications Effective reading width Communication Effective reading Document width Copy size Mode/Paper width width ISO A4 (210 mm) 208 mm for TX G3/A4 202.8 mm for local copy [INT'L/FTZ] NA letter (216 mm) 215.1 mm for TX G3/A4 Letter...
  • Page 19 3) Weight, thickness and condition: Same as above Note: One single sheet only should be loaded on the manual loading feeder for any one occasion. For best results use Oki Data recommended papers 1) Xerox 4200 (20 - lb/base weight paper) 2) L-type paper for photo-printers...
  • Page 20 6.35 0.25 6.35 0.25 6.35 0.25 6.35 0.25 6.35 Copy stacking The fax can discharge printed copies and stack them face- down. Maximum sheets on the copy stacker: 100* Note *: Oki Data recommended paper 40838301TH Rev.1 1 - 13...
  • Page 21 Table 1.5.1 (5/9) Basic Performance Specifications Item Specifications Scanning resolution Horizontal: • 300 dot/inch Vertical: Transmission mode: • 3.85 line/mm (STD), 7.7 line/mm (FINE) or 300 dot/ inch,(EX. FINE) COPY mode: 7.7 line/ mm (FINE) or 300 dot/inch (EX. FINE) Image scanning method NA Letteer size (2592-bit) contact image sensor Contrast control...
  • Page 22 Specifications Minimum scan line time for receiv- 0 ms, when receiving in ECM mode or from an Oki Data facsimile. 5 ms at 15.4 line/mm or 7.7 line/mm and 10 ms at 3.85 line/mm when receiving from a non-Oki Data facsimile or non-ECM mode.
  • Page 23 No.1 sample dosument is used. No. of sheets are typical value. Back-up time on electrical interruption: Min. one hour Note: OKIFAX 5400 without option memory does not back up the message received in memory for the power failure. 40838301TH Rev.1...
  • Page 24 1) PC local printer function 2) PC scanner function 3) PC FaxModem function 4) Location Programing function Note: This function will be supplied as the OKIFAX 5400 option in case Oki Data can get the approval in respective countries without modifying the optional unit.
  • Page 25 Table 1.5.1 (9/9) Basic Performance Specifications Item Specifications Temperature and Humidity Conditions 28°C85% 18°C80% 27°C80% 10°C73% 0°C64% 32°C54% 10°C30% 43°C29% 15°C20% 32°C20% 0°C10% 43°C10% 28°C 18°C 27°C 43°C 15°C TEMPERATURE [°C] Area enclosed by lines with : Range where printing is guaranteed. Area enclosed by lines with : Range for storage without power supply.

  • Page 26: Reports And Lists

    Reports and Lists Table 1.6.1 shows Reports and Lists Specifications. F +OT: Press FUNCTION and One-touch key Note: Function program setting Technical function setting Table 1.6.1 (1/2) Reports and Lists Specifications Item Specifications The transmitter sends a call-back message to the receiver Call-back message only when the receiver does not respond to voice request of the transmitter.
  • Page 27 Table 1.6.1 (2/2) Reports and Lists Specifications Item Specifications Confidential reception report The fax can print out this report automatically on completion of a confidential reception. Telephone directory This directory is printed manually. (REPORT PRINTING +3) Configuration report This report is printed manually. (REPORT PRINTING +4) 40838301TH Rev.1 1 - 20...
  • Page 28 (2) Sender ID (3) CSI/Personal ID (4) Letters "PLEASE CALL BACK" (5) Sender ID (6) Sender's call back telephone number Sender ID Format: (Example) OKI ABC 1234 → 3454 2000 07/01/1999 15:06 NO.021 Date and Time Sender ID Receiver’s CSI/Personal ID...
  • Page 29 TSI Printing and Local Date and Time Printing Format: (Example) 07/01/1999 15:48 3454 1999 TSI printing Local date and time printing (F050-C1-004) Note: TSI printing (TF+05) Local date and time printing (TF+04) 40838301TH Rev.1 1 - 22...

  • Page 30: Power Outage Report

    DATE TIME S,R-TIME DISTANT STATION ID MODE PAGES RESULT 05/17 10:10 0485-88-3385 9080 05/17 10:30 ODS TAKASAKI 0000 05/17 12:05 01'20" OKI FAX BOX=01 0000 05/17 13:00 00'20" 03-5476-4300 CALLED 0000 05/17 15:40 034567092222 FWD-T 05/18 10:50 01'20" 0495-22-5400 CALLED...

  • Page 31: Activity Report

    TOTAL TIME CALLING=08:22' CALLED=17:30' DATE TIME S,R-TIME DISTANT STATION ID MODE PAGES RESULT (10) (11) (12) 05/17 10:00 01'20" OKI FAX CALLING 0000 05/17 10:10 01'00" 0485 88 3385 CALLING STOP 9080 05/17 10:30 00'20" ODS TAKASAKI POLLING 0000 05/17 12:05 01'20"...
  • Page 32 Title of the report Date and time when the report was printed Sender ID Total CALLING and CALLED time Date of transmission or reception Time when the communication started Time span of the fax communication. Identification of the remote station Personal ID/Location ID/TSI/CSI/Dial number or space Communication mode: CALLING...

  • Page 33: Message Confirmation

    Message Confirmation Report Format (1/2): (Example) MESSAGE CONFIRMATION 07/01/1999 08:05 ID=OKI (10) DATE S.R-TIME DISTANT STATION ID MODE PAGES RESULT 07/01 00’20" OKI FAX CALLING 0000 (F050-C1-008 1/2) 40838301TH Rev.1 1 - 26...
  • Page 34 Message Confirmation Report Format (2/2): (Example) MESSAGE CONFIRMATION 07/01/1999 17:05 ID=OKI (10) DATE S.R-TIME DISTANT STATION ID MODE PAGES RESULT 07/01 00’20" OKI FAX B.C. COMP 60A0 07/01/96 17:00 OKIFAX No.022 150 km (11) (F050-C1-008 2/2) (1) Title of the report...

  • Page 35: Broadcast Entry Report

    Broadcast Entry Report Format: (Example) (1/2) BROADCAST ENTRY REPORT 07/01/1999 17:05 ID=OKI LOCATION ID LOCATION ID LOCATION ID ONE TOUCH 1 = OT1 2 = OT2 3 = OT3 4 = OT4 5 = OT5 6 = OT6 7 = OT7...
  • Page 36 Broadcast Entry Report Format: (Example) (2/2) BROADCAST ENTRY REPORT 07/01/1999 17:04 ID=OKI TAKSAKI KEYPAD 1234567890123456789012345678901234567890 1234567890123456789012345678901234567890 1234567890123456789012345678901234567890 1234567890123456789012345678901234567890 1234567890123456789012345678901234567890 40838301TH Rev.1 1 - 29...

  • Page 37: Broadcast Confirmation Report

    Broadcast Confirmation Report Format: (Example) BROADCAST CONFIRMATION REPORT 07/01/1999 17:05 PAGES = 01 ID=OKI TOTAL TIME = 00:02'30" LOCATION ID PAGES RESULT LOCATION ID PAGES RESULT ONE TOUCH 1 = OT1 2 = OT2 3 = OT3 4 = OT4...
  • Page 38 Telephone Directory (1/6): (Example) TELEPHONE DIRECTORY P1 07/01/1999 17:05 ID=OKI LOCATION ID TEL NO. PRM. ECHO ONE TOUCH OKI SERVICE 0001 123 345 (ON) 0101 123 567 0002 (OFF) 0102 NEW YORK 0003 (OFF) 0103 OT4 ABC 0004 (OFF) 0104 XYZ CO.
  • Page 39 Telephone Directory (2/6): (Example) TELEPHONE DIRECTORY P2 07/01/1999 17:05 ID=OKI LOCATION ID TEL NO. AUTO DIAL TOKYO OFFICE 1001 111 222 PARIS 1002 111 333 AMERICA 1003 TOKYO 3 1004 TOKYO 5 1005 1006 1007 FRANCE 1008 GERMANY 1009 ITALY...
  • Page 40 Telephone Directory (3/6): (Example) TELEPHONE DIRECTORY P3 07/01/1999 17:05 ID=OKI LOCATION ID TEL NO. AUTO DIAL OKIDATA 234 5678 40838301TH Rev.1 1 - 33...
  • Page 41 Telephone Directory (4/6): (Example) TELEPHONE DIRECTORY P4 07/01/1999 17:05 ID=OKI GROUP NUMBER = #1 #2 #3 #4 #5 #6 #7 ONE TOUCH AUTO DIAL #2 ONE TOUCH AUTO DIAL ONE TOUCH AUTO DIAL ONE TOUCH AUTO DIAL ONE TOUCH AUTO DIAL...
  • Page 42 Telephone Directory (5/6): (Example) TELEPHONE DIRECTORY P5 07/01/1999 17:05 ID=OKI GROUP NUMBER = #8 #9 #10 #11 #12 #13 #14 ONE TOUCH AUTO DIAL ONE TOUCH AUTO DIAL #10 ONE TOUCH AUTO DIAL #11 ONE TOUCH AUTO DIAL #12 ONE TOUCH...
  • Page 43 Telephone Directory (6/6): (Example) TELEPHONE DIRECTORY P6 07/01/1999 17:05 ID=OKI GROUP NUMBER = #15 #16 #17 #18 #19 #20 #15 ONE TOUCH AUTO DIAL #16 ONE TOUCH AUTO DIAL #17 ONE TOUCH AUTO DIAL #18 ONE TOUCH AUTO DIAL #19 ONE TOUCH...
  • Page 44 Configuration Report (User) CONFIGURATION 07/01/1999 17:05 ID=OKI FUNCTION LIST 01:MCF (SINGLE-LOC.) 02:MCF (MULTI-LOC.) 03:ERR.REPORT (MCF) 04:MESSAGE IN MCF 05:SENDER ID. 06:MONITOR VOLUME 07:BUZZER VOLUME 08:CLOSED NETWORK 09:TX MODE DEFAULT MIDDLE FINE/NORMAL 10:T/F TIMER PRG. 11:RING RESPONSE *3 12:DISTINCTIVE RING *3...
  • Page 45 Service Default Report (Configuration Report: Service bit=ON) CONFIGURATION 07/01/1999 17:05 ID=OKI FUNCTION LIST 01:SERVICE BIT 02:MONITOR CONT. 03:COUNTRY CODE 04:TIME/DATE PRINT 05:TSI PRINT 06:NO TONER MEM. RX 07:TAD MODE 08:REAL TIME DIAL 09:TEL/FAX SWITCH TYPE2 TYPE2 10:MDY/DMY. 11:LONG DOC. SCAN...

  • Page 46: Installation Procedure

    CHAPTER 2 INSTALLATION PROCEDURE 40838301TH Rev.1...

  • Page 47: Setup Information

    Setup Information General The following flowchart outlines the installation procedure. (See 2.2) Site selection (See 2.3) Unpacking (See 2.4) Check of contents (See 2.5) Installation of attachments (See 2.6) AC cord connection (See 2.7) Telephone and line connections (See 2.8) Packing for shipment (See 2.9.1) General procedure key operations...
  • Page 48 (See 2.9.7) Dual access operations System data programming (See 2.9.8) TSI/sender ID included. One-touch key programming Two-digit auto dial programming Group setting (See 2.9.9) Dial parameter settings Programming mail box password Memory operations (See 2.9.10) Off-line tests (See 2.9.11) On-line tests (See C) Installation of optional units •...
  • Page 49 Site Selection INSTALLATION Precautions for Installation (1) Fluctuation in line voltage • 120VAC (102V to 127V) • 230VAC (198V to 264V) (2) Room temperature 50 to 90°F (10 to 32°C) (3) Humidity 20 to 80% RH (4) Operating environment Pressure: Equivalent to altitude of 2500 m and below. (5) Exposure Within five minutes at luminous intensity 2,000 lux (with the stacker cover opened).
  • Page 50 (196mm) (46mm) 11.81" 19.69" (300mm) (500mm) In case of scanning length (Max. 14 inches: 356mm) FX-050VP-C2-002 Note: This space is necessary for handling the handset. (option) (page 2-3) This space is necessary for removing the recording paper cassette. This space is necessary for installing the document stacker and to allow space for the fan exhaust.

  • Page 51: Unpacking

    Unpacking 2.3.1 Unpacking Procedure (1) Remove tape on the top of the carton box and open its cover. External carton box Packing tape Packing tape Carton label FX050-C2-003 Figure 2.3.1 Unpacking Procedure (1) (2) Take out the accessory box from the carton box. (See Figure 2.3.1) (3) Take out the machine with plastic wrapper from the box.
  • Page 52 Accessories box Right cushion assembly (Top) Left cushion assembly (Top) Front Fixed tape Machine Right cushion assembly Left cushion assembly (Bottom) (Bottom) Polyethylene film External carton box FX050-C2-004 Figure 2.3.1 Unpacking Procedure (2) 40838301TH Rev.1 2 - 6...
  • Page 53 Top carton box Cushion Cellophane tape AC power cord Modular cord Polyethylene bag Polyethlene bag Toner cartridge (In damp proof bag) Document stacker Carton frame Accessories box Separation frame Packing tape Accessories box FX050-C2-005 Figure 2.3.1 Unpacking Procedure (3) 40838301TH Rev.1 2 - 7...
  • Page 54 After having taken out the machine and accompanied accessories from the carton box, check the contents according to the following list: Table 2.4.1 Contents List Item No. Name Q'ty Remarks OKIFAX 5400 facsimile AC power cord I/D unit Already installed. Toner cartridge Document stacker Line cord One touch sheet Already installed.

  • Page 55: Installation Of Attachments

    Installation of Attachments 2.5.1 Installation of Attachments (1) Items • Image Drum (ID) Unit (already installed) • Toner cartridge • Recording paper • Document stacker (2) Procedure 1) Toner cartridge • Peel off the fixed tape attached to the copy stacker. •...
  • Page 56 • Take out the toner cartridge from the damp proof bag, shake it five or six times as shown in the illustration to eliminate the toner deflection, and peel off the seal gently. Seal Toner cartridge FX050VP-C2-008 Figure 2.5.1.3 Toner Cartridge Installation (3) •...
  • Page 57 • Push the blue tab forward until it stops. Toner cartridge Blue tab FX-050VP-C2-010 Figure 2.5.1.5 Toner Cartridge Installation (5) • Clean the toner scattered in the vicinity of the toner cartridge using a cloth moistened with cold water. Do not use hot water since it makes the toner stick there. •...
  • Page 58 (3) Recording paper Note: About 250 sheets of the new paper can be set in the recording paper cassette. • Remove the paper cassette from the facsimile by pulling the cassette tab. FX050VP-C2-011 Paper cassette Figure 2.5.1.6 Recording Paper Cassette Installation (1) •...
  • Page 59 (4) Document stacker • Hang the document stacker onto hanging position. Hanging position Document stacker FX-050VP-C2-013 Figure 2.5.1.8 Document Stacker Installation 40838301TH Rev.1 2 - 13...

  • Page 60: Ac Cord Connection

    AC Cord Connection The power supply is provided as follows. Nominal input voltage 120VAC (Voltage range 102 to 127VAC) Nominal input voltage 230VAC (Voltage range 198 to 250VAC) Check whether the AC voltage of your input is within the above-mentioned voltage range and if so, check that the power switch is turned OFF.

  • Page 61: Telephone And Line Connections

    Figure 2.7.1 Telephone and Line Connections Packing for Shipment CAUTION: When packing the OKIFAX 5400 for shipment, REMOVE THE IMAGE DRUM AND TONER FROM THE UNIT AND SHIP SEPARATELY! Failure to do this will result in damage to the machine.”...

  • Page 62: Programming And Initial Settings

    Programming and Initial Settings Initial Settings 2.9.1 General Procedure of Key Operation Figure 2.9.1 shows the general procedure of key operation. 40838301TH Rev.1 2 - 16...
  • Page 63 (STNDBY MODE) (Press the SELECT FUNCTION key.) COPY COPY SELECT FUNCTION (OT) Selection by One-touch key To technical program [Prg. Start date (0-9) and start time (0-9)] OT1: DELAYED TX OT2: BROADCAST/FEEDER TX [Enter 20-digit (0-9, sp, *, #)] OT3: CONFIDENTIAL TX [Prg.
  • Page 64 01: MCF. (SIGNLE-LOC.) Powered on while holding the 02: MCF. (MULTI-LOC.) 03: ERR. REPORT (MCF.) SELECT FUNCTION key down. 04: IMAGE IN MCF. 05: SENDER ID Selection by YES/NO keys or digit (1 to 5) 06: MONITOR VOLUME 07: BUZZER VOLUME OT9: USER PROGRAM 08: CLOSED NETWORK 09: TX MODE DEFAULT...
  • Page 65 Powered on while holding the COPY key down. Selection by YES/NO keys or digit (1 to 4) TECHINICAL PROGRAMMING Selection by YES/NO keys or digit (1 to 8) 1: LOCAL TEST 1: SELF DIAGNOSIS 2: SENSOR CALIBRATION 3: LED TEST 4: TONE SEND TEST 5: MODEM SEND TEST 6: MODEM RECEIVE TEST...

  • Page 66: Technical Functions

    2.9.2 Technical Functions T.F. Item Specifications Default This section explains setting items generally conducted by service personnel, not by users. Table 2.9.1 shows the initial setting items and their purposes. (The default setting is different by the individual countries.) Each item can be accessed by entering the corresponding service number on Technical Function. The detailed procedures of the initial setting items will be explained on the following pages.
  • Page 67 Table 2.9.1 (1/6) Service Personnel Initial Settings T.F. Item Specifications Default Service bit Switching serviceman/user operation. ON : Service personnel’s features are avail- able. OFF : Service personnel’s features are not available. To enable or disable the following functions: • Drum (Total, Print, Scan), and toner counter clear •...
  • Page 68 Table 2.9.1 (2/6) Service Personnel Initial Settings T.F. Item Specifications Default No-toner memory reception Enables or disables the memory reception when the fax is in no toner condition. ON : The messages are printed when toner has been newly supplied or an operator performs the memory operation (OT10).
  • Page 69 Table 2.9.1 (3/6) Service Personnel Initial Settings T.F. Item Specifications Default Long document SCAN Switches the function of transmitting long-size document (more than 380 mm). ON : Unlimited (1500 mm) OFF : 380 mm. Tone for Echo Switches the function to apply to poor lines with echo in overseas transmission, etc.
  • Page 70 Table 2.9.1 (4/6) Service Personnel Initial Settings T.F. Item Specifications Default T2, timeout value T2, timeout value Registers the time duration (in seconds) for which the receiving fax detects the EOL (End Of Line) signal during phase C. The fax will discon- nect the line when EOL cannot be detected within T2.
  • Page 71 Table 2.9.1 (5/6) Service Personnel Initial Settings T.F. Item Specifications Default Adjusts the attenuation (dB) for the message Modem attenuator send signal power level. Adjusting value is 0 to 15 dB in one dB steps. Since the maximum send signal power level (dB) of the fax is at 0 dB, you can select 0 dB to -15 dB in one dB steps for the send signal power level.
  • Page 72 Table 2.9.1 (6/6) Service Personnel Initial Settings T.F. Item Specifications Default Setting of Technical Function No. 27 Setting Rank Marking 291–313 269–290 248–268 229–247 212–228 196–211 181–195 168–180 155–167 143–154 132–142 122–131 113–121 105–112 100–104 Head width Head width You should confirm the head width by the follow- ing table, and then select it by this setting.
  • Page 73 TEL/FAX automatic switching This function is used for the purpose of TEL/FAX automatic switching as follows. If the machine detects a call with a CNG signal indicating an auto send facsimile call, it starts an automatic document receiving operation. If machine detects a call without a CNG signal, machine generates the buzzer sounds as a telephone call.
  • Page 74 Period Ring Back Tone Switch Over Time (20/35 sec) LIFT HANDSET Load document NSF, CSI, DIS Press START AUTO REC. START Button OKI TOKYO RECEIVING /144 Manual Transmission CML"OFF" 1 sec 1 sec 3.2.sec To detect CNG signal FX050VP-C2-018 [Notes] *1: Ring Back Tone —...
  • Page 75 • TAD mode flow chart In case of TYPE 1; Even though the fax does not detect CNG signal, the fax will go to receiving mode. Indication of LCD Telephone call Calling Called 14:14 [TAD] (TAD) or manual party party transmission Ringing CML ON...
  • Page 76 • TAD mode flow chart In case of TYPE 2: If the fax does not detect CNG signal during working of TAD, the machine will go to standby mode. Indication of LCD Telephone call Calling Called 14:14 [TAD] (TAD) or manual party party transmission...

  • Page 77: Technical Functions Example

    2.9.3 Technical Functions Example Note: The fonts displayed on the LCD operation panel may differ from the fonts written this manual. Service Bit Setting Purpose To enable or disable the following functions: • Drum and toner counter display (clear) • Service default report printing •...
  • Page 78 Technical functions Operations: The display shows: 14:14 [FAX] (Standby) Press SELECT FUNCTION key. FUNCTION SELECT FUNCTION (OT) MEMORY AVAIL.=100% COPY Press COPY key twice. COPY TECH. PROGRAMMING YES(←/1-4) NO(→) ← ← Press key. 1:LOCAL TEST YES(←) NO(→/1-4) → Press key. →...
  • Page 79 Table 2.9.2 (1/5) Technial Functions T.F. Name of Function The Display Shows Service bit → 01:SERVICE BIT Setting (Toggle) [ X ] YES(←) NO(→) → ← X: OFF Line monitor control → 02:MONITOR CONT. Setting (Toggle) [ X ] YES(←) NO(→) →...
  • Page 80 Table 2.9.2 (2/5) Technial Functions T.F. Name of Function The Display Shows Tone for echo → 12:TONE FOR ECHO (echo protection) Setting (Toggle) [ X ] YES(←) NO(→) → ← X: OFF MH only → 13:MH ONLY Setting (Toggle) [ X ] YES(←) NO(→) →...
  • Page 81 Table 2.9.2 (3/5) Technial Functions T.F. Name of Function The Display Shows T2, timeout value 17:T2 TIMER *100MS [ X ] YES(←) NO(→) To 18: DIS BIT32 X: 001 - 255 → 17:T2 TIMER *100MS ] ENTER 000-255 — 3-digit timer entered. →...
  • Page 82 Table 2.9.2 (4/5) Technial Functions T.F. Name of Function The Display Shows MF attenuator → 24:MF ATT. Setting [ X ] YES(←) NO(→) → → X:0 DB 1 DB → • • • • • → → → 2 DB 15 DB 0 DB ••••...
  • Page 83 Table 2.9.2 (5/5) Technial Functions T.F. Name of Function The Display Shows LED Head Width → 28:LED HEAD WIDTH Setting (Toggle) [ X ] YES(←) NO(→) → ← X: TYPE1 TYPE2 Media type → 29:MEDIA TYPE Setting [ X ] YES(←) NO(→) →...

  • Page 84: User's Functions

    2.9.4 User’s Functions This section explains the items usually set up by general users. Table 2.9.3 shows the initial setting items and their purposes. Each F.P.can be accessed by entering the corresponding function number on Function Program- ming. The detailed procedure of the initial setting items will be explained on the following pages. Note : S-ON: Effective if the service bit has been set on.
  • Page 85 User's Functions Table 2.9.3 (1/6) User's Functions Item Specifications Auto dial 30 one-touch keys are provided. 1) One-touch dial Max. 32 digits for each location number. In addition to an ordinary location number, another alternate location number can be registered in to each one-touch key. Purposes of this alternate location number: 1) Fax dial A fax number is registered as an alternate location...
  • Page 86 Table 2.9.3 (2/6) User's Functions Item Specifications Automatic redial PTT parameter setting disables or enables this feature, and specifies redial times and redial intervals. * See 2.9.9 for the service bit condition depending on PTT parameters. Last No. redial “REDIAL” key is provided. There is no limit on number of repeat attempts.
  • Page 87 Table 2.9.3 (3/6) User's Functions Item Specifications Broadcast Max. 134 remote locations can be specified by the following (Memory transmission) means: • One-touch keys (with of without a group list). • Two-digit auto dial codes. • 10 keypad dial number One delayed time of calling for this feature can be specified unless any other delayed calling feature has been specified.
  • Page 88 Table 2.9.3 (4/6) User's Functions Item Specifications Smooth printing The documents received in the STD mode can be printed at the FINE resolution by means of generating one line based on the two consecutive original lines and printing it between them.

  • Page 89: Specifications

    Table 2.9.3 (5/6) User's Functions Item Specifications Dual Access Combination Table (1/2) Machine Status RX (non-ECM/ECM) TX from Scanning to TX from Memory Feeder Memory Paper Memory Program- During After During During During During During During During During During During ming Scanning Scanning...
  • Page 90 Table 2.9.3 (6/6) User's Functions Item Specifications Dual Access Combination Table (2/2) Machine Status Copy Memory Reception Print Report Printing Multi-Sorting Auto Matic Manual Auto Matic Manual Page by During During During During During During During During During During Page Scanning Printing Hopping...
  • Page 91 User's Initial Settings Note : The fonts displayed on the LCD operation panel may differ from fonts written this manual. 2)-1 One Touch Key Operations POWER ON Press COPY key twice SELECT FUCTION (OT) MEMORY AVAIL.=100% Power on while holding TECH.
  • Page 92 01 to 16 OKIFAX 5200/5300: 01 to 08 OKIFAX 5500/5600: 01 to 16 OKIFAX 5400 01 to 16 This function automatically originates a message call via Relay broadcast initiate transmis- relay key station (which must be equipped with OKIFAX sion 2600, OF-38, OF-27 or equivalent) up to 120 locations for OKIFAX 2600 and 99 locations for OF-38 or OF-27.
  • Page 93 Table 2.9.4 (2/4) User's Initial Settings (One-touch key Program) F+OT Item Specifications Log. report TF + 01 (Sets to on Service bit) Counter display (clear) The operation for displaying and clearing the print counters in five ways are as follows: 1.
  • Page 94 Table 2.9.4 (3/4) User's Initial Settings (One-touch key Program) F+OT Item Specifications User’s programs Function program 1. Function program 01: MCF (SINGLE-LOC.) 02: MCF (MULTI-LOC.) 03: ERR. REPORT (MCF.) 04: IMAGE IN MCF. 05: SENDER ID 06: MONITOR VOLUME 07: BUZZER VOLUME 08: CLOSED NETWORK 09: TX MODE DEFAULT 10: T/F TIMER PRG.
  • Page 95 Table 2.9.4 (4/4) User's Initial Settings (One-touch key Program) F+OT Item Specifications 4. System data program (1) TSI/CSI (except for SUI and AUT) Registration of TSI/CSI/CIG (numbers, + and space) in 20 digits. TSI: Transmitting Subscriber Identification CSI: Called Subscriber Identification CIG: Calling Subscriber Identification (2) SENDER ID Registration of sender ID (alphabetic, numeric and sym-...
  • Page 96 2)-2 Function Program Table 2.9.4 (1/4) User's Initial Settings (Function Program) P.F. Item Specifications Default Message confirmation report Enables or disables the automatic message (Single location) confirmation report printing after a single loca- tion call. Printing the MCF report. OFF: Disables this function. Message confirmation report Enables or disables the automatic message (Multiple locations)
  • Page 97 Table 2.9.4 (2/4) User's Initial Settings (Function Program) P.F. Item Specifications Default Closed network The fax compares lower four digits of TSI/CSI received from remote station with fax numbers registered locally for one-touch dial and two-digits autodial. If unmatched, the communication will be auto- matically disconnected.
  • Page 98 Table 2.9.4 (3/4) User's Initial Settings (Function Program) P.F. Item Specifications Default 2’nd cassette paper size (option) Selects A4, LETTER or LEGAL 13˜, LEGAL 14˜/ OTHER by this function. The operator must select the preferable paper size as the machine cannot detect the paper size automatically.
  • Page 99 Table 2.9.4 (4/4) User's Initial Settings (Function Program) P.F. Item Specifications Default Remote diagnosis Enables or disables the remote diagnosis func- tion when the machine can allow remote diagno- sis from remote center. Enables OFF: Disables PC/FAX switch To enable or disable PC interface function: (option) When PC reception is not available, for example, application is not activated on the PC or cable is...

  • Page 100: User's Functions Example

    2.9.5 User's Functions Example Note : The fonts displayed on the LCD operation panel may differ from fonts written this manual. Function Program The display shows: Operations: To bring the LCD up to the desired message, 1:FUNC. PROGRAMMING press SELECT FUNCTION key once and ←...
  • Page 101 Table 2.9.5 (1/2) User's Functions Tap No. Name of Function The Display Shows → Message confirmation 01:MCF(SINGLE-LOC.) Setting (Toggle) report → ← X: OFF ← → ] YES( ) NO( (Single location) → Message confirmation 02:MCF (MULTI-LOC.) Setting (Toggle) report (Multiple →...
  • Page 102 Table 2.9.5 (2/2) User's Functions Tap No. Name of Function The Display Shows → 1st cassette paper 13:1’ST PAPER SIZE Setting size ← → ] YES( ) NO( X: A4 LGL 13 LGL 14 OTHER → NOTE 3: 2ndcassette paper 14:2’ND PAPER SIZE Setting size...
  • Page 103 ) NO( (bypass) 12:DISTINCTIVE RING ← → ] YES( ) NO( Note3: When 2'nd tray is not mounted on OKIFAX 5400, 2'nd paper size is bypassed as follows: (bypass) 14:2’ND PAPER SIZE ← → ] YES( ) NO( 15:USER LANGUAGE ←...
  • Page 104 Ring response time Before specifying the ring response time, set the service bit on following the operations shown in 2.9.3 (1). (Service Bit Setting). Operations: The display shows: To bring the LCD up to the desired SELECT FUNCTION (OT) message, press SELECT FUNCTION MEMORY AVAIL.=100% key once and one-touch key No.
  • Page 105 Dial parameters (In case the service bit is "OFF".) To get the "DIAL PARAMETER" message on the display, perform the same operetion as Table 2.9.6. (Dial parammeters settings). 2:DIAL PARAMETER ← → YES( /1-6) ← REDIAL TRIES Available for USA, INT’L, NOR, SWE, FIN. GER, HUN, ←...
  • Page 106 The following table can be set depending on the National codes even if the service bit is "off". Table 2.9.10 Dial parameters setting if the service bit "OFF" NATIONAL CODE USA INT’L GBR IRL NOR SWE FIN DEN GER HUN TCH POL Redial tries Redial interval Dial tone detect...

  • Page 107: Clock Adjustment

    2.9.6 Clock Adjustment Operations: The display shows: To bring the LCD up to the desired message, SELECT FUNCTION (OT) press SELECT FUNCTION key once and MEMORY AVAIL.=100% one-touch key No. 9 in the standby mode. (In case of no message in memory) Press OT9 Enter 3 using the ten-key pad.

  • Page 108: Dual Access Operation

    2.9.7 Dual Access Operation OKI TOKYO OKI TOKYO OKI TOKYO SENDING /144 RECEIVING/144 MEMORY-RX/144 Set documents during memory TX Set documents Set documents or set documents during feeder TX after the end of the pre-scanning RELOAD DOCUMENT Pre-feed error SELECT LOCATION...

  • Page 109: System Data Programming

    2.9.8 System Data Programming • TSI/CSI (Defalut: Blank) • Registration of sender ID (Defalut: Blank) • Registration of telephone number for the call-back message (Defalut: Blank) Operations: The display shows: To bring the LCD up to the desired SELECT FUNCTION (OT) message, press SELECT FUNCTION MEMORY AVAIL.=100% key once and one-touch key No.
  • Page 110 Operations: The display shows: Continued from the previous page. NO=03 3404 7123 ID=OKI (Example) START Press key. START NO=<CALL BACK NO.> 3 SEC LATER NO=_ 03..5 NO=03 3404 7765_ (Example) Press START key. START 40838301TH Rev.1 2 - 64...

  • Page 111: Dial Parameters Settings

    2.9.9 Dial Parameters Settings Procedure The following shows the case in which the service bit is on. Operations: The display shows: To bring the LCD up to the desired message, SELECT FUNCTION (OT) press SELECT FUNCTION key once and MEMORY AVAIL.=100% one-touch key No.
  • Page 112 The display shows: Continued from the previous page. 2:DIAL PARAMETER ← → YES( /1-6) ← (1) Redial time REDIAL TRIES "0 TRY" to "10 TRY" ← → [2 TRY] YES( ) NO( ← → (2) Redial interval REDIAL INTERVAL "1 MIN" to "6 MIN" ←...
  • Page 113 Table 2.9.11 Default Settings of Dial Parameters 40838301TH Rev.1 2 - 67...
  • Page 114 Table 2.9.6 Dial Parameters Settings Item Specifications Dial parameters Redial tries Switches on the re-dial times to meet the regulations of the installed country. 0 to 10 tries (in one-try steps) 1 to 5 tries for FRE. Redial interval Switches on the re-dial intervals to meet the regulations of installed country.

  • Page 115: Off-Line Tests

    2.9.10 Off-line Tests Purpose Activate self-diagnosis which includes: • Print test • CPU-ROM version printing • CPU-RAM check • PROG version printing • LANGUAGE version printing • DEFAULT version printing • RAM check • RAM check (memory board: optional) • PC-I/F version printing (optional) Procedure Operations: The display shows:...
  • Page 116 CPU-ROM VERSION Z208 HASH 6FCF CPU-RAM PROG1 VERSION HASH C5CA PROG2 VERSION HASH 8ABF LANGUAGE VERSION EFHH HASH 1292 DEFAULT VERSION GF00 HASH 9B54 RAM1 RAM2 OPT-RAM1 OPT-I/F PARALLEL DEFAULT TYPE 12/01/1998 18:30 *1 marked item is shown for condition of all RAM except EXCEED RAM. *2 marked item is shown to SRAM for EXCEED.

  • Page 117: On-Line Tests

    2.9.11 On-line Tests Transmission Load documents Make sure that • The loaded documents are fed in automatically. • The STD and NORMAL lamps light. • The display shows SELECT LOCATION. Dial the telephone number of the remote machine by the ten-key pad. Make sure that the telephone number of the remote machine is shown on the display.
  • Page 118 (e.g. No. 1) SEE THE CODE (e.g. 01) with scanning 4542111 DIALING 4542111 CALLING PRESS START KEY RECEIVED? PERSONAL ID OKI SHIBAURA SENDING /144 REMOTE TEL NO.(CSI) RECEIVED? 03 3456 7890 SENDING /144 DISTANT ID 4542111 3 454 2111 OKI TOKYO...
  • Page 119 OFF-HOOK AND CONVERSATION RECEIVE MODE? PRESS START KEY RING DETECTED AUTO REC. START MANUAL RX START PERSONAL ID RECEIVED? OKI SHIBAURA RECEIVING/144 REMOTE TEL NO.(CSI) RECEIVING/96 03 3456 7890 RECEIVING/144 3 454 2111 DISTANT ID (polling RX) RECEIVING OKI TOKYO RECEIVING/144 DIAL NO.

  • Page 120: Installation Of Optional Units

    Installation of Optional Units Items • Memory board • PC interface board • Telephone handset • Second paper cassette unit Procedure • Turn the facsimile power switch OFF and remove the AC power cord. Note: Unplug the AC power cord from the wall outlet first and then from the facsimile. •...
  • Page 121 Instllation of the memory board • In OKIFAX 5400, MEM, 2 or 4MB memory board can be mounted on to the connector CN13 of E17 board. Note: 2MB: Bosch ver. is STANDARD. Remove Rear Cover. Remove the rear cover by re- moving the two screws S1 and S2 .
  • Page 122 Installation of CTR (PC interface) board Remove Rear Cover. Remove the rear cover by remov- ing the two screws S1 and S2 . Rear Cover FX050-C2-025 Fig. C.2.1 Install CTR board. First, install CTR board on to the connector CN12, CN17 of E17 board, and then tighten the two screws to the separation plate.
  • Page 123 a)Insert the tip of a cutter or Nipper between the mold of Rear Cover and cut out it. Note: Be careful not to rotate the cutter or Nipper, since this can cause scratching on the Rear Cover. b)Grasp the mold of Rear Cover, and rotate it up and down until you can able to easily remove it. 40838301TH Rev.1 2 - 77...
  • Page 124 Installation of an optional telephone set Dial Mode Setting (For TEL-UK) Set the DIAL MODE slide switch on the rear side of the telephone set according to the dial mode of the connecting line. (Set to MF for UK, Norway, Denmark, Belgium and Italy) Ringer Volume Setting (For TEL-UK and TEL-S)
  • Page 125 (4) After installing the connection cable to the telephone set, extend the con- nection cable like Fig. C.3.3. Fig. C.3.3 (5) After installing the cradle assembly to the telephone set, fix the screw like Fig. C.3.4. (6) Install the telephone assembly on the facsimile transceiver unit.
  • Page 126 Connect the terminal on the other side of the connection cable formed on the rear side of the equipment (TEL1), like Fig. C.3.6, to the tele- phone set. Fig. C.3.6 40838301TH Rev.1 2 - 80...
  • Page 127 2) Second Paper Cassette Unit This item explains how to install the Second Paper Cassette Unit option. Second Paper Cassette Unit installation 1. Turn the facsimile power switch off and remove the ACpower cord. Note: Unplug the AC power cord from the wall outlet first and then from the fac- simile.
  • Page 128 3. Gently lower the facsimile on the Second Paper Cassette Unit. Note: Make sure that the positioning boss of the Second Paper Cassette Unit fits into the 2 holes at the bottom of the facsimile transceiver main unit. Hole Hole Positioning boss Second paper cassetle unit (F02-038)
  • Page 129 5. Install the Second Paper Cassette. Approximately 500 sheets of recording paper (20- Ib bond) can be loaded. Paper can be loaded up to this line. Second Paper Cassette (F02-042) Figure C.4.5 6. Reconnect the power cord to the wall and the facsimile, and Turn the facsimile power 40838301TH Rev.1 2 - 83...

  • Page 130: Brief Technical Description

    CHAPTER 3 BRIEF TECHNICAL DESCRIPTION 40838301TH Rev.1...
  • Page 131 Electro-photographic Process Flow 40838301TH Rev.1 3 - 1...

  • Page 132: Fundamentals Of The Electro-Photographic Process

    Fundamentals of the Electro-Photographic Process The electro-photographic process involves six sub-processes: (1) Charging (2) Exposure (3) Development (4) Transfer (5) Fusing (6) Cleaning Outline of each process is explained below. Process Illustration Description The surface of the electro-photo- graphic Image drum is uniformly charged with negative charges by applying a negative voltage to the Power...
  • Page 133 Process Illustration Description the Image drum is attracted to the developing roller by static electricity. EP drum The recording paper is placed over the Image drum surface and a positive charge, opposite in polarity to the toner, is applied to the reverse side of the paper from the transfer roller.

  • Page 134: Actual Electo-Photographic Process

    Actual Electo-photographic Process The electro-photographic process consists of six essential processes. The following Figure 3.2.1 provides a general description. 2 LED head Electro-photographic drum 1 Charge roller Toner 6 Cleaning roller 5 Heater roller 3 Developing roller Recording paper Back-up roller 4 Transfer roller * Process: 1 : Charging...

  • Page 135: Boards And Units

    Boards and Units 3.3.1 Boards and Units The following three boards, Memory board (option), Telephone interface board (option), PC interface board (option) and three units constitute facsimile transceiver machine. • Main control board MCNT: (E17) • Modem board MODEM: (MODE; V.34) •...
  • Page 136 MODEM CN15 CN16 40838301TH Rev.1 3 - 6...

  • Page 137: Overall Dimension And Mechanical Structure

    Overall Dimension and Mechanical Structure Transformer SPSU board (no SPSU board) CTR board (Option) 1VP/2VP (Power supply unit) CNT board Memory board (Option) Separation rubber Pinch roller ADF roller Scan roller Sub roller Heater roller Feed roller EP drum Image sensor NCU board Hopping roller Modem board...

  • Page 138: Mechanical Disassembly And Reassembly

    CHAPTER 4 MECHANICAL DISASSEMBLY AND REASSEMBLY 40838301TH Rev.1...

  • Page 139: General

    This chapter explains the procedures for replacement of assemblies and units in the field. General Precautions for Parts Replacement (1) Before starting disassembly and reassembly, always turn the AC power switch OFF, and pull out the AC plug. Note: Unplug the AC power cord from the wall outlet first and then from the facsimile. (2) Do not try to disassemble as long as the facsimile is operating normally.

  • Page 140: Tools

    Tools Table 4.1 shows the tools required for the replacement of parts such as circuit boards and mechanical units. Table 4.1 Tools Q’ty Remarks Service tools Philips screw driver (L) Philips screw driver (M) Philips screw driver (S) Flat screw drivers (S) Philips screw driver (S) Radio pliers Nippers...
  • Page 141 Start Item number for detailed description (4.3.1) (4.3.1) Open the Doc. LED Print Head Table, Copy Stacker (4.3.2) (4.3.2) (4.3.2) (4.3.2) Open the Doc. Separation Plate Font Cover, NCU Table Cover, Main Cover (4.3.2) NCU Board (4.3.2) Open the Copy Stacker (4.3.2) (4.3.2)
  • Page 142 (4.3.4) Scan Motor (4.3.5) (4.3.4) Release Guide Scan Frame Assembly Assembly (4.3.4) Eject Roller Assembly (4.3.5) Manual Feed Assembly (4.3.5) Copy Stacker, Fusing Unit (4.3.7) Resist Motor, Drum Motor (4.3.6) (4.3.6) (4.3.6) Lower Base Motor Ass’y Back-up Roller (Resist & Drum Transfer Roller Motors) (4.3.8)

  • Page 143: Led Print Head

    4.3.1 LED Print Head It is used two kind of head as the LED print head. (208 mm width or 216 mm width) Document Guide (1) Disassembly procedure Open the Document Table as- sembly. Open the Stacker Cover by push- ing the Buttons.

  • Page 144: Id Unit, Rear Cover, Ncu Cover, Main Cover, Separation Plate, Ncu Board, Modem Board

    4.3.2 ID Unit, Rear Cover, NCU Cover, Main Cover, Separation Plate, NCU Board, Modem Board Document Guide (1) Disassembly procedure ID Unit, Rear Cover, NCU Cover, Main Cover Open the Document Guide assembly. Stacker Cover Open the stack cover by re- moving the buttons.
  • Page 145 First, open the Main Cover from the front side, and then, re- move the Main Cover by re- Main Cover moving the nails at both sides on the rear side. Nail (at both sides) (FX-050VP-C4-005) Separation Plate Remove the Separation Plate by removing the two screws Separation Plate (FX-050VP-C4-006)

  • Page 146: Control Panel Assembly, Paper Guide (U) Assembly

    4.3.3 Control Panel Assembly, Paper Guide (U) Assembly. (1) Disassembly procedure Control Panel Assembly and Paper Guide (U) Assembly Screw 2 First, carry out the disassem- Control Panel bly procedure up to the point Assembly of the 4.3.2 (Main Cover, NCU Paper Guide U Assembly Cover and Rear Cover).
  • Page 147 Paper guide (U) Assembly Separation Rubber Separation Rubber The Separation Rubber can be removed from the Paper Guide (U) Assembly. (FX-050VP-C4-011) Feed Roller Feed Roller Remove the ground cable by removing the two screws 5. Screw 5 Remove the Feed Roller by removing the gear and ADF bearings.

  • Page 148: Sub-Roller, Adf Roller Assembly, Pinch Roller, Contact Image Sensor, Document Detectors (Pc1 And Pc2)

    4.3.4 Sub-roller, ADF Roller Assembly, Pinch Roller, Contact Image Sensor, Document Detectors (PC1 and PC2). (1) Disassembly procedure Screw 1 Scanner Unit First, carry out the disassem- bly procedure up to the point of the 4.3.2 (Rear Cover and Main Cover) and 4.3.3 (Con- trol Panel Assembly and Pa- per Guide (U) Assembly).
  • Page 149 • Turn the Scanner Frame As- sembly inside out and perform the disassembly procedure. Spring 1 Remove the Bottom Plate by Sub-roller ADF Roller removing the three screws 4. Assembly Remove the Sub-roller from the Scanner Frame. Remove the spring 1 from the Scanner Frame.

  • Page 150: Resist Motor, Drum Motor, Release Guide Assembly, Manual Guide Assembly, Stacker Cover, Fusing Unit

    4.3.5 Resist Motor, Drum Motor, Release Guide Assembly, Manual Guide Assembly, Stacker Cover, Fusing Unit (1) Disassembly procedure • First, carry out the disassembly pro- cedure up to the point of the Scan- ner Unit Assembly removal (Refer to Sub-section 4.3.4.) Resist Motor and Drum Motor Remove the Resist Motor by removing the two screws 1.
  • Page 151 Stacker Cover Disconnect the flat cable. Copy Stacker Remove the Copy Stacker by Flat cable pressing inward the two latches on it from the two reset levers. Remove the Copy Stacker by spreading it from the lower base. Reset lever Reset lever (FX050-C4-021) Fusing Unit...

  • Page 152: Lower Base, Motor Assembly, Back-Up Roller, Transfer Roller

    4.3.6 Lower Base, Motor Assembly, Back-up Roller, Transfer Roller (1) Disassembly procedure Screw 1 Lower Base, Motor Assembly Screw 3 First, carry out the disassem- Lower Base Screw 2 bly procedure up to the point of the Fusing Unit removal. (Refer to sub-item 4.3.5.) Disconnect the two connec- tors...
  • Page 153 Release the gear by unlocking the latch on the Lower Base. Lower Base Latch Lift the right side of the Trans- fer Roller and shift rightwards, then pull it out from the Lower Base. Gear Transfer Roller (FX050-C4-026) (2) Reassembly procedure Reverse the disassembly procedures.

  • Page 154: Resist Roller, Hopping Roller, Sensor Plates

    4.3.7 Resist Roller, Hopping Roller, Sensor Plates (1) Disassembly procedure Resist Roller, Hopping Roller Resist Roller One-way Clutch Gear First, carry out the disassem- bly procedure up to the point of the Lower Base removal. (Refer to sub-item 4.3.6.) Remove the One-way Clutch Gear.
  • Page 155 Press and hold the Clutch while pushing the Toner Sensor up and out. Toner Sensor (FX050-C4-030) (2) Reassembly procedure Reverse the disassembly procedures. 40838301TH Rev.1 4 - 17...

  • Page 156: Mcnt Board, Power Supply Unit, Contact Assembly, Transformer, Sub-Psu

    4.3.8 MCNT Board, Power Supply Unit, Contact Assembly, Transformer, Sub-PSU (1) Disassembly procedure Screw 2 Screw 2 • First, carry out the disassembly proce- dure up to the point of the Printer Unit removal. (Refer to sub-section 4.3.6.) Note: MCNT board is shown below: MCNT Board MCNT Board Screw 2...

  • Page 157: Chapter 5 Adjustments

    CHAPTER 5 ADJUSTMENTS 40838301TH Rev.1...

  • Page 158: Setting Of Led Print Head Drive Time

    Setting of LED Print Head Drive Time • Adjustment point: Technical Function No. 27. * To bring the LCD up to Technical Function, press SELECT FUNCTION key once, COPY key twice and "2" key (In case of no message in memory). Note: When the rank marking of the replaced LED print head (new part) is the same as that of the used LED print head (old part), you do not always have to set the LED print head drive time.

  • Page 159: Confirmation Items

    5.2.1 Confirmation Items The clock frequency and power voltage of the machine are not possible to adjust in the field. However, their measurement procedures are described here for confirmation of clock frequency and each voltage. Clock Frequency • Measurement point: E17 board;...

  • Page 160: Measurement

    5.2.2 Measurement Turn AC power OFF. Carry out the disassembly procedure up to Main Cover and Scanner Unit removal. (Refer to the Mechanical Disassembly and Reassembly in Chapter 4-2.) Connect extension cables to the E17 board. Connect the frequency counter (for clock frequency), digital voltmeter (for power voltage) and Oscilloscope (for SIG signal).
  • Page 161 40838301TH Rev.1 5 - 4...

  • Page 162: Cleaning And Maintenance

    CHAPTER 6 CLEANING AND MAINTENANCE 40838301TH Rev.1...

  • Page 163: Replacement Of Consumable Parts

    Replacement of Consumable Parts The user (or service personnel) is required to replace the following items as consumable parts. (1) User side Expected Use Before Reference Item No. Part name Replacement in Fig.6.1 Toner Cartrige 2500 sheets/cartrige (ITU-T document sample No.1) (For the second or later cartridge to a new I/D Unit) * The first toner cartridge installed in a new I/D...
  • Page 164 (3) Others Table 6.1 Reliability Item Specifications Document feeder Jam occurrence and misfeeds in the automatic document feeder will be less than one in 500 operations for all specified documents. Recording paper Jam occurrence in the automatic paper feeder will be less than feeder one in 1,500 operations and misfeeds will be less than one in 500 operations for all specified recording paper.

  • Page 165: Routine Inspection

    Routine Inspection Basically, the routine inspection of following items is performed about half-yearly (or every one year) after the machine is installed. The description of routine inspection is shown in Table 6.2. Table 6.2 Routine Inspection Expected Use Before Reference Item No. Part name Replacement in Fig.6.2...
  • Page 166 (7) Separation rubber (4) Pinch roller (3) Sub roller (1) Scan roller (8) LED print head (2) Feed roller (5) ADF roller (6) Image sensor Fifure 6.2 Parts of Routine Inspection 40838301TH Rev.1 6 - 4...

  • Page 167: Printer Counter Display/Clear

    Printer Counter Display/Clear Note : The fonts displayed on the LCD operation panel may differ from the fonts written this manual. Purpose A user can clear the image drum unit and check some of the counters (such as the print counter, scan counter) by using the ←...

  • Page 168: Printer Counter Display/Clear

    Printer Counter Display/Clear Purpose The service personnel can clear and check the following data: • Image Drum • Toner • Image Drum (Total) • Print • Scan Procedure The following shows the case when the service bit has been set ON. Operations: The display shows: To bring the LCD up to the desired message,...

  • Page 169: Self-Diagnosis Test

    Self-diagnosis Test Purpose To check ROMs, RAMs and printing function. Procedure Operations: The display shows: To bring the LCD up to the desired message, TECH. PROGRAMMING press SELECT FUNCTION key once and COPY YES(←/1-4) NO(→) key twice in the standby mode. (In case of no ←...
  • Page 170 • Test report will be automatically printed out with the following items: Pattern 1 All white (32 lines) Pattern 2 Stair pattern (32 lines in each step) Pattern 4 All black (32 lines) Pattern 4 Alternate printing of black dots and white dots (32 lines x 2) Pattern 5 All white (32 lines) CPU-ROM VERSION...
  • Page 171 CPU-ROM VERSION Z208 HASH 6FCF CPU-RAM PROG1 VERSION PROG1 HASH C5CA PROG2 VERSION PROG2 HASH 8ABF LANGUAGE VERSION EFHH HASH 1292 DEFAULT VERSION GF00 HASH 9B54 RAM1 RAM2 OPT-RAM1 OPT-I/F PARALLEL DEFAULT TYPE 12/01/1998 18:30 *1 marked item is shown for condition of all RAM except EXCEED RAM. *2 marked item is shown to SRAM for EXCEED.

  • Page 172: Sensor Calibration Test

    Sensor Calibration Test Purpose To adjust the linearity of output levels of contact image sensor. Operations: The display shows: To bring the LCD up to the desired message, TECH. PROGRAMMING press SELECT FUNCTION key once and COPY ← → YES( /1-4) key twice in the standby mode.
  • Page 173 Operations: The display shows: Continued from the previous page Enter "2". 2:SENSOR CALIBRATION ← → YES( /1-8) ← ← Press key. 2:SENSOR CALIBRATION PLEASE SET DOCUMENT Set white document. Load document(s). For adjustment of levels, use white plain bond paper(s) of NA Letter or A4 2:SENSOR CALIBRAION size.

  • Page 174: Led Test

    LED Test Purpose To check all LEDs on operation panel by lighting. Procedure Operations: The display shows: To bring the LCD up to the desired message, TECH. PROGRAMMING ? press SELECT FUNCTION key once and COPY ← → YES( /1-4) key twice in the standby mode.

  • Page 175: Tone Send Test

    Tone Send Test Purpose To send the G3 tonal frequencies to the line. Procedure Operations: The display shows: To bring the LCD up to the desired message, 1:SELF DIAGNOSIS press SELECT FUNCTION key once, COPY ← → YES( /1-8) ← key twice and key twice.

  • Page 176: High-Speed Modem Send Test

    High-speed Modem Send Test Purpose To check the telephone line quality in combination with a remote station programmed to the high-speed modem receive test mode. Procedure Operations: The display shows: To bring the LCD up to the desired message, 1:SELF DIAGNOSIS press SELECT FUNCTION key once, COPY ←...
  • Page 177 TX Side RX Side 5:MODEM SEND TEST 6:MODEM REC TEST ← → YES( /1-8) ← → YES( /1-8) ← ← Press key. Press key. CML relay operates. CML relay operates. The display shows: 5:MODEM SEND TEST " Training MODEM rate The display shows: (e.g.

  • Page 178: High-Speed Modem Receive Test

    6.10 High-speed Modem Receive Test Purpose To check the telephone line quality in combination with a remote station programmed to the high-speed modem send test mode. Procedure Operations: The display shows: To bring the LCD up to the desired message, 1:SELF DIAGNOSIS press SELECT FUNCTION key once, COPY ←...

  • Page 179: Mf Send Test

    6.11 MF Send Test Purpose To send the multi-frequencies of tone dialling to the line. Procedure Operations: The display shows: To bring the LCD up to the desired message, 1:SELF DIAGNOSIS press SELECT FUNCTION key once, COPY ← → YES( /1-8) ←...

  • Page 180: Tone (Tel/Fax)

    6.12 Tone (TEL/FAX) Purpose To check the pseudo-ring back tone of TEL/FAX automatic switching. Procedure Operations: The display shows: To bring the LCD up to the desired message, 1:SELF DIAGNOSIS press SELECT FUNCTION key once, COPY ← → YES( /1-8) ←...

  • Page 181: Protocol Dump Data Printing

    6.13 Protocol Dump Data Printing Purpose To analyze the transmitted/received G3 protocol signals. Procedure • Manual print-out of the last communication. (a) Manual print-out Operations: The display shows: 14:14 [FAX] Press SELECT FUNCTION key, provided FUNCTION (Standby) that the service bit is ON. SELECT FUNCTION (OT) MEMORY AVAIL.=100% Press one-touch key No.6...
  • Page 182 Dump data description 1) Data sample Figure shows the printed data as a sample. PROTOCOL DUMP 07/01/98 09:21 ID=OKI SHIBAURA DATE TIME S,R-TIME DISTANT STATION ID MODE PAGES RESULT 07/01 09:16 00'46" OKI HONJO CALLING 0000 C2 C4 FD F4...
  • Page 183 Analysis from the data The printed out data permits to analyze G3 facsimile communication protocol signals between two facsimile machines. Figure 6.13.2 shows the result of an analysis on the printed data referring to Figure 6.13.1 (Protocol dump data). (Transmitter) (Receiver) Dialling Ringing signal...
  • Page 184 FCF (Facsimile Control Field) conversion table Table 6.13.1 shows all FCF signals which are needed to analyze the printed out protocol dump data. Some signals have two different hexadecimal codes in accordance with the calling party or called party. Table 6.13.1 FCF Signals Conversion Table Abbreviation Hex.

  • Page 185: System Reset

    6.14 System Reset Purpose To clear or initialize the following data: (a) Location data (b) Configuration data (default) Procedure Operations: The display shows: Press SELECT FUNCTION key, COPY key twice. TECH. PROGRAMMING (In case of no message in the memory) ←...

  • Page 186: Service Code

    6.15 Service Code The service code can be printed on Activity Report to recognize the result of each communi- cation. The activity report indicates the code ”0000", should a communication terminates on normal status as a service code. The activity report indicates one of the codes of “90XX”, should a communication terminates on abnormal status, as an error code.
  • Page 187 Table 6.15.1 (1/2) Service Code List Code Description 0000 Successful end of communication. 1080 STOP key has been pressed while calling a remote fax. 10A2 Busy tone detected. 14C0 Dial tone not detected. 14C1 Line current not detected. 14C2 Calling-and-waiting for line connection time out. 14C3 Dialling limit time out.
  • Page 188 Table 6.15.1 (2/2) Service Code List Code Description 39C1 DECODER hardware error. (cannot detect end of picture) 41A0 There was no response each time in response to the three post commands. 41A6 Received signal other than the desired signal in responce to the post command. 41A9 Fall back in Phase C is not possible.
  • Page 189 CHAPTER 7 TROUBLESHOOTING AND REPAIR OKIFAX 5400 40838301TH Rev.1...
  • Page 190 40838301TH Rev.1 7 - 0...
  • Page 191 This chapter contains: (a) Troubleshooting flow charts related to general operations (b) Troubleshooting flow charts by test operations Troubleshooting flow charts placing an emphasis on mechanical portions Section Name of Flow Chart Page Overall troubleshooting flow chart No LCD operation ALARM LED on Printing test failure No local copy...

  • Page 192: Overall Troubleshooting Flow Chart

    ALARM LED lights? Go to 7.3 (ALARM LED on). Key operation activates Replace MCNT and/or OPE unit. the OKIFAX 5400 (Pressing SELECT FUNCTION key causes "SELECT FUCTION (OT) MEMORY AVALI=100%" to appear on LCD? Pressing STOP key makes a key touch-tone?) Note *: OPT-RAM "OK"...

  • Page 193: No Lcd Operation

    No LCD Operation Start TIME on LCD? AC power switch ON? Turn ON power switch. SUB +5V at Pin 1 of CN16 (MCNT)? Check SPSU, MCNT boards and their connectors. SUB +5V at Pin 6 and 7 of CN1 (05W)? Replace 05W Solved? Replace MCNT...

  • Page 194: Alarm Led On

    ALARM LED On Start Checking Points: Communication error? "COVER OPEN" on LCD? Press STOP key. "PRINTER ALARM i" alarm? ALARM LED goes off? "PAPER JAM" alarm? "NO PAPER" alarm? Go to 7.22 (Printer unit). "TONER LOW" alarm? Return to section 7.1 1.

  • Page 195: Printing Test Failure

    Printing Test Failure Start Perform SELF DIAGNOSIS. Print test OK? Replace MCNT Board Solved? Return to section 7.1 Go to 7.22 (printer unit) 40838301TH Rev.1 7 - 5...

  • Page 196: No Local Copy

    No Local Copy Checking Points: Start Printing function of Go to 7.4 (Printing test failure). self-diagnosis is OK? Load a document. The document is fed by any length? 1. Check PC1. 2. Replace MCNT board. 3. Check the mechanical portion. (Scan motor, etc.) The document is fed by about 7cm and stops with...

  • Page 197: Auto Dial Failure

    Replace MCNT Board. code Note 1: If you do not have any other fax machine (OKIFAX 5400) for testing, follow this route. Then, if the problem is unsolved, return to the main route. Return to section 7.1 Note 2: NCU Board is shown as UNC for US version, WN5 for INT’L version, DN5...

  • Page 198: Transmission Problem

    Transmission Problem This section explains how to localize the cause of problems occurred after completion of connection with a remote station. Start Step 1: Set MH ONLY (Technical function No. 13) to ON. Solved? Step 2: Set HIGH-SPEED MODEM RATE (Technical function No.
  • Page 199 Test other fax machine under the same conditions, especially concerning Step 1-4. Do they transmit normally? Check the line and the network. The hardware of the troubled fax machine may be damaged. Go to 7.13 (High-speed Modem Test) to localize the cause. Note : Even if the high-speed modem test results in success, 300 bps signal route remains unchecked.

  • Page 200: Auto Reception Failure

    Auto Reception Failure Start Manual reception OK? Your handset telephone Placed in the auto receive rings when a call arrives? mode? If not, place the 1. Check the handset fax machine in that mode of telephone set. by pressing AUTO REC key. 2.

  • Page 201: Reception Problem

    Reception Problem This section explains how to localize the cause of problems occurred after completion of connection with a remote station. Start Step 1: Set MH ONLY (Technical function No. 13) to ON. Solved? Step 2: Set HIGH-SPEED MODEM RATE (Technical function No.
  • Page 202 Test other fax machine under the same conditions, especially concerning step 1-4. Do they receive normally? Check the line and the network. The hardware of the troubled fax machine may be damaged. Go to 7.13 (High-speed Modem Test) to localize the cause. Note : Even if the high-speed modem test results in success, 300 bps signal route remains unchecked.

  • Page 203: Sensor Calibration Test

    7.10 Sensor Calibration Test Start Perform SENSOR CALI- Checking Points: BRATION. (See Chapter 6.6) "SCANNING ERROR" appears on LCD while adjusting for level. Check that white plain bond paper of NA Letter size or A4 is loaded on the f eeder.

  • Page 204: Led Test

    7.11 LED Test Start Checking Points: Perform LED TEST. (See Chapter 6.7) All LEDs light? No (No LED lights) Any LED does not light? Yes (One LED or some LEDs light.) 1. Check the connection cable. 2. Check the oscillator OSC (OPE). 3.

  • Page 205: Tone Send Test

    7.12 Tone Send Test Start The tonal frequency (2100 Hz) will be sequentially Note 1: sent for 5 seconds on the line terminals L1 and L2. Perform TONE SEND TEST. (See Chapter 6.8.) As an example, signal route uses the WN5 (NCU) Note 2: board.

  • Page 206: High-Speed Modem Test

    7.13 High-speed Modem Test Start Connect oscilloscope probe across the line terminals L1 and L2 Perform H-MODEM SEND TEST for the transmitter and H-MODEM REC TEST for the receiver. (See Fig. 6.9.1) Which mode, TX or RX? Modem’s signal appears across L1 and L2? TX End Modem’s signal appears...
  • Page 207 RX (Receiver) The error counter of LCD stops counting up? RX End Receive signal appears across L1 and L2? Check the line. Receive signal appears across CN3-19, 20 (R) and CN3-7 (GND) of NCU board? Replace MCNT Board. Signal route: CN6-A6, B6 (R)→IC12-3→...

  • Page 208: Mf Send Test

    7.14 MF Send Test Start Connect oscilloscope probe across the line terminals L1 and L2. Perform MF SEND TEST. (See 6.11.) MF signal appears across L1 and L2? MF signal appears across CN6-A8, B8 (S) and CN6-A12, B12 (0V) of MCNT Board? Replace MCNT Board.

  • Page 209: Tone (Tel/Fax) Send Test

    7.15 Tone (TEL/FAX) Send Test Start Note: The pseudo-ring back tone is sent to the Connect oscilloscope probe telephone line for TEL/FAX automatic across the line terminals switching. L1 and L2. Perform TONE (TEL/FAX) SEND TEST. (See 6.12.) Pseudo-Ring Back Tone signal appears across L1 and L2? MF signal appears across CN6-A8, B8...

  • Page 210: No Acoustic Line Monitor

    7.16 No Acoustic Line Monitor There are two source routes of acoustic line monitor: General communication signal DP pulse signal Start MONITOR VOLUME (Function program No. 06) Set MONITOR VOLUME has been set to to LOW or HIGH. LOW or HIGH? Yes (OFF) MONITOR CONTROL (Technical function No.

  • Page 211: Power Supply Unit

    7.17 Power Supply Unit Start Turn on AC power. Primary Circuit Protection. F2 blows when SW is See ACTION 1. turned ON? Secondary Circuit Protection. F3 blows when SW is See ACTION 2. turned ON? Low-voltage Selection. Is 30V output voltage lower or higher than the See ACTION 3.
  • Page 212 No +/-8V output See ACTION 5. voltages are provided. Is 5V output voltage higher or lower than the See ACTION 6. specified value? See ACTION 7. No 5V output is provided. No 5V output is provided. See ACTION 8. High-voltage Selection. Is SB2 (+450V) output See ACTION 9.
  • Page 213 No DB1/DB2 output See ACTION 10. voltages are provided. No CB (+400V) output See ACTION 10. voltage is provided. Is TR1 (+1KV) current in the CC (Constant Current) See ACTION 11. mode smaller or lager than the specified value? No current in the CC See ACTION 12.
  • Page 214 Is CH (-1.3KV) output voltage lower or higher See ACTION 15. than the specified value? No CH output voltage See ACTION 16. is provided. Does heater remain See ACTION 17. in ON or OFF state? 40838301TH Rev.1 7 - 24...
  • Page 215 ACTION Item: ACTION Probable cause 1: A double AC voltage is applied (200V is applied to a 120V transformer). Check item 1: Check the input AC voltage. Probable cause 2: A short-circuit between lines after F2. Check item 2: Check the pattern on PCB and T1. Probable cause 2: Short-circuit in 30V output circuit.
  • Page 216 ACTION Item: ACTION Probable cause 1: D85 is defective. Check item 1: Replace D85. Probable cause 2: The load is larger than the normal value. Check item 2: Check if the load current is 2µA or less. Probable cause 3: D52 is defective. Check item 3: Check if D52 is iZ300 class Y or Z (class X is not acceptable).
  • Page 217 ACTION Item: ACTION 16 Check item 1: Check the PWM waveform of CH (cycle: 42µs, ON time: 36µs). 17 Probable cause 1: D1 is detective. Check item 1: Check if both D1 and T1 or D1 and T2 are shorted. Probable cause 2: The D1 drive circuit is defective.

  • Page 218: No Document Feeding

    7.18 No Document Feeding Note : This section places an emphasis on troubleshooting of mechanical portions. Therefore, it is recommended to replace the MCNT Board first and, then if not solved, follow this flow chart. Checking Points: Start Load a document(s). Check PC1 and the scan motor.

  • Page 219: Multiple Document Feeding

    7.19 Multiple Document Feeding Definition: Multiple document feeding. Multiple documents are not separated and they are fed in the same one feeding operation. Start The leading edges of the Align them. documents are aligned? The separation rubber Clean it. is dirty? After pushing the Check the ADF spring, separation rubber assembly,...

  • Page 220: Document Skew

    7.20 Document Skew Start 1. Set the guides to meet Are the document guides set to meet the the document width. document width? 2. Load the documents Are the documents straightly loaded along straight along the guides. the guides? The documents have Load documents by the same width? meeting the same width.
  • Page 221 Clean it. Is separation rubber dirty? Are pinch rollers pressed normally by the springs? (After pushing them by fingers, Set them properly. do they return back to the original positions?) Clean them. Are feed rollers dirty? Are feed rollers Replace it. worn or slippery? Is ADF roller or the Clean it.

  • Page 222: Document Jam

    7.21 Document Jam Note: E17, E17-2, E17-3, and E17-4 board for Start OKIFAX 5400 are shown as MCNT. Load a document. 1. Check PC1. Is document fed by 2. Replace MCNT Board. any length? 3. Check the mechanical portion. (Scan motor, etc.) See 7.18 for further details.

  • Page 223: Printer Unit

    7.22 Printer Unit 7.22.1 Precautions 1. Points to check before correcting image troubles (1) Is the printer being run in proper ambient conditions? (2) Have the supplies (toner) and the routine replacement part (ID unit) been replaced properly? (3) Is the recording paper normal? (4) Has the ID unit been loaded properly? 2.

  • Page 224: Troubleshooting Flow Charts Of Printer Unit

    7.22.2 Troubleshooting Flow Charts of Printer Unit Overall troubleshooting flow chart: Troubles Troubles indicated Troubleshoot Perform detailed by LCD message according to the LCD troubleshooting with message trouble list. one of troubleshooting See Table 7.22.1 from chart 1 to 7. Image troubles Troubleshoot Perform trouble-...
  • Page 225 Troubleshooting flow chart 1: Cover (copy stacker) is open. ** COVER OPEN ** Close the cover (Scan unit). Solved? If the FAN motor See ACTION 1. halted? Is the cover open switch Connect the cover open connector out of position? switch connector.
  • Page 226 Troubleshooting flow chart 2: Warning message to replace ID unit because of its life. ** CHANGE DRUM SOON ** Turn on power again. Does the CHANGE See ACTION 3. DRUM SOON message remain on display? Is the MCNT Board Mount it properly. mounted properly? See ACTION 4.
  • Page 227 Troubleshooting flow chart 3: Engine controller error (ROM/RAM error) ** PRINTER ALARM 2 ** Turn on power again. Does the PRINTER See ACTION 5. ALARM 2 message remain on display? See ACTION 6. Troubleshooting flow chart 4: Fan motor rotation error ** PRINTER ALARM 3 ** Open the cover, then close.
  • Page 228 Troubleshooting flow chart 5: Fuser unit thermal error ** PRINTER ALARM 4 ** Turn on power again. Is the PRINTER ALARM 4 message See ACTION 9. displayed with a delay? About 60 seconds later See ACTION 6. Turn on power again. Is the fuser unit heater See ACTION 9.
  • Page 229 Troubleshooting flow chart 6: Recording paper feed jam, transport jam, ejection jam, recording size error REPLACE PAPER & "STOP". Is the paper cassette Load it properly. loaded properly? Is the paper of Replace with paper of the specified size? specified size. Does the same error Remove the jammed occur many times?
  • Page 230 Troubleshooting flow chart 7: No recording paper cassette or not recording paper No recording paper cassette or not recording paper ** NO PAPER ** REPLACE PAPER Has the paper Load it. cassette been loaded? Is recording paper Load recording paper. out? See ACTION 16.
  • Page 231 POWER SUPPLY UNIT. Check thermister (resistance of about 100 kilo ohms at room temperature and about 1.5 kilo ohms at high temperature), POWER SUPPLY UNIT. Note : E17-8 board for OKIFAX 5400 are shown as MCNT. 40838301TH Rev.1 7 - 41...
  • Page 232 Table 7.22.3 Image Troubles Reference Troubleshooting Abnormal Symptom Figure Flow Chart No. Images are light or blurred as a whole. Fig. The blank background is smeared. Fig. Blank paper is output. Fig. Black belts or black stripes in vertical direction. Fig.
  • Page 233 Troubleshooting flow chart 8: Images are light or blurred as a whole. Is toner low? Supply toner. Use paper of OKI Is paper of OKI specified grade. specified grade? Are fingerprints or dirts adhering or moisture- Replace the paper. absorbing to the paper? Is the lens surface of the Clean the lens.
  • Page 234 Troubleshooting flow chart 9: The blank background is smeared. Has the Image Drum been Close and wait for about exposed to external light? 15 minutes. Is the heat roller of the Clean it. fuser unit dirty? Is the contact of the cleaning roller Adjust the contact of the of the ID unit in contact cleaning roller to contact...
  • Page 235 Troubleshooting flow chart 11: Black belts or stripes in the vertical direction. Replace the ID Unit End. Solved? Replace the LED print head or Power Supply Unit. 40838301TH Rev.1 7 - 45...
  • Page 236 Troubleshooting flow chart 12: Periodic abnormal printing Developing roller (inside ID unit) 1.66" (44.4 mm) failure. period? Replace or clean the ID unit. EP drum (inside ID unit) 3.71" (94.2 mm) failure. period? Replace the ID unit. Tonner supply roller 2.27"...
  • Page 237 Troubleshooting flow chart 13: Some parts not printed Is the print paper folded, Replace the paper. bent, or scratched? Is the transfer roller Clean it. dirty? Check ID unit or Power Supply Unit. 40838301TH Rev.1 7 - 47...
  • Page 238 Troubleshooting flow chart 14: White belts or streakes in the vertical direction Is the lens surface of the Clean the lens. LED print head dirty? Is the contact plate of the transfer Make proper contact of the roller in contact with the contact contact plate with the contact assembly properly? assembly.
  • Page 239 Troubleshooting flow chart 15: Poor fusing Use paper of OKI Is the paper OKI specified grade. specified grade? Repair the pressure Is the pressure roller roller spring. spring normal? Is the contact of the fuser Adujust the contact of the...

  • Page 240: Dipswitchs Setting Tables

    CHAPTER 8 DIPSWITCHS SETTING TABLES 40838301TH Rev.1...
  • Page 241 (Setting as of September 17, 1998) Each country's hardware parameters comparison table. OKIFAX 5400 Dip-switch Sweden Finland Ireland Portugal Australia Remarks Netherlands Zealand Cascade connection Ring impedance DC loop resistance Ring sensitivity adjustment Dip-switch Belgium Spain Greece Italy Norway Denmark...
  • Page 242 1 Sweden (40044301) This section gives the following instruction. • DIP switch setting • Instructions of marking with red oil ink. • Put short-plug (40095701) into designated connector. For detail, see the figure below. Put short-plug (40095701) into connector indicated "275". Magnified figure Marking a portion "S"...
  • Page 243 2 Finland (40044302) This section gives the following instruction. • DIP switch setting • Instructions of marking with red oil ink. • Put short-plug (40095701) into designated connector. For detail, see the figure below. Put short-plug (40095701) into connector indicated "600". Magnified figure Marking a portion "SF"...
  • Page 244 3 Holland (40044303) This section gives the following instruction. • DIP switch setting • Instructions of marking with red oil ink. • Put short-plug (40095701) into designated connector. For detail, see the figure below. Put short-plug (40095701) into connector indicated "600". Magnified figure Marking a portion "NL"...
  • Page 245 4 Ireland (40044304) This section gives the following instruction. • DIP switch setting • Instructions of marking with red oil ink. • Put short-plug (40095701) into designated connector. For detail, see the figure below. Put short-plug (40095701) into connector indicated "600". Magnified figure Marking a portion "IRL"...
  • Page 246 5 Portugal (40044305) This section gives the following instruction. • DIP switch setting • Instructions of marking with red oil ink. • Put short-plug (40095701) into designated connector. For detail, see the figure below. Put short-plug (40095701) into connector indicated "600". Magnified figure Marking a portion "P"...
  • Page 247 6 New Zealand (40044306) This section gives the following instruction. • DIP switch setting • Instructions of marking with red oil ink. • Put short-plug (40095701) into designated connector. For detail, see the figure below. Put short-plug (40095701) into connector indicated "370". Magnified figure Marking a portion "NZ"...
  • Page 248 7 Australia (40044307) This section gives the following instruction. • DIP switch setting • Instructions of marking with red oil ink. • Put short-plug (40095701) into designated connector. For detail, see the figure below. Put short-plug (40095701) into connector indicated "220". Magnified figure Marking a portion "AUS"...
  • Page 249 8 Belgium (40044308) This section gives the following instruction. • DIP switch setting • Instructions of marking with red oil ink. • Put short-plug (40095701) into designated connector. For detail, see the figure below. Put short-plug (40095701) into connector indicated "600". Magnified figure Marking a portion "B"...
  • Page 250 9 Spain (40044309) This section gives the following instruction. • DIP switch setting • Instructions of marking with red oil ink. • Put short-plug (40095701) into designated connector. For detail, see the figure below. Put short-plug (40095701) into connector indicated "600". Magnified figure Marking a portion "E"...
  • Page 251 10 Greece (40044310) This section gives the following instruction. • DIP switch setting • Instructions of marking with red oil ink. • Put short-plug (40095701) into designated connector. For detail, see the figure below. Put short-plug (40095701) into connector indicated "600". Magnified figure Marking a portion "GR"...
  • Page 252 11 Italy (40044312) This section gives the following instruction. • DIP switch setting • Instructions of marking with red oil ink. • Put short-plug (40095701) into designated connector. For detail, see the figure below. Put short-plug (40095701) into connector indicated "600". Magnified figure Marking a portion "I"...
  • Page 253 12 Norway (40044313) This section gives the following instruction. • DIP switch setting • Instructions of marking with red oil ink. • Put short-plug (40095701) into designated connector. For detail, see the figure below. Put short-plug (40095701) into connector indicated "600". Magnified figure Marking a portion "N"...
  • Page 254 13 Denmark (40044314) This section gives the following instruction. • DIP switch setting • Instructions of marking with red oil ink. • Put short-plug (40095701) into designated connector. For detail, see the figure below. Put short-plug (40095701) into connector indicated "600". Magnified figure Marking a portion "DK"...
  • Page 255 (Setting as of September 17, 1998) Each country's hardware parameters comparison table. OKIFAX 5400 Dip-switch Germany Switzer- Austria Remarks land Cascade connection Not used Ring impedance Ring sensitivity adjustment Impedance matching switch Receiving Gain (for Paralle pickup) Receiving Gain Each country's hardware parameters comparison table.
  • Page 256 1 German (40044101) This section gives the following instruction. • DIP switch setting • Instructions of marking with red oil ink. For detail, see the figure below. 1 2 3 4 Magnified figure A C H Marking a portion "D" with red oil ink. 40838301TH Rev.1 8 - 16...
  • Page 257 2 Switzerland (40044102) This section gives the following instruction. • DIP switch setting • Instructions of marking with red oil ink. For detail, see the figure below. 1 2 3 4 Magnified figure A C H Marking a portion "CH" with red oil ink. 40838301TH Rev.1 8 - 17...
  • Page 258 3 Austria (40044103) This section gives the following instruction. • DIP switch setting • Instructions of marking with red oil ink. For detail, see the figure below. 1 2 3 4 Magnified figure A C H Marking a portion "A" with red oil ink. 40838301TH Rev.1 8 - 18...
  • Page 259 1 United kingdam (40044401) This section gives the following instruction. • DIP switch setting • Instructions of marking with red oil ink. • Setting connector (40095601) For detail, see the figure below. COMON Connect these two connectors (COMON and UK) with the cable 40095601.
  • Page 260 2 France (40044402) This section gives the following instruction. • DIP switch setting • Instructions of marking with red oil ink. • Setting connector (40095601) For detail, see the figure below. COMON Connect these two connectors (COMON and F) with the cable 40095601. Magnified figure Marking a portion "F"...
  • Page 261 TEL-W2 (1/2) (Setting as of September 17, 1998) Each country's hardware parameters comparison table. OKIFAX 5400 Dip-switch Sweden Finland Ireland Portugal Australia Remarks Zealand Netherlands Balancing Network Impedance Matching DC Resistance Impedance Setting Sending Frequency Setting Sending Level Setting Not Used...
  • Page 262 TEL-W2 (2/2) (Setting as of September 17, 1998) Each country's hardware parameters comparison table. OKIFAX 5400 Dip-switch Spain Greece Switzer- Austria Remarks land Balancing Network (Side-tone Setting) Impedance Matching Setting DC Resistance Impedance Setting Sending Frequency Setting Sending Level Setting...
  • Page 263 TEL-W1 (Setting as of September 17, 1998) Each country's hardware parameters comparison table. OKIFAX 5400 Dip-switch United Italy Denmark Norway Belgium Remarks Kingdom Balancing Network (Side Tone Setting) Impedance Matching Setting MF-tone Level Setting Seding Level Setting MF-tine Level Setting...
  • Page 264 NTIF Each country's hardware parameters comparison table: Dip-sw 3 Setting Table (U.K.) Dip-sw 3 Setting Table (Except U.K.) Setting Remarks Setting Remarks Route change Route change Not used Not used 40838301TH Rev.1 8 - 24...

  • Page 265: Appendix A

    Appendix A PC Board Descriptions and Operation (OKIFAX 5400) First Edition August, 1999 Oki Data Corporation 40838301TH Rev.1...
  • Page 266 NTIF (NCU and TEL interface) Circuit Diagram (option) ........ A3-65 A3.7 MEMO (memory) Circuit Diagram ..............A3-66 A3.8 CTR (PC interface unit) Circuit Diagram (option) ........... A3-68 A3.9 TQSB (second tray) Circuit Diagram (option) ..........A3-71 A3.10 OKIFAX 5400 Facsimile Transceiver ............... A3-72 40838301TH Rev.1...
  • Page 267 PREFACE This manual has been designaed to provide basic information concerning the electric section for the component-level maintenance of the OKIFAX 5400 series facsimile transceiver. It includes such information which will help maintenance personnel to understand the circuit operations. This manual will also provide the reader information concerning the functions of units and the relationships among the units which will assist you in conducting unit-level maintenance.

  • Page 268: A1.1 Unit Configuration And Block Diagram

    GENERAL A1.1 Unit Configuration and Block Diagram The unit configuration of the OKIFAX 5400 is as follows: Cabinet Assembly Cabinet Assembly Control Panel Assembly Printer Assembly Paper Guide Assembly Base Assembly Scan unit Option Telephone Figure A1.1.1 Unit Configuration Main control board (E17-)
  • Page 269 GENERAL 40838301TH Rev.1 A1 - 2...
  • Page 270 GENERAL Meaning of abbreviations used in Block Diagram : Analog-to-digital converter : Amplifier BATT : Battery : Connector number i : Central processing unit D-MOTOR : Drum motor : Motor drive DRAM : Dynamic random-access memory EXSEED : Image proccessing gate array : Fan motor FLASH : Flash memory...

  • Page 271: A1.2 Function Of Each Unit

    GENERAL A1.2 Function of Each Unit The section describes the principal functions of the individual units of the OKIFAX 5400 electrical sections. Figure A1.2.1 shows the pertinent block diagram. E17 board • CPU (208P-QFP) Printer control OST-EX Buffer 640 kbytes...
  • Page 272 GENERAL NCU board UNC5 ------- For US and Canada WN5 --------- For Denmark, Norway, Sweden, Finland, The Netherlands, ireland, portugal, New Zealand, Australia, Belgium, Spain, Greece and Other countries DN5 ---------- For Germany, Switzerland and Austria FN5 ---------- For France and UK •...
  • Page 273 GENERAL (11) TEL-W2 board (Option): For Sweden, Finland, The Netherlands, Ireland, Portugal, New Zealand, Australia, Belgium, Spain, Greece, Switzerland and Aus- tria. • Basic speech functions included. • Separate receive pre-amp with signal output terminal. • Separate receive power amp input terminal, because it is possible to mix input. •...

  • Page 274: A2.1 Explanation Of Signal Flow

    SIGNAL FLOW A2.1 Explanation of Signal Flow Copy Mode Figure A2.1 shows the picture signal route in local copy mode One-line picture data is transferred to A/D converter (analog/digital) via operational amplifier from the scanning unit (CIS: contact image sensor) as an analog data. After conversion from analog data to 6-bit digital data by A/D converter, the picture data is sent to IEXSEED (image processing LSI) and SRAM.
  • Page 275 SIGNAL FLOW 300bps Receive Mode Figure A2.5 shows 300bps receive protocol signal route In G3 communication, this is the route of the procedual control signals (pre-message, post- message phases etc.) at 300bps. The 300bps modulated signals received via the telephone line L1 and L2 of the NCU are sent from pin R to pin RXA1 of the modem.
  • Page 276 SIGNAL FLOW 40838301TH Rev.1 A2 - 3...
  • Page 277 SIGNAL FLOW 40838301TH Rev.1 A2 - 4...
  • Page 278 SIGNAL FLOW 40838301TH Rev.1 A2 - 5...
  • Page 279 SIGNAL FLOW 40838301TH Rev.1 A2 - 6...
  • Page 280 SIGNAL FLOW 40838301TH Rev.1 A2 - 7...
  • Page 281 SIGNAL FLOW 40838301TH Rev.1 A2 - 8...

  • Page 282: A3.1 M17 Circuit Diagram

    A3.1 E17 Circuit Diagram A3.1.1 E17 Circuit Diagram Block diagram The circuit diagram shown on page 1/16 consists of CPU, crystal oscillator circuit and main reset signal generator. Figure A3.1.1 shows the block diagram of CPU and the peripheral circuits. CPU (HG72C706H01FD) is newly developed LSI for scanning, printing control and provided with a built-in CPU.
  • Page 283 Data/Address bus Address bus Initial Reset Circuit +5 V POWRDY-N XTAL 20 MHz EXTAL CK (20 MHz) LED head Various sensor 300dpi CPU (208P-QFP Printer control OST-EX IEXSEED300 Buffer 640bytes D-motor DEC,(REL, TIFF, R-motor ACC) 200-300/300-200 FlashMEM/ Speaker conversion DRAM Smoothing High-voltage control MEM (option)
  • Page 284 A3.1.2 E17 Circuit Diagram Block diagram The circuit diagram shown on page 2/16 consists of Flash memory, Mask ROM, IC3 (Real time clock IC) and Back up battery circuit. Figure A3.1.2 shows the block diagram of Flash memory, Mask ROM and Real time clock. Function Flash memory (FLS) Flash memory (electrically erasable and programmable device) is used for the main...

  • Page 285: A3.1.3 E17 Circuit Diagram (Page 3/16)

    A3.1.3 E17 Circuit Diagram Block diagram The audio monitor circuit on page 3/16 that consists of IC11 (analog switch IC) and IC5 (amplifier) generates the following audio monitor. • Line monitoring • Buzzer signals Figure A3.1.3 shows the block diagram of audio monitor circuit. Function Line monitoring Send and receive signals are input from the transformer on the NCU board to this...

  • Page 286: A3.1.4 E17 Circuit Diagram (Page 4/16)

    A3.1.4 E17 Circuit Diagram Block diagram The circuit diagram shown on page 4/16 consists of the following function: • IC6 (A/D converter) and amplifier • 30 V/24 V conversion circuit • Connector CN10 that provides an interface between E17 board and CIS (contact image sensor).

  • Page 287: A3.1.5 E17 Circuit Diagram (Page 5/16)

    A3.1.5 E17 Circuit Diagram Block diagram The circuit diagram shown on page 5/16 consists of the IEXSEED300 (image processing LSI) of IC20 and SRAM. Figure A3.1.5 shows the related signals of IEXSEED300. Functions IEXSEED300 is developed LSI for the image processing. IEXSEED300 contains the following functions: •...

  • Page 288: A3.1.6 E17 Circuit Diagram (Page 6/16, 7/16, 16/16)

    A3.1.6 E17 Circuit Diagram Block diagram The circuit diagram shown on page 7/16 consists of connector CN15 that provides an interface between E17 board and the Modem board S34, V34 or T34 (option). The circuit diagram shown on page 6/16 consists of Modem (14.4 kbps). The circuit diagram shown on page 16/16 consists of Modem (V34 modem, 28.8 kbps).

  • Page 289: A3.1.7 E17 Circuit Diagram (Page 8/16)

    A3.1.7 E17 Circuit Diagram Block diagram The circuit diagram shown on page 8/16 consists of the following connectors: • Connector CN6 that provides an interface between E17 board and NCU board. • Connector CN7 that provides an interface between E17 board and external electro- mechanical devices (PC1 and PC2).
  • Page 290 A8, B8 Receiving A4, B4 sensitivity Modem control A6, B6 Relay driver circuit MUTE PBXE B1, B2 to OPE Hook-up signal detection circuit to OPE RI-N Ringing signal detection circuit Figure A3.1.7 Interface between E17 Board and NCU Board KSCAN0 X’tal KSCAN7 Key switch...
  • Page 291 to OPE PC1-N PC2-N PC1V (+5 V) to OPE PC1G (0 V) Note: PC1 (presence of document on hopper) PC2V (+5 V) PC2 (presence of document at scanning position) PC2G (0 V) Figure A3.1.9 Related Signals of PC1/PC2 40838301TH Rev.1 A3 - 10...

  • Page 292: A3.1.8 E17 Circuit Diagram (Page 9/16)

    A3.1.8 E17 Circuit Diagram Block diagram The circuit diagram shown on page 9/16 consists of connector CN2 that provides an interface between E17 board and LED print head. Figure A3.1.10 shows the related signals and block diagram of LED print head. Function Data of 1664 LEDs on the LED print head is loaded into the shift registers by the HCLCK (6.67 MHz) signal.

  • Page 293: A3.1.9 E17 Circuit Diagram (Page 10/16)

    A3.1.9 E17 Circuit Diagram Block diagram The circuit diagram shown on page 10/16 consists of the following functions and connectors: • IC21 (Send motor drive) • Connector CN5 that provides an interface between E17 board and the send motor. Figure A3.1.11 shows the related signals of the send motor. Function Send motor rotaion and chopper control Send motor drive signals are generated by the IEXSEED300 and output to send motor...
  • Page 294 A3.1.10 E17 Circuit Diagram Block diagram The circuit diagram shown on page 11/16 consists of the following functions and connectors: • IC9 (Drum motor driver) • IC22 (Resist motor driver) • Connector CN3 that provides an interface between E17 board and the resist motor. •...

  • Page 295: A3.1.11 E17 Circuit Diagram (Page 12/16)

    A3.1.11 E17 Circuit Diagram Block diagram The circuit diagram shown on page 12/16 consists of the following connectors: • Connector CN11 that provides an interface between E17 board and the fan motor. • Connector CN14 that provides an interface between E17 board and the second tray (option).
  • Page 296 2’nd tray (option) X’tal 4 MHz Transistor CN14 CN1 OPSDR-N CPU: LC6543 Motor ROM: 2 k x 8 bit RAM: 128 x 4 bit OPCLK-N (156.25 kHz) Motor drive OPSD-N 0 VP 0 VP +30 V +30 V +5 V +5 V SGND SGND...

  • Page 297: A3.1.12 E17 Circuit Diagram (Page 13/16)

    A3.1.12 E17 Circuit Diagram Block diagram The circuit diagram shown on page 13/16 consists of the following connector: • Connector CN1 that provides an interface between E17 board and main power supply unit. Function Sensors and switch control Six types of sensors are used in the printer as listed below. All of their output enter CPU ports for referring to and processing by the CPU.
  • Page 298 1VP/2VP (Power supply unit) Cover open SW CVOPN-N Outlet sensor PSOUT-N WRSNS-N Write sensor PSIN-N Inlet sensor PAPER-N Paper sensor PSIN2-N Inlet sensor 2 TONER-N Toner sensor Figure A3.1.15 Sensors and Switch Control 40838301TH Rev.1 A3 - 17...
  • Page 299 Fuser unit temperature control The heater in the fuser unit is controlled by the thermister, CPU to keep the heater roller surface within a prescribed temperature range. The CPU supervises the status of the port THCHK periodically, turning HEATON signal on and off according to CPU of THCHK (A/D converter input section) status to exercise temperature control.
  • Page 300 High-voltage and medium-voltage control High voltages are activated by CPU and generated by the high-voltage circuit inside the power supply unit. The CH (charge) voltage of about -1.35 kV is used for the charge roller. The TR1/TR2 (transfer) voltage of about +3.5 kV/-0.75 kV is used for the transfer roller.
  • Page 301 A3.1.13 E17 Circuit Diagram Block diagram The circuit diagram shown on page 14/16 consists of the following connector: • Connector CN13 that provides an interface between E17 board and optional memory board. • Connector CN12 and CN17 that provides an interface between E17 board and CTR (PC interface) board.
  • Page 302 Transceiver CN17 20pin PD0-PD7 PD0-PD7 Busy nAck PError Busy Select Driver nAck nFault to PC PError nStrobe Select nInit nFault nSelectIn nAutoFd Receiver nStrobe BREQ nInit BACK nSelectIn nAutoFd nStrobe nSelectIn nAutoFd BREQ-I BREQ BREQ-O BACK BACK-I BACK-O RD/WRT/CASL/RMCS RD/WRT/CASL/RMCS AD0-AD7 AD0-AD7 AD8-AD15...
  • Page 303 A3.1.14 E17 Circuit Diagram Block diagram The circuit diagram shown on page 15/16 consists of the following functions and connectors: • RAM2 to RAM5 Figure A3.1.20 shows the block diagram of DRAM. Function DRAM 1 M x 16 bit DRAM x 2 (RAM2 and RAM3) •...

  • Page 304: A3.2 Ope (O5W) Circuit Diagram

    A3.2 OPE (05W) Circuit Diagram Block diagram Figure A3.2.1 shows a block diagram of OPE (05W). The O5WH (operation unit) circuit consists of the following blocks: IC1 (one chip MOS-CPU) • Output ports Setting LEDs on and off: 8 ports Specifies the row during key switch matrix scanning: 8 ports •...
  • Page 305 OPE (05W) KSCAN0 X’tal KSCAN7 Key switch matrix OPECHK PC1-N MOS CPU KSENS0 from PC1 KSENS7 Internal ROM OPERST PSMODE LCD unit HUP-N RIINT Control signals from NCU MP/OFF to Main power supply (AC ON) Eight LEDs LEDs Figure A3.2.1 Block Diagram of OPE (operation unit) 40838301TH Rev.1 A3 - 24...

  • Page 306: A3.3 Power Supply Unit

    A3.3.1 1VP (for 120 V)/2VP (for 230 V) Circuit Diagram (1/2) IMPORTANT: Oki Data Corporation recommends that maintenance of the Power supply unit (1VP/2VP board) be performed by replacement of a unit, not by replacement of components. Therefore, circuit descriptions in this section are for reference.
  • Page 307 Output ratings Transformer type B Rated Rated Current Voltage Output Output Pin No. Voltage Current Range Range Ripple Noise CN3-B11-B13 5 V ± 4% +5 V 1.8 A 0.2 to 4.5 A 100 mVP-P 250 mVP-P CN3-A15, B15 +30 V 1.20 A 0 to 1.20 A —...
  • Page 308 40838301TH Rev.1 A3 - 27...
  • Page 309 General functional description General The power supply unit consists mainly of AC transformer and a power PCB (1VP board for AC120V/2VP board for AC230V). A block diagram of the power supply unit is shown in Figure A3.3.1 The power PCB is composed of five main circuits: AC input section, heater control section, low-voltage section, high-voltage section and protection circuit.
  • Page 310 5-3-3 +5 V circuit +5 V circuit provides +5 V output by lowering +30 V output by means of DC-DC concerter circuit. IC1 is a control IC of frequency fixed type (operating at about 30 kHz in present power supply unit) Q1 is a power transistor, D7 is a flywheel diode, and L3 , C10 and C20 compose a smoothing circuit.

  • Page 311: A3.3.2 1Vp (For 120 V)/2Vp (For 230 V) Circuit Diagram (2/2)

    A3.3.2 1VP (for 120 V)/2VP (for 230 V) Circuit Diagram (2/2) This circuit consists of photo-sensors and high voltage generation unit. Note: If the high-voltage unit inside the 1VP/2VP circuit board is replaced, the output voltage and current output from the terminals must be checked and adjusted. This section does not describe the checking and adjustment methods, however.
  • Page 312 High-voltage section 5-6-1 Functional overview The high-voltage outputs consist of TR1 (3.5 kV), TR2 (-0.75 kV), DB1 (+300 V), DB2 (-300 V), SB2 (-450V), CB (+400 V) and CH (-1.35 kV) and are obtained as follows. The control signal obtained from CPU of E17 board is applied to High-voltage power supply circuit.
  • Page 313 Photosensors The photosensors mounted on this circuit board/sensor board supervise the paper running state during printing. These six photosensors are used in this printer as listed below. All of their outputs enter CPU for referring to and processing by the CPU. PS1 (photosensor 1): PSOUT Supervises the paper feed according to the time of arrival at the sensor and the time of passage of paper.

  • Page 314: A3.4 Unc, Wn5, Fn5 And Dn5 Circuit Diagram

    The NCU board is selected from UNC, WN5, FN5 and DN5 because it differs depending on country’s specifications. Therefore, the NCU circuit diagram is destined for the following countries. Note: The relationship between NCU and optional boards (NTIF, TEL, HOOK, etc.) are shown in A3.10 OKIFAX 5400 facsimile transceiver. • UNC circuit diagram US and Canada.
  • Page 315 UNC/WN5/FN5/DN5 Explanation on CN3 Terminals Terminal Explanation pin No. name (US.CA) (INT’L) D.A.CH) (F.UK) REV2 Detection and output of the direction of DC line current. Detection of off-hook of terminal connected to TEL-1 or TEL-2. Output upon circuit current detection after fax line seizure 0 - 5 V signal output synchronized with the ringing signal frequency...
  • Page 316 It separates between the line and equipment in terms of DC and also keeps a balance between the line and the ground. The transformer on the UNC board for OKIFAX 5400 is covered with the shield case for the low-level receiving counter- measure.
  • Page 317 CN2 (1/2) TEL1 TEL2 OFF HOOK Detector CN2 (2/2) Ring Detector C31 R5 Impedance LINE matching , AR arresters to Modem Receiving Sensitivity Figure A3.4.1 Block Diagram of UNC...
  • Page 318 UNC/WN5/FN5/DN5 WN5 circuit diagram Lightning arresters (AR1, 2) The nominal operating voltage is 500 V. When connecting the ground of the arrestor to the chassis, tighten ARG on the PCB with a screw. At this time, the PCB is grounded through the power cable. The TB1 arrestor ground terminal can also be used to connect to the earth directly.
  • Page 319 UNC/WN5/FN5/DN5 Ring detectors (IC1) These circuits detect a ring signal arriving to the line. If the input ring signal exceeds a specific voltage, the circuits output a signal of RI having the same frequency as incoming RI. Line transformer (T1) This circuit processes send/receive signals required for facsimile transmission, dial tone receive signals required for automatic dialing, and MF tone send and remote receive signals.
  • Page 320 (1/2) TEL1 S1.1~2 OFF-HOOK TEL2 Detector (2/2) I SW S1 - 3~6 Ring Detector Impedance C31 R590 matching TEL CN1 CN15 ~ Loop CN45 Current Detection MUTE LINE , AR arresters to Modem Receiving sensitivity MUTE circuit Figure A3.4.2 Block Diagram of WN5...
  • Page 321 UNC/WN5/FN5/DN5 FN5 circuit diagram Lightning arresters (AR1, 2) The nominal operating voltage is 500 V. When connecting the ground of the arrestor to the chassis, tighten ARG on the PCB with a screw. At this time, the PCB is grounded through the power cable. The TB1 arrestor ground terminal can also be used to connect to the earth directly.
  • Page 322 UNC/WN5/FN5/DN5 Line transformer (T1) This circuit processes send/receive signals required for facsimile transmission, dial tone receive signals required for automatic dialing, and MF tone send and remote receive signals. It separates between the line and equipment in terms of DC and also keeps a balance between the line and the ground.
  • Page 323 (1/2) TEL1 RL7 F TEL2 (2/2) OFF-HOOK Detector Ring Detector Shunt S5-1, 2 Impedance matching NT MUTE LINE , AR FICC arresters to Modem Receiving Q1, Q2 Q3 4 sensitivity Constant current current S5-3 to 6 CN26/CN36 (F) (UK) MUTE CN26, CN36 Figure A3.4.3 Block Diagram of FN5...
  • Page 324 UNC/WN5/FN5/DN5 DN5 circuit diagram Lightning arresters (AR1, 2) The nominal operating voltage is 500 V. When connecting the ground of the arrestor to the chassis, tighten ARG on the PCB with a screw. At this time, the PCB is grounded through the power cable. The TB1 arrestor ground terminal can also be used to connect to the earth directly.
  • Page 325 UNC/WN5/FN5/DN5 Ring detectors (IC1) These circuits detect a ring signal arriving to the line. If the input ring signal exceeds a specific voltage, the circuits output a signal of RI having the same frequency as incoming RI. Line transformer (T1) This circuit processes send/receive signals required for facsimile transmission, dial tone receive signals required for automatic dialing, and MF tone send and remote receive signals.
  • Page 326 UNC/WN5/FN5/DN5 40838301TH Rev.1 A3 - 45...

  • Page 327: A3.5 Telu, Tel-W2, Tel-W1, Tel-W2D And Tel-W2F Circuit Diagram (Option) A3-75

    TEL-W2D and TEL-W2F because it differs depending on country’s specifications. Therefore, the TEL circuit diagram is destined for the following countries. Note: The relationship between TEL and other boards (NCU, NTIF, HOOK, etc.) shows A3.10. OKIFAX 5400 facsimile transceiver. • TELU circuit diagram US and Canada.
  • Page 328 TELU/TEL-W2/TEL-W1/TEL-W2D/TEL-W2F Explanation of TEL circuit diagram This section describes functional blocks of individual TEL circuit diagram. TELU circuit diagram TELU circuit diagram is formed by Speech IC and interface of UNC, HOOK SW and HANDSET. Speech IC The hybrid circuit is formed by Speech IC. Handset Interface •...
  • Page 329 TEL-U (option) Speech Network Circuit Speech IC (IC1) Microphone Handset Connected to HOOK Circuit Receiver Rectifier Connected to UNC Circuit Figure A3.5.1 Block Diagram of TEL-U (option)
  • Page 330 TELU/TEL-W2/TEL-W1/TEL-W2D/TEL-W2F TEL-W2 circuit diagram Note: Refer to each country’s hardware parameters comparison table. Speech IC General functions of the speech IC are as follows: • Basic speech functions included. • Separate receive pre-amplifier with signal output terminal • Separate receive power amplifier input terminal, cause it is possible to mixing input. •...
  • Page 331 TELU/TEL-W2/TEL-W1/TEL-W2D/TEL-W2F Return Loss The return loss setting is performed by SW2-2 to 6. One of the bits is set to ON for each individual country. When SW2-3 is set to ON, the impedance is set to 600 W's series. AGC (automatic gain control) AGC is function for adjusting the sending and receiving levels automatically in accordance with the line current values, so that the optimal communication level is automatically set.
  • Page 332 TEL-W2 (option) Speech IC (IC1) DC V-1 Characteristics Circuit Side Tone TIN+ Adjustment Sending Sending Level Frequence Adjustment Responce Circuit Return Loss TIN- Adyustment Connected to HOOK Circuit Receiving Microphone Level Adjustment Sending Frequency Circuit Receiver Connected to NTIF Circuit Manual Pad MPAD Rectifier...
  • Page 333 TELU/TEL-W2/TEL-W1/TEL-W2D/TEL-W2F TEL-W2 (1/2) (Setting as of Jul. 7, 1998) Each country's hardware parameters comparison table. OKIFAX 5400 Dip-switch Sweden Finland Ireland Portugal Australia Remarks Zealand Netherlands Balancing Network Impedance Matching DC Resistance Impedance Setting Sending Frequency Setting Sending Level Setting...
  • Page 334 TELU/TEL-W2/TEL-W1/TEL-W2D/TEL-W2F TEL-W2 (2/2) (Setting as of Jul. 7, 1998) Each country's hardware parameters comparison table. OKIFAX 5400 Dip-switch Spain Greece Switzer- Austria Remarks land Balancing Network (Side-tone Setting) Impedance Matching Setting DC Resistance Impedance Setting Sending Frequency Setting Sending Level...
  • Page 335 TELU/TEL-W2/TEL-W1/TEL-W2D/TEL-W2F TEL-W1 circuit diagram Note: Refer to each country’s hardware parameter comparison table. Speech IC General functions of the speech IC are as follows: • Basic speech functions included. • Separate receive pre-amplifier with signal output terminal • Separate receive power amplifier input terminal. •...
  • Page 336 TELU/TEL-W2/TEL-W1/TEL-W2D/TEL-W2F Sending Frequency Response Adjustment The adjustment of the high range frequency response is performed by changing the capacitance of the capacitor C33. Increase the value of C33 to lower the amplitude of the high range level. Decrease the value of C33 to raise the amplitude. The adjustnent of the low range frequency response is performed by changing the capacitance of the capacitors C35 and C37.
  • Page 337 TELU/TEL-W2/TEL-W1/TEL-W2D/TEL-W2F Return Loss Adjustment The return loss adjustment is performed by the installed C-R networks corresponding to the individual country. For adjusting the return loss, select the corresponding C-R network by the designated DIP switch and adjust the return loss by changing the values of capacitors and resistors.
  • Page 338 TEL-W1 (option) Speech IC (IC1) DC V-1 Characteristics Circuit Side Tone TIN+ Sending Adjustment Dialling CO1 to CO4 Sending Level Frequence Circuit RO1 to RO4 Adjustment Responce Connected to Circuit TEN-KEY Return Loss TIN- Adyustment circuit MUTE MUTE Connected to HOOK Circuit Receiving Microphone...
  • Page 339 TELU/TEL-W2/TEL-W1/TEL-W2D/TEL-W2F TEL-W1 (Setting as of Jul. 7, 1998) Each country's hardware parameters comparison table. OKIFAX 5400 Dip-switch United Italy Denmark Norway Belgium Remarks Kingdom Balancing Network (Side Tone Setting) Impedance Matching Setting MF-tone Level Setting Seding Level Setting MF-tine Level Setting...
  • Page 340 TELU/TEL-W2/TEL-W1/TEL-W2D/TEL-W2F TEL-W2D circuit diagram TEL-W2D board is for the Germany version only. Speech IC General functions of the speech IC are as follows: • Basic speech functions included. • Separate receive pre-amplifier with signal output terminal • Separate receive power amplifier input terminal, cause it is possible to mixing input. •...
  • Page 341 TELU/TEL-W2/TEL-W1/TEL-W2D/TEL-W2F Return Loss The circuit section which determines the return loss is formed by R26, R29 and C21. AGC (automatic gain control) The gain of the AGC is determined by the resistor value of R41. To lower the AGC gain, raise the resistor value of R41.
  • Page 342 TEL-W2 (option) Speech IC (IC1) DC V-1 Characteristics Circuit Side Tone TIN+ Adjustment Sending Sending Level Frequence Adjustment Responce Circuit Return Loss TIN- Circuit Charge Pulse Elimination Connected to Characteristics HOOK Circuit Receiving Microphone Circuit Level Circuit Handset Sending Frequency Circuit Receiver Connected to...
  • Page 343 TELU/TEL-W2/TEL-W1/TEL-W2D/TEL-W2F TEL-W2F circuit diagram Note: Refer to each country’s hardware parameters comparison table. Speech IC General functions of the speech IC are as follows: • Basic speech functions included. • Separate receive pre-amplifier with signal output terminal • Separate receive power amplifier input terminal, cause it is possible to mixing input. •...
  • Page 344 TELU/TEL-W2/TEL-W1/TEL-W2D/TEL-W2F Manual Pad Adjustment is unavailable. (1) DC resistance (2) Return loss (3) Sending level (4) Receiving level (5) Side tone level 40838301TH Rev.1 A3 - 63...
  • Page 345 TEL-W2 (option) Speech IC (IC1) DC V-1 Characteristics Circuit Side Tone TIN+ Adjustment Sending Sending Level Frequence Adjustment Responce Circuit Return Loss TIN- Circuit Charge Pulse Elimination Connected to Characteristics HOOK Circuit Receiving Microphone Circuit Level Circuit Handset Sending Frequency Circuit Receiver Connected to...

  • Page 346: A3.6 Ntif (Ncu And Tel Interface) Circuit Diagram (Option)

    NTIF (NCU and TEL interface) Circuit Diagram (option) NTIF board is used as an interface board of NCU, TEL and HOOK board. (Expect US version) The relationship between NTIF and the peripheral block diagram is shown in A3.10 OKIFAX 5400 facsimile transceiver.

  • Page 347: A3.7 Memo (Memory) Circuit Diagram

    • Picture memory for the reception in memory Memory capacity • 4 Mbyte (512 k x 8 bit x 8) memory board can be added for OKIFAX 5400. The relationship between memory capacity and mounted boards are shown in the following table.
  • Page 348 MEMO Image memory capacity Memory A4 Setting LEGAL Setting Condition [pages] [pages] Standard (without option) With Option Board 4 Mbyte Note: No. of sheets are counted provided that ITU-T No.1 sample document is used. No. of sheets are typical value. MEM (option) AD00 to AD07 MAD00 to MAD07...

  • Page 349: A3.8 Ctr (Pc Interface Unit) Circuit Diagram (Option)

    A3.8 CTR (PC interface unit) Circuit Diagram (option) CTR board is used as an interface board of PC and FAX when PC is connected to facsimile machine. Block diagram CTR board circuit is formed by Receiver, Driver, and 1284-I/F. Figure A3.8.1 shows related signals of CTR board. CTR (option) BACKI Driver...
  • Page 350 PC Multiplex function Disable Enable Interface between Fax machine and Host PC consists of three layer structure as detailed below, each sub-system can be operated at the same time by adopting a Oki-MFPI protocol in both Fax machine and Host PC.
  • Page 351 Encodes a rater image data in Host PC and transfers a data with HIPER-W emula- tion. Scanner (Oki-SCL 1: Oki-Scanner Control Language 1) Transfers and image data of document scanned in Fax machine to the Host PC with Oki-SCL 1 command.

  • Page 352: A3.9 Tqsb (Second Tray) Circuit Diagram: Option

    TQSB A3.9 TQSB (Second tray) Circuit Diagram: option Block diagrm This board is installed as the optional board. Figure A3.9.1 shows a block diagram of the second tray (option). Function Second tray consists of the following functions: • Paper capacity : 500 sheets •...

  • Page 353: Appendix B

    Appendix B Descriptions of Print Operation First Edition August, 1999 Oki Data Corporation 40838301TH Rev.1...
  • Page 354 CONTENTS APPENDIX B Description of Print Operations Page Mechanical Components ............... B-1 Description of Print Operation .............. B-3 B.2.1 Process Operations ................B-3 Errors ....................... B-14 B.3.1 Errors List ....................B-14 B.3.2 Major Trouble Errors ................B-15 B.3.2.1 Fuse Error ........................B-15 B.3.2.2 Fan Error .........................

  • Page 355: Appendix B Description Of Print Operations

    DESCRIPTION OF PRINT OPERATIONS Mechanical Components EP drum cartridge The EP (image) cartridge consists of an EP (image) drum, a charger, and a developer. The cartridge forms a toner image on the drum, using an electrostatic latent image formed by the LED print head.
  • Page 356 Heat roller LED head Toner cartridge Developing roller Charge roller EP cartridge Resist roller Outlet sensor Back-up roller Hopping roller Inlet sensor lever Cleaning roller Paper cassette Paper sensor Transfer roller...

  • Page 357: Process Operations

    DESCRIPTION OF PRINT OPERATIONS Description of Print Operations B.2.1 Process Operations Hopping and feeding Hopping and feeding are affected by a single resist motor in the mechanism shown below. Resist motor Idle gear Resist roller Hopping roller Motor gear Resist gear Hopping gear Turning the resist motor in the "a"...
  • Page 358 DESCRIPTION OF PRINT OPERATIONS Hopping Hopping turns the resist motor in the "a" direction (in the CW direction) and drives the hopping roller to advance the paper until the inlet sensor turns on. (In this case, the resist gear also turns, but the resist roller is prevented from turning by the one-way clutch gear.) After the paper has turned on the inlet sensor, the paper is further advanced by a predetermined length until the paper hits the resist roller.
  • Page 359 DESCRIPTION OF PRINT OPERATIONS Feeding After end of hopping, turning the resist motor in the "b" direction (in the CCW direction) drives the resist roller to advance the paper. (In this case, the hopping gear also turns, but the hopping roller is prevented from turning by the one-way clutch gear.) The paper is further advanced in synchrony with the print data.
  • Page 360 DESCRIPTION OF PRINT OPERATIONS Charging Charging is affected by applying a DC voltage to the charge roller thta is in contact with the EP (image) drum surface. Charge roller EP drum The charge roller is composed of two layers consisting of a conductive layer and a surface protective layer that has elasticity, in order to secure a good contact with the EP (image) drum.
  • Page 361 DESCRIPTION OF PRINT OPERATIONS Exposure Light emitted from the LED head irradiates the EP (image) drum surface with negative charges. The surface potential of the irradiated part of the EP drum drops, thereby forming an electrostatic latent image associated with the image signal. LED head LED head Charge roller...
  • Page 362 DESCRIPTION OF PRINT OPERATIONS The EP (image) drum surface is charged to about -750 V by the contact charge of the charge roller. When light from the LED head irradiates the EP (image) drum surface, the light energy generates positive and negative carriers in the CGL. The positive carriers are moved to the CTL by an electrical field acting on the EP (image) drum.
  • Page 363 DESCRIPTION OF PRINT OPERATIONS Developing Toner is attracted to the electrostatic latent image on the EP (image) drum surface to convert it into a visible toner image. Developing takes place at the contact between the EP (image) drum and the developing roller. As the toner supply roller rotates while rubbing on the developing roller, a friction charge is generated between the developing roller and the toner, allowing the toner to be attracted to the developing roller.
  • Page 364 DESCRIPTION OF PRINT OPERATIONS Note: The toner supply roller and the developing roller are supplied with bias voltages required during the developing process as shown below. -450 VDC is supplied to the toner supply roller, -300 VDC to the developing roller. Toner supply roller Developing roller Base...
  • Page 365 DESCRIPTION OF PRINT OPERATIONS Transfer The transfer roller is composed of conductive sponge material and is designed to make the EP (image) drum surface and the paper closely into contact. Paper is placed over the EP (image) drum surface, and a positive charge, opposite in polarity to the toner, is applied to the paper from its reverse side.
  • Page 366 DESCRIPTION OF PRINT OPERATIONS Fusing After the end of the transfer operation, the unfused toner image is fused on the paper under heat and pressure as it passes between the heater roller and the back-up roller. The heater roller with a Teflon coating incorporates a 500 W heater (Halogen lamp), which heats the heat roller.
  • Page 367 DESCRIPTION OF PRINT OPERATIONS Cleaning After the end of the transfer, residual toner on the EP (image) drum is attracted to the cleaning roller temporarily by static electricity to clean the EP (image) drum surface. EP drum Cleaning roller Power Transfer roller supply unit Cleaning of rollers...

  • Page 368: Errors

    DESCRIPTION OF PRINT OPERATIONS Errors B.3.1 Errors List The errors are listed below. Major trouble errors • Fuser error • Fan error • Paper supply error • Paper transport system error • Paper exit jam • Paper size error • 2'nd tray communication error •...

  • Page 369: Major Trouble Errors

    DESCRIPTION OF PRINT OPERATIONS B.3.2 Major Trouble Errors B.3.2.1 Fuser Error The fuser error indicates an error in thermister on heater. In case the fuser error occurs at the time of printing, the heater is turned off soon but the printing continues of that page.

  • Page 370: Paper Feed Monitoring

    DESCRIPTION OF PRINT OPERATIONS B.3.2.3 Paper Feed Monitoring Status Description and Supervising Sensor Distance Indicates monitoring error in hopping. 118 mm or less path Paper supply error Hopping is retried 3 times. Length +36 (hopping) x 3 Indicates an error in the paper transport path. 30 mm or less Error on resist roller section.

  • Page 371: Recoverable Errors

    DESCRIPTION OF PRINT OPERATIONS B2.3.3 Recoverable Errors The three recoverable errors are listed in the table below. Status Description and Supervising Sensor Paper supply route from the option 2'nd tray to the main body 2'nd tray route open is open, recording paper of the 1'st tray is being replaced. No paper in No paper has been detected by the 1'st tray's paper sensor.

  • Page 372: Toner Low Detection

    DESCRIPTION OF PRINT OPERATIONS B.3.3.1 Toner Low Detection • Composition The device consists of the stirring gear which rotates at a constant rate, the stirring bar and the magnet on the stirring bar. The stirring bar rotates through the link on the protrusion in the stirring gear.
  • Page 373 DESCRIPTION OF PRINT OPERATIONS low can be detected. Low Toner Alarm A check for low toner is carried out at all times when the drum is rotating (rotation in opposite direction is excluded). • The toner sensor is not monitored while the drum motor is in halt. TNRSNS-N TONER FULL state TNRSNS-N...

  • Page 374: Other Special Cases

    B.4.1 Manual Paper Feed Turning on of the inlet sensors without the hopping operation indicates manual paper feeding for OKIFAX 5400 (excluding when power is on). B.4.2 Cleaning The image drum needs cleaning since it gets dirty after having printed copies for a number of times.

  • Page 375: Appendix C

    Appendix C Circuit Diagram and Parts List (OK IFAX 5400) First Edition August, 1999 Oki Data Corporation 40838301TH Rev.1...
  • Page 376 CONTENTS Parts Name Document Name Parts No. Remarks VE_MCNT E17 Circuit diagram S40438401SS E17-8 Parts list 40438408BT Memory:2.5MB +V.34 Modem (OPTION) S34-2 (40222902BT) 05W Circuit diagram 40079901SS 05W Parts list 40079901BT UNC Circuit diagram 40002901SS UNC-2 Parts list 40002902BT OEL etc., WN5 Circuit diagram 40003001SS OEL etc.,...

  • Page 377: Appendix D

    Appendix D Mechanical Expanded View Drawing and Parts List (OKIFAX 5400) First Edition August, 1999 Oki Data Corporation 40838301TH Rev.1...
  • Page 378 CONTENTS Page Drawing Parts Lists Section 1 Cabinet Assembly ..........D-2 Section 2 Control Panel Assembly ........D-4, 5 Section 3 Printer Assembly ..........D-7 D-8, 9 Section 4 Base Assembly ..........D-10 D-11, 12 Section 5 Scan Unit............D-13 D-14 Section 6 Paper Guide U Assembly ........

  • Page 379: Section 1 Cabinet Assembly

    ASSEMBLY SECTION1 CABINET ASSEMBLY SECTION2 CONTROL PANEL ASSEMBLY SECTION6 PAPER GUIDE U ASSEMBLY SECTION3 PRINTER ASSEMBLY SECTION4 SECTION5 BASE ASSEMBLY SCAN UNIT OPTION TELEPHONE 40838301TH Rev.1 D - 1...
  • Page 380 SECTION 1 CABINET ASSEMBLY 40838301TH Rev.1 D - 2...
  • Page 381 Section 1 CABINET ASSEMBLY Rev. Oki parts Number Description Q’ty Remarks 1PA4120-1079G1 Document Hopper Assy. 1PA4120-1079G4 Document Hopper Assy. BOSCH 2PP4120-1084P1 Sub-Hopper Plate 2PP4120-1084P4 Sub-Hopper Plate BOSCH 2PP4120-1091P1 NCU Cover 2PP4120-1091P4 NCU Cover BOSCH 1PP4120-1089P1 Main Cover 1PP4120-1089P4 Main Cover...

  • Page 382: Section 2 Control Panel Assembly

    SECTION 2 CONTROL PANEL ASSEMBLY 40838301TH Rev.1 D - 4...
  • Page 383 Section 2 CONTROL PANEL ASSEMBLY Rev. Oki parts Number Description Q’ty Remarks 40079109 Unit-175V OPE Panel ODA/OLA 40079102 Unit-175V OPE Panel Note 1 40079110 Unit-175V OPE Panel OKI-INT/AUS 40079106 Unit-175V OPE Panel Bosch 4PB4120-1074P001 One-touch Cover Film-151/175 Note 2 4PB4120-1073P101...

  • Page 384: Section 3 Printer Assembly

    SECTION 3 PRINTER ASSEMBLY 40838301TH Rev.1 D - 6...
  • Page 385 Section 3 PRINTER ASSEMBLY 1/2 Rev. Oki parts Number Description Q’ty Remarks 2PA4120-1214G1 Stacker Cover Assy. 4PB3517-1567P1 Guide Wire 4YB4120-1117P1 Pulse Motor (Main) 4YB4120-1118P1 Pulse Motor (Resist) 4PP4083-2593P1 Idle Gear A 3PP4083-6076P1 Reduction Gear 2YX4120-1128G1 Fusing Unit Assy. (120V) 2YX4120-1128G2 Fusing Unit Assy.
  • Page 386 Section 3 PRINTER ASSEMBLY 2/2 Rev. Oki parts Number Description Q’ty Remarks 2PA4120-1085G1 Release Guide Assy. 4PP4120-1087P1 Release Spring 4YA4116-1228G1 LED Head Unit 224A1286P0140 PX-14 PC Connector 4YX4120-1124G1 LED Cable Assy. Screw Screw Screw Screw Screw Screw 40778901 Sensor Wire Assembly...

  • Page 387: Section 4 Base Assembly

    SECTION 4 BASE ASSEMBLY 40838301TH Rev.1 D - 9...
  • Page 388 Section 4 BASE ASSEMBLY 1/2 Rev. Oki parts Number Description Q’ty Remarks 4YB4049-7082P1 Power Transformer (120V) 4YB4049-7083P1 Power Transformer (230V) 3PA4083-6090G1 Contact Assy. 40035901 PWR Unit-ACDC DROP (120V) 40035902 PWR Unit-ACDC DROP (230V) 40476108 Board-E17-8 2YX4076-7012G001 Cassette Guide (R) Assy.
  • Page 389 Section 4 BASE ASSEMBLY 2/2 Rev. Oki parts Number Description Q’ty Remarks 40123401 Plate Assy.-PC I/F Option 4PP4083-7665P001 FG Plate D 4YC4061-5115P001 Polyethylene Tape 40275501 Plate-Guard PB4120-1130P001 Screw-Hexagon Option 4PP4120-1187P001 Plate Earth (PCFX) Option 40597801 Rubber-Damping 40838301TH Rev.1 D - 11...

  • Page 390: Section 5 Scan Unit

    SECTION 5 SCAN UNIT 40838301TH Rev.1 D - 12...
  • Page 391 Section 5 SCAN UNIT Rev. Oki parts Number Description Q’ty Remarks 1PP4120-1015P001 Scanner Frame 2PP4120-1034P1 Scanner Base Frame (L) 4PP4120-1023P1 Earth Plate ADF 3PP4120-1017P1 PC2 Lever 3PP4120-1016P1 PC1 Lever 3PP4120-1038P1 Pocket Plate 2PP4120-1037P1 Scanner Base Frame (R) 4PP4120-1032P1 Latch Spring...

  • Page 392: Section 6 Paper Guide U Assembly

    SECTION 6 PAPER GUIDE U ASSEMBLY 40838301TH Rev.1 D - 14...
  • Page 393 Section 6 PAPER GUIDE U ASSEMBLY Rev. Oki parts Number Description Q’ty Remarks 3PA4120-1045G1 Feed Roller (1) Assy. 4PP4120-1226P001 Earth Plate (SR) 4PP4120-1227P001 Earth Plate (SL) 4YS4011-1714P2 Earth Cord 1PP4120-1040P001 Paper Guide (U) 4PA4120-1041G1 Pinch Plate Assy. 4PB4120-1051P1 Diselectrication Brush...

  • Page 394: Section 7 Cables

    SECTION 7 CABLES 40838301TH Rev.1 D - 16...
  • Page 395 Section 7 CABLES Rev. Oki parts Number Description Q’ty Remarks 40040002 CONN Cord-Wire (OPE) 4YB4120-1026P1 Speaker 3YS4111-3527P2 Connector Code (2nd Tray) 4YS4111-3441P1 P.W.A. Connector Cord (CIS) 4YS4111-3442P1 P.W.A. Connector Cord (PC1/2) 1051070C0001 TFC-16813 Core 3YS4011-1329P2 AC CORD A OKI-INT 4YS3512-1485P1...

  • Page 396: Section 8 Option Telephone (Us

    SECTION 8 OPTION TELEPHONE (US) 40838301TH Rev.1 D - 18...
  • Page 397 Section 8 OPTION TELEPHONE (US) OKIFAX 5400 Rev. Oki parts Number Description Q’ty Remarks 1PP4120-1095P011 Cradle 4YA4129-1006G001 Board-Hook 4YA4129-1005G001 Board-TELU 1PP4120-1096P001 Base-Cradle 3PP4120-1097P001 Cover-Terminal 3PA4120-1140G001 Attachment-Assembly 4YB3512-2029G004 Handset 4YS4111-5552P001 Connection-Cord 4YS4111-5551P001 Moduler-Jack-Cord 4YS3522-1252G002 Cord-Handset Tapping-Screw Screw 4PB4120-1136P001 Knob-Screw 4PB4016-1960P001 Rubber-Hoot 40838301TH Rev.1...
  • Page 398 Section 8 OPTION TELEPHONE (AG) LANIER Rev. Oki parts Number Description Q’ty Remarks 1PP4120-1095P012 Cradle 4YA4129-1006G001 Board-Hook 4YA4129-1005G001 Board-TELU 1PP4120-1096P002 Base-Cradle 3PP4120-1097P002 Cover-Terminal 3PA4120-1140G001 Attachment-Assembly 4YB3512-2029G001 Handset 4YS4111-5552P001 Connection-Cord 4YS4111-5551P001 Moduler-Jack-Cord 4YS3522-1252G002 Cord-Handset Tapping-Screw Screw 4PB4120-1136P001 Knob-Screw 4PB4016-1960P001 Rubber-Hoot 40838301TH Rev.1...
  • Page 399 SECTION 8 OPTION TELEPHONE (UK, ITA, NOR, DEN, BEL) 40838301TH Rev.1 D - 21...
  • Page 400 Section 8 OPTION TELEPHONE (UK, ITA, NOR, DEN, BEL) OKIFAX 5400 Rev. Oki parts Number Description Q’ty Remarks 1PP4120-1095P011 Cradle 4YA4129-1006G001 Board-Hook 2PP4120-1068P001 Ten-Key 4YA4129-1003G001 Board-Tenkey 4YU3528-1022G014 Board-TEL W1 4YA4129-1004G001 Board-NTIF 1PP4120-1096P001 Base-Cradle 3PP4120-1097P001 Cover-Terminal 3PA4120-1140G001 Attachment-Assembly 4YB3512-2029G004 Handset 4YS4111-5553P001...
  • Page 401 Section 8 OPTION TELEPHONE (ABX) LANIER Rev. Oki parts Number Description Q’ty Remarks 1PP4120-1095P002 Cradle 4YA4129-1006G001 Board-Hook 2PP4120-1068P002 Ten-Key 4YA4129-1003G001 Board-Tenkey 4YU3528-1022G014 Board-TEL W1 4YA4129-1004G001 Board-NTIF 1PP4120-1096P002 Base-Cradle 3PP4120-1097P002 Cover-Terminal 3PA4120-1140G001 Attachment-Assembly 4YB3512-2029G001 Handset 4YS4111-5553P001 Connection-Cord 4YS4111-5552P001 Connection-Cord 4YS4111-5556P001 Connection-Cord...
  • Page 402 SECTION 8 OPTION TELEPHONE (HOL, GER, FRA, SWITZ, AUT, INT'L) 40838301TH Rev.1 D - 24...
  • Page 403 4YU3528-1037G003 Board-TEL 3 HOL, OEL-INT'L 4YU3528-1038G013 Board-TEL 13 4YU3528-1033G018 Board-TEL W2F 4YU3528-1037G007 Board-TEL 7 OKI-INT'L 4YA4129-1004G002 Board-NTIF SWITZ, AUS 4YA4129-1004G003 Board-NTIF HOL, OEL-INT'L, GER, OKI-INT'L 4YA4129-1004G004 Board-NTIF 1PP4120-1096P001 Base-Cradle 3PP4120-1097P001 Cover-Terminal 3PA4120-1140G001 Attachment-Assembly 4YB3512-2029G004 Handset 4YS4111-5553P001 Connection-Cord 4YS4111-5552P001 Connection-Cord 4YS4111-5551P001...
  • Page 404 Section 8 OPTION TELEPHONE (ABB, AB, FTZ, FR) LANIER Rev. Oki parts Number Description Q’ty Remarks 1PP4120-1095P012 Cradle 4YA4129-1006G001 Board-Hook 4YU3528-1037G011 Board-TEL 11 4YU3528-1037G009 Board-TEL 9 4YU3528-1038G013 Board-TEL 13 4YU3528-1033G018 Board-TEL W2F 4YA4129-1004G002 Board-NTIF 4YA4129-1004G003 Board-NTIF AB, FTZ 4YA4129-1004G004 Board-NTIF...

  • Page 405: Board Layout

    Appendix E Board Layout (OKIFAX 5400) First Edition August, 1999 Oki Data Corporation 40838301TH Rev.1...
  • Page 406 CONTENTS E17 Package Layout + V.34 Modem (Option) 05W (OPE) Package Layout UNC Package Layout WN5 Package Layout DN5 Package Layout FN5 Package Layout 1VP (Low-voltage Power Unit) Package Layout 2VP (Low-voltage Power Unit) Package Layout SUB power Unit MEM Package Layout (Option) TQSB Package Layout (2nd Tray) (Option) CTR Package Layout (Bi-Centro) (Option) TELU Package Layout (Option)

  • Page 407: Appendix F

    Appendix F Second Paper Feeder Maintenance Manual (OKIFAX 5400) First Edition August, 1999 Oki Data Corporation 40838301TH Rev.1...
  • Page 408 This Maintenance Manual is intended for the maintenance personnel and describes the field maintenance methods for Second Paper Feeder option of OKIFAX 5400 Facsimile Transceiver. Refer to the Instruction sheet of High Capacity Second Paper Feeder option for equipment handling and operation methods.
  • Page 409 CONTENTS OUTLINE ....................F - 1 1.1 Functions ....................F - 1 1.2 External View and Component Names ............F - 1 MECHANISM DESCRIPTION ..............F - 2 2.1 General Mechanism .................. F - 2 2.2 Hopper Mechanism ................... F - 2 PARTS REPLACEMENT ................

  • Page 410: Outline

    OUTLINE Functions When the Second Paper Feeder is installed with the OKIFAX 5400 facsimile transceiver, the Second Paper Feeder is connected to the facsimile by a connector. The Second Paper Feeder supplies paper automatically through the operation of pulse motor (hopping), which is driven by signals sent from CPU of the Second Paper Feeder under the control of the facsimile.

  • Page 411: Mechanism Description

    MECHANISM DESCRIPTION General Mechanism The Second Paper Feeder feeds the paper into the facsimile by receiving the signal from the facsimile, which drives the pulse motor inside the Second Paper Feeder, and this motion is transmitted to rotate the one-way clutch of the hopping frame assembly. The paper is delivered from the hopper into the facsimile through the turning of the hopping roller and feed roller.

  • Page 412: Parts Replacement

    PARTS REPLACEMENT This section covers the procedures for the disassembly, reassembly and installations in the field. This section describes the disassembly procedures, and for reassembly procedures, basically proceed with the disassembly procedures in the reverse order. Precautions Concerning Parts Replacement Parts replacements must be carried out, by first turning the facsimile power switch off “O”...
  • Page 413 [Service Tools] Table 3-1 shows the tools required for the replacement of printed circuit boards, assemblies and units in the field. Table 3-1 Service Tools Service Tools Q'ty Application Remarks No. 1-100 Philips 2 ~ 2.5 mm screws screwdriver No. 2-100 Philips 3 ~ 5 mm screws screwdriver No.

  • Page 414: Parts Layout

    Parts Layout This section describes the layout of the main components. Upper plate Hopping Roller Shaft Assy One-way Clutch Gear Guide R (2nd) Assy (includes stepping motor and TQSB-2PB) Hopping Frame Stepping Motor Assy Cassette Assy Guide L (2nd) Assy Fig.

  • Page 415: Parts Replacement Methods

    Parts Replacement Methods This section describes the parts replacement methods for the components listed in the disassembly order diagram below. Second Paper Feeder Stepping motor (hopping) (3.3.1) TQSB-2PCB (3.3.2) Hopping roller shaft assy and One-way clutch gear (3.3.3) 40838301TH Rev.1 F - 6...

  • Page 416: Stepping Motor (Hopping)

    3.3.1 Stepping Motor (Hopping) Turn the facsimile power switch off, pull out the AC cord from the outlet. Remove the facsimile off Second Paper Feeder. Take the paper cassette assy 1 out of Second Paper Feeder. Remove six screws 2 and remove the upper plate 3. Remove two screws 5 and remove the hopping frame assy 6.
  • Page 417 Remove three screws 9 which are holding the guide R (2nd) assy 0 to the bottom plate A. Remove the screw B which is keeping the rear cover C and guide R (2nd) assy 0. Remove the guide R (2nd) assy 0. Remove the protect (M) D, guide bracket E, planet gears F and planet gear bracket G.

  • Page 418: Tqsb-2Pcb

    3.3.2 TQSB2-PCB Remove the pulse motor (see 3.3.1). Remove the connector O from the TQSB-2PCB P. Remove the screw Q and remove the TQSB-2PCB P. Note : Refer to Detall A in the previous page. 3.3.3 Hopping Roller Shaft Assy and One-way Clutch Gear Follow up to step (3) of 3.3.1 and remove the hopping frame assy.

  • Page 419: Troubleshooting

    DISPLAY PRG. PROG. FROM MEMORY HYPHEN REDIAL 14/SPACE 15/PAUSE HOOK COPY V.REQUEST OKIFAX ALARM 5400 PHOTO RX FINE FINE PQRS WXYZ STOP START LIGHT NORMAL DARK TONE UNIQUE 8.5" A4 Control Panel of OKIFAX 5400 40838301TH Rev.1 F - 10...

  • Page 420: Troubleshooting Method

    Troubleshooting Method When a problem occurs, go through the troubleshooting according to the following procedure. Problem occurs Problem displayed by Troubleshooting Carry out detailed the LCD message according to the LCD troubleshooting Status Message List according to the (see 4.3.1) Troubleshooting Flow (see 4.3.1) 4.3.1...
  • Page 421 • ( JAM error ) ** Paper Inlet Jam ** Does paper jam at the inlet when the power is turned on? Is the paper located above the sensor plate Remove the paper. (inlet)? Is the sensor plate (inlet) Replace the sensor plate operating normally? (inlet).
  • Page 422 Are the hopping roller Set the paper properly. and feed roller rotating? Replace the hopping Is the pulse motor roller shaft assy or turning? one-way clutch gear on the feed roller assy. Is the connector being Connect the connector connected properly? properly.

  • Page 423: Connection Diagram

    CONNECTION DIAGRAM Interconnection Diagram Stepping motor 2 M-T3 1 M-T4 "MOTOR" 4 M-T1 3 M-T2 TQSB-2PCB "PU" To OKIFAX 5400 facsimile transceiver 40838301TH Rev.1 F - 14...

  • Page 424: Pcb Layout

    PCB Layout TQSB-2PCB MOTOR MOTOR CONTROLLER DRIVER SEN2 40838301TH Rev.1 F - 15...

  • Page 425: Parts List

    PARTS LIST SECTION1 CABINET & CASSETTE ASSEMBLY Figure 6-1 40838301TH Rev.1 F - 16 F - 16 - 1...
  • Page 426 SECTION2 MECHANICAL ASSEMBLY Figure 6-2 40838301TH Rev.1 F - 17 F - 16 - 2...
  • Page 427 Table 6-1 Paper Feeder OKI Oarts Number Description Q'ty/U Remarks 1PP4122-1401P001 Plate, Upper 3PA4122-1370G001 Sheet Guide Assembly 1PA4122-1369G001 Front Cover Assembly 3PA4122-1371G001 Inner Guide Assembly 1PA4122-1362G004 Cassette Assembly (2nd Tray) 4PP4120-1009G001 Separation (F) Frame Assembly 1PP4122-1323P001 Cover, Rear 4PB4122-1441P001 Stick Finger...
  • Page 428 Appendix G RMCS SYSTEM MANUAL (For Model 20) First Edition August, 1999 Oki Data Corporation 40838301TH Rev.1...
  • Page 429 CONTENTS Inttroduction ....................G-1 Notes to Users ................... G-2 Identifying the Packaged Contents ............. G-2 Required Devices ..................G-2 Connectable Peripheral Equipment ............G-2 Setup ......................G-2 Mounting ..................... G-2 2.1.1 Mounting Procedures .................. G-3 Installation ....................G-4 2.2.1 Registering the RMCS Basic System............G-5 2.2.2 Registering the Facsimile Model No.
  • Page 430 (Refer to Figure 1) The purpose of this system is to speed up customer service and reduce maintenance costs. RMCS model for OKIFAX 5400 is only Model 20. All Data Clear User Data LOGON Tech.

  • Page 431: Notes To Users

    Notes to Users Identifying the Packaged Contents Before using this system, the packaged contents with the package list. Contact your dealer if any component from the package. Required Devices The following devices and software are required to operate this system. Personal computer IBM PC/AT or compatible model Internal memory...

  • Page 432: Setup

    1) Before operation, disconnect the power plug of the IBM PC/AT from the system plug socket. 2) Disconect the power plug of OKIFAX 5400 Facsimile, too and set PC-I/F board to the Facsimile. 3) Connect RS232C cable between COM. Port of the IBM PC/AT and PC-I/F board of the Fac- simile.

  • Page 433: Installation

    Installation When the PC/AT is activated by using the hard disk, insert an RMCS system disk into drive A. When C>_ is displayed, enter commands as shown below to activate the installation program. C> A:[Enter] A> INST[Enter] Remote Management Center System <<...

  • Page 434: Registering The Rmcs Basic System

    2.2.1 Registering the RMCS Basic System The flow of new registration is different from that of updating. First, the flow of new registration is described below. Remote Management Center System << RMCS SETTING >> HARD DISK DRIVE = [C] Press the Esc key to cancel. 1) Enter the drive No.
  • Page 435 2) Enter the directory name with up to eight alphanumeric characters. Remote Management Center System << RMCS SETTING >> HARD DISK DRIVE = [C] DIRECTORY = [C:\RMCS PASSWORD = [_ Press the Esc key to cancel. 3) Register a password of up to 15 alphanumeric characters excluding [\],[“]. If the system oprator is not defined, password registration not required.
  • Page 436 Remote Management Center System << RMCS SETTING >> HARD DISK DRIVE = [C] DIRECTORY = [C:\RMCS_ PASSWORD DIPSW (ON:0 OFF:1) = [11000000] Are you sure (Y or N)? Press the Esc key to cancel. 5) When the setting is correct, enter [Y]. The system is now registered. If not correct, enter [N]. Then repeat from step 1) again.

  • Page 437: Registering The Facsimile Model No

    2.2.2 Registering the Facsimile Model No. 1) Seach the directory in which the system is registered. when the systwm is found, register the model number. Remote Management Center System << FAX SETTING >> FAX Disk set Push any key Press the Esc key to cancel. 2) Insert a disk corresponding to the the model into drive A, then press any key.

  • Page 438: Deleting The Facsimile Model No

    2.2.3 Deleting the Facsimile Model No. 1) Search the directory in which the system is registered. When the system is found, a list of registered models is displayed. Remote Management Center System << FAX DELETE >> [0]: OOOOOOOOOO [1]: [2]: [3]: [4]: [Page Up]: Previous page...

  • Page 439: Updating The Password

    2.2.4 Updating the Password 1) Search the directory in which the system is registered. When the system is found, the old password is displayed on the screen requesting entry of a new password is displayed. Remote Management Center System << PASSWORD UPDATE >> OLD PASSWORD = [1234567890 NEW PASSWORD...

  • Page 440: Updating The Dip Switches

    2.2.5 UPdating the Dip Switches This setting is available for only RMCS Model 10. 1) Search the directory in which the system is registered. When the system is foud, the dip switch setting is displayed. Remote Management Center System << DIP SW UPDATE >> DIP SW (ON:0 OFF:1) = [11010000] (For RMCS Model 10 only.) Press the Esc key to cancel.

  • Page 441: Deleting The Rmcs Basic System

    2.2.6 Deleting rhe RMCS Basic System 1) When to delete, enter [Y], then whole RMCS system is deleted. When not to delete, enter [N]. Then the installation menu appears. Remote Management Center System << RMCS DELETE >> DIRECTORY : [C:\RMCS] Are you sure (Y or N)? N Press the Esc key to cancel.

  • Page 442: Rmcs Basic Operation

    Enter the following command in the PC-DOS command input state. C>RMCS Remote Management Center System Copyright (C)1995 Oki Data Co., Ltd. Copyright (C)1995 Micro Technology Co. After completing the necessary preparations, the ID and password entry screen is displayed. 3.1.2 Entering the ID and Password ID [ Password : •...

  • Page 443: Tel Directory

    TEL Directory You can select such services (items) registration and deletion of information related to users. We describe the detail of each service later. There are two ways to specify an item: select by using the [≠] and [Ø] keys, then press [Enter] or enter the number before the item.

  • Page 444: Main Menu

    Main Menu The main menu screen varies according to FAX models. For futher operation, refer to each FAX model manual. User ID F1 : TEL directory FAX model [ F2 : Set the TEL number TEL number [ << MAIN MENU >> 1: Initialization of FAX 2: File [LOAD] (Center to FAX) 3: File [SAVE] (Center from FAX)

  • Page 445: Message Modifying Tool

    Message Modifying Tool Activating the Program After activating the PC/AT with a hard disk, insert the RMCS system disk into drive A. When C>_ is displayed, enter the following commands to activate the program. C>A:[Enter] A> SCRNED [Enter] Then the screen for menu selection is displayed. <...

  • Page 446: File Selection

    4.2.1 File Selection < REMOTE MANAGEMENT CENTER SYSTEM > << MESSAGE MODIFYING TOOL>> <<MESSAGE MODIFY>> SCRN1000.TX SCRN2000.TX SCRN3000.TX SCRN4000.TX SCRN5000.TX SCRN1010.TX SCRN2010.TX SCRN3010.TX SCRN4010.TX SCRN5010.TX SCRN1020.TX SCRN2020.TX SCRN3020.TX SCRN4020.TX SCRN5020.TX SCRN1030.TX SCRN2030.TX SCRN3030.TX SCRN4030.TX SCRN5030.TX SCRN1040.TX SCRN2040.TX SCRN3040.TX SCRN4040.TX SCRN5040.TX SCRN1050.TX SCRN2050.TX SCRN3050.TX...

  • Page 447: Confirmation

    4.3.1 Confirmation < REMOTE MANAGEMENT CENTER SYSTEM > << MESSAGE MODIFYING TOOL>> << MESSAGE SAVE >> SOURCE : RMCS SYSTEM DESTINATION : A(FD) PLEASE INSERT A FORMATED DISK, THEN PRESS THE ENTER KEY TO SAVE. (PRESS THE ESC KEY TO CANCEL) Select a drive with the [Space] key.

  • Page 448: Confirmation

    4.4.1 Confirmation < REMOTE MANAGEMENT CENTER SYSTEM > << MESSAGE MODIFYING TOOL>> << MESSAGE LOAD >> SOURCE : A(FD) DESTINATION : RMCS SYSTEM PLEASE INSERT A SAVED DISK, THEN PRESS THE ENTER KEY TO LOAD. (PRESS THE ESC KEY TO CANCEL) Select a drive with the [Space] key.

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