Ricoh Aficio FX10 Service Manual
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Ricoh Aficio FX10 Service Manual

Ricoh Aficio FX10 Service Manual

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LFO
AFICIO FX10
SERVICE MANUAL
June 10th, 1997
Subject to change

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  • Page 1 AFICIO FX10 SERVICE MANUAL June 10th, 1997 Subject to change...

  • Page 2: Table Of Contents

    LFO AFICIO FX10 SERVICE MANUAL ......1. OVERALL MACHINE INFORMATION 1-1 ....1.1. SPECIFICATIONS 1-1 ..........1.2. FEATURES 1-3 ............1.3. COMPONENT LAYOUT 1-6 ........1.3.1. Mechanical Components 1-6 ........1.3.2. Electrical Components 1-8 ........... 1.4. OVERALL MACHINE CONTROL 1-12 ....
  • Page 3 5. PREVENTIVE MAINTENANCE 5-1 ....... 5.1. SPECIAL TOOLS AND LUBRICANTS 5-1 ....5.2. PM TABLE 5-1 ............6. REPLACEMENT AND ADJUSTMENT 6-1 ....6.1. EXTERIOR 6-1 ............6.1.1. Front and Right Cover 6-1 ........... 6.1.2. Rear Cover 6-2 ............6.1.3. Operation Panel 6-3 .............
  • Page 4 6.7.4. Power Pack 6-27 ............6.8. ADF 6-28 ..............6.8.1. Feed Roller and Pick Up Roller 6-28 ......6.8.2. Seperation Roller 6-28 ..........6.8.3. R1 and R2 Rollers 6-29 ..........6.8.4. Scan Line Sensor, Cover Sensor and Document ..6.8.5. ADF Motor 6-31 ............
  • Page 5 2.4.2. PSU 2-50 ..............2-50 2.4.3. NCU (USA) 2-51 ............2-51 2.4.4. NCU (Europe/Asia) 2-52 ..........2-52 2.4.5. Interface 2-53 ..............2-53 3. INSTALLATION 3-1 ............3.1. INSTALLING THE MACHINE 3-1 ......3.2. INITIAL PROGRAMMING 3-2 ......... 3.3. INSTALLING OPTIONAL UNITS 3-2 .......
  • Page 6 7.5. ERROR CODES 7-28 ..........7-28 7.6. ELECTRICAL COMPONENT DEFECTS 7-35 ..7-35 7.6.1. Defective Sensor Table 7-35 ........7-35 7.6.2. Blown Fuse Table 7-36 ..........7-36 OTHERS ................. Point-to-Point Diagram .............
  • Page 7 WARNING FOR LASER UNIT THIS MACHINE CONTAINS A LASER BEAM GENERATOR. LASER BEAMS CAN CAUSE PERMANENT EYE DAMAGE. DO NOT OPEN THE LASER UNIT OR LOOK ALONG THE LASER BEAM PATH WHILE THE MAIN POWER IS ON. CAUTION MARKINGS: H523C501.wmf Lithium Batteries (Memory Back-up) CAUTION The danger of explosion exists if a battery of this type is incorrectly...
  • Page 8 Trademarks Microsoft, Windows, and MS-DOS are registered trademarks of Microsoft Cor- poration. PCL and LaserJet are registered trademarks of Hewlett-Packard Company. DPOS®, EET®, Destiny® are registered trade mark of Destiny Technology Corporation. OfficeStyler is trademark of Destiny Technology Corporation. General Notice: Other product names used herein are for identification purpose only and may be trademarks of their respective companies.

  • Page 9: Overall Machine Information

    June 10th, 1997 OVERALL MACHINE INFORMATION SPECIFICATIONS 1. OVERALL MACHINE INFORMATION Scan Resolution 1.1. SPECIFICATIONS Fax mode Type Standard: 200 x 100 dpi Desktop transceiver Detail: 200 x 200 dpi Fine: 200 x 400 dpi Circuit Copy mode: PSTN, PABX 400 x 400 dpi Connection Memory Capacity...
  • Page 10 OVERALL MACHINE INFORMATION June 10th, 1997 SPECIFICATIONS Paper Size Standard Cassette: USA: Letter Europe/Asia: A4 Optional Cassette: Paper size actuator Half-letter, Letter, Legal, A4, A5,F4 Operator input Width: 100 to 192 mm Length: 148 to 266.7mm Paper Capacity Standard Cassette: - 150 sheets Multi feeder: - 100 sheets Bypass Feeder: - 1 page Maximum Printing Width...

  • Page 11: Features

    June 10th, 1997 OVERALL MACHINE INFORMATION FEATURES 1.2. FEATURES Communication Features - User Selectable KEY: O = Used, X = Not Used Answering machine interface A = With optional cassette only Authorized Reception B = With optional memory 1M/2M/4M only Auto-answer delay time C = With optional handset only Auto dialing (pulse or DTMF)
  • Page 12 OVERALL MACHINE INFORMATION June 10th, 1997 FEATURES Communication Features - Other User Features User Selectable Center mark Send Later Checkered mark Silent ringing detection Clearing a memory file Specified Image Area Clearing a polling file Speed Dial (50 stations) Clock Super Fine Resolution Confidential ID (16 x15.4 l/mm : 400 x 400 dpi)
  • Page 13 June 10th, 1997 OVERALL MACHINE INFORMATION FEATURES Other User Features Service Mode Features User Parameters Country code Wild Cards DTMF tone test Echo countermeasure Effective term of service calls Reports - Automatic Error code display Charge Control Report Excessive jam alarm Communication Failure Report File Transfer (all files) Communication Result Report...

  • Page 14: Component Layout

    OVERALL MACHINE INFORMATION June 10th, 1997 COMPONENT LAYOUT 1.3. COMPONENT LAYOUT 1.3.1. Mechanical Components H523V501.wmf Name Description Scanner Contains a contact image sensor and a xenon lamp driver. R2 Roller Feeds the document out of the scanner. R1 Roller Feeds the document through the scanner. Separation roller Prevents more than one sheet from feeding into the scanner.
  • Page 15 June 10th, 1997 OVERALL MACHINE INFORMATION COMPONENT LAYOUT Name Description Paper Feed Rollers These pick up the top sheet of paper from the stack in the cassette and feed it into the printer. Toner Supply Bar This stirs up and transfers toner to the toner application roller.

  • Page 16: Electrical Components

    OVERALL MACHINE INFORMATION June 10th, 1997 COMPONENT LAYOUT 1.3.2. Electrical Components H523V502.wmf H523V503.wmf...
  • Page 17 June 10th, 1997 OVERALL MACHINE INFORMATION COMPONENT LAYOUT 1. PCBs Name Description FCU (Facsimile Control This board controls the machine. It contains the main Unit) cpu, flash ROM, system RAM, and so on. PSU (Power Supply Unit) This board supplies power to the machine, and switches the fusing lamp on/off.
  • Page 18 OVERALL MACHINE INFORMATION June 10th, 1997 COMPONENT LAYOUT 3. Sensors Name Description Toner End Sensor This detects when the toner has run out. Registration Sensor This detects when the paper has reached the registration roller. Paper Exit Cover Switch This detects when the paper feed-out cover is open or closed.
  • Page 19 June 10th, 1997 OVERALL MACHINE INFORMATION COMPONENT LAYOUT 6. Optional Cassette H523V504.wmf Name Description Paper Feed Clutch This transfers motor drive to the mechanisms of the optional cassette. Paper Width Sensor This detects the paper width installed in the optional cassette.

  • Page 20: Overall Machine Control

    OVERALL MACHINE INFORMATION June 10th, 1997 OVERALL MACHINE CONTROL 1.4. OVERALL MACHINE CONTROL Bi-Centronics F C U (Parallel) Data D6002 D9001LF Control Printer Z 8 5 2 3 0 Optional RS422 Board D R A M E X C 1 Localtalk (Serial) FCIP2...

  • Page 21: Video Data Path

    June 10th, 1997 OVERALL MACHINE INFORMATION VIDEO DATA PATH 1.5. VIDEO DATA PATH 1.5.1. Transmission Original Contact Image Sensor Assembly Image Sensor Xenon Lamp Amplifier Video Amplifier Processing FCIP2 Memory DATA/ADDRESS BUS Attenuator DRAM Line Buffer ECM/SAF /FIFO Memory Memory DIP: Digital Image Processor DCR: Data Compression and Reduction MDM: Modem...

  • Page 22: Reception

    OVERALL MACHINE INFORMATION June 10th, 1997 VIDEO DATA PATH 1.5.2. Reception From the Network MDM: Modem DCR: Data Compression and Reduction LIF: Laser Interface Amplifier M D M FCIP2 D C R Data/ Address Bus LDDR Line Buffer Page ECM/SAF Page /FIFO Memory...

  • Page 23: Copying

    June 10th, 1997 OVERALL MACHINE INFORMATION VIDEO DATA PATH 1.5.3. Copying Original Contact Image Sensor Assembly Image Sensor Xenon Lamp Amplifier Video Processing FCIP2 Memory D C R DATA/ADDRESS BUS Line Buffer ECM/SAF Page Page Memory /FIFO Memory Memory IC Card Memory LD DR DRAM...
  • Page 24 OVERALL MACHINE INFORMATION June 10th, 1997 VIDEO DATA PATH Reduction and Enlargement Sub-scan: The machine changes the scanner motor speed. Main-scan: The machine deletes certain specified bits from each line to re- duce the image. The machine changes the laser clock pulse for each pixel to enlarge the image.

  • Page 25: Pc Printing

    June 10th, 1997 OVERALL MACHINE INFORMATION VIDEO DATA PATH 1.5.4. PC Printing Data Data Data Printer D6002 D9001LF Components D R A M H523V511.wmf This machine works as a GDI printer when connected to a PC through the parallel cable. GDI printer is a printer which has a built-in support for Win- dows Graphical Device Interface (GDI), a Windows standard for representing graphical objects to monitors and printers.

  • Page 26: Pc Scanning

    OVERALL MACHINE INFORMATION June 10th, 1997 VIDEO DATA PATH 1.5.5. PC Scanning FCIP2 D6002 Scanner D C R Data/Address Bus E C M Memory H523v512.wmf The scanned data passes through the DIP block in the FCIP2 for analog/digi- tal processing. The data is compressed in the DCR block in the FCIP2 and passes through the ECM memory.

  • Page 27: Pc Fax

    June 10th, 1997 OVERALL MACHINE INFORMATION VIDEO DATA PATH 1.5.6. PC Fax When transmitting data from a PC, the PC fax software produces the AT com- mands and sends them to the specified COM port of the PC. The software redirects them to the specified parallel port.

  • Page 28: Power Distribution

    OVERALL MACHINE INFORMATION June 10th, 1997 POWER DISTRIBUTION 1.6. POWER DISTRIBUTION 1.6.1. Distribution Diagram Optional Optional Main Motor Card Cassette RS422C I/F Polygon Motor +24VM Paper Feed Motor +24VD Ozone Fan Main +24PP Power Pack Power +5VT Thermistor -5VCIS Main Switch DC-DC Sensors Converter...

  • Page 29: Memory Back-Up Circuit

    June 10th, 1997 OVERALL MACHINE INFORMATION POWER DISTRIBUTION 1.6.2. Memory Back-up Circuit + 5 V P O W E R S IC Card 1 V D E T Switching FCIP2 Circuit 1 S A F F G 5 R T C C S System D R A M R A M...

  • Page 30: Detailed Section Descriptions

    June 10th, 1997 DETAILED SECTION DESCRIPTIONS SCANNER 2. DETAILED SECTION DESCRIPTIONS 2.1. SCANNER 2.1.1. Overview 1. Book Scanner H523D501.wmf The scanner motor [A] drives the scanner [B] through the timing belt [C] and drive wire [D]. The shaft [E] guides scanner movement in the sub-scan direc- tion.
  • Page 31 DETAILED SECTION DESCRIPTIONS June 10th, 1997 SCANNER 2. ADF H523D502.wmf The sheet through type ADF feeds the document from the bottom page of the document stack on the table. The pick-up [A] and feed roller [B] feed the original into the scanner, and the separation roller [C] helps to feed one sheet at a time.

  • Page 32: Scanning

    June 10th, 1997 DETAILED SECTION DESCRIPTIONS SCANNER 2.1.2. Scanning 1. Contact Image Sensor H523D503.wmf The contact image sensor (CIS) assembly [A] consists of a dust shield [B], a roof mirror lens array [C], a xenon lamp [D], and an image sensor [E]. The CIS moves under the exposure glass when scanning a book original.

  • Page 33: Drive Mechanism

    DETAILED SECTION DESCRIPTIONS June 10th, 1997 SCANNER 2.1.3. Drive Mechanism 1. Book Scanner H523D504.wmf The book scanner motor [A] drives the scanner [B] through the timing belt [C] and drive wire [D]. The scanner moves along the guide shaft [E]. The spring [F] pushes up the contact image sensor [G] to the exposure glass, so that the distance from the image sensor to the exposure glass surface is constant during scanning.
  • Page 34 June 10th, 1997 DETAILED SECTION DESCRIPTIONS SCANNER 2. ADF H523D510.wmf The ADF motor [A] drives the seperation roller [B], the pick-up roller [C], the feed roller [D], the R1 roller [E], and the R2 roller [F]. The motor speed varies in the same way that the book scanner motor does (see the previous page).
  • Page 35 DETAILED SECTION DESCRIPTIONS June 10th, 1997 SCANNER 3. Scanner Position Adjustment Black Sheet White Shading Sheet Exposure Glass H523D508.wmf When the machine is turned on, the machine detects scanner home posi- tion.(scanner initialization) During scanner initialization, the scanner moves to the right until the home po- sition sensor turns off.

  • Page 36: Pick-Up (Adf)

    June 10th, 1997 DETAILED SECTION DESCRIPTIONS SCANNER 2.1.4. Pick-up (ADF) H523D511.wmf H523D513.wmf When the machine is turned on, the the pick-up roller [A] rotates counter- clockwise as shown. It then rotates clockwise until it reaches the stopper [B]. Then again counter-clockwise to the home position. When the machine starts to feed the document, the pick-up roller feeds the bottom page to the feed roller.

  • Page 37: Error Conditions

    DETAILED SECTION DESCRIPTIONS June 10th, 1997 SCANNER 2.1.6. Error Conditions 1. Book Scanner The FCIP2 detects an error if one of the following conditions occurs. Condition Description Error Code The scanner home position sensor did not turn on after the motor moved 350 mm back to the home 9-90 position after scanning.

  • Page 38: Printing

    June 10th, 1997 DETAILED SECTION DESCRIPTIONS PRINTING 2.2. PRINTING 2.2.1. Printing Process - Overview H523D521.wmf This machine uses a “write to black” system, using negative toner. • The charge corona wire gives the drum surface a negative charge of -750 V. •...

  • Page 39: Opc Drum

    DETAILED SECTION DESCRIPTIONS June 10th, 1997 PRINTING 2.2.2. OPC Drum H523D522.wmf An organic photoconductor drum [A] is used in this machine. The diameter of the drum is 30 mm. It is driven by the main motor [B] through a gear train. The toner application roller [C], development roller [D], and transfer roller [E] are also driven by the same gear train.
  • Page 40 June 10th, 1997 DETAILED SECTION DESCRIPTIONS PRINTING Charger Leak Detection: The machine detects a charger leak error when the FCU CN21-8 stays low for 3 seconds or more (6 seconds or more at power on) either while in standby mode or while the corona wire is being charged. When this occurs, the machine warns the customer by lighting the Call Service indicator (error code 9-17).

  • Page 41: Laser Exposure

    DETAILED SECTION DESCRIPTIONS June 10th, 1997 PRINTING 2.2.4. Laser Exposure H523D524.wmf 1. Overview The components of the laser section are the same as those described in the section 4-3-3 of the Group 3 Facsimile manual. The drum [A] is positioned in the same plane as the laser unit, so there is no mirror to change the optical path.
  • Page 42 June 10th, 1997 DETAILED SECTION DESCRIPTIONS PRINTING 2. Block Diagram Laser Laser Synch Detector Synch Detector Circuit L D D R FCIP2 LD Enable Laser 26-7 D A T A D i o d e 26-5 Controller Control 26-3 Mirror Motor Lock Laser 14-4 Polygon...
  • Page 43 DETAILED SECTION DESCRIPTIONS June 10th, 1997 PRINTING 4. Print Density Adjustment (1).Copy And Facsimle Mode The FCIP2 controls print image density by changing the laser pulse width to adjust the width of the dots across the page. The beam strength is not ad- justed in this model.
  • Page 44 June 10th, 1997 DETAILED SECTION DESCRIPTIONS PRINTING 5. Enlargement For enlargement, the FCIP2 controls the magnification ratio by changing the interval between pulses in the laser clock signals. So, for example, the clock signal pulse interval for 200% enlargement is twice as long as the interval for normal (100%) image reproduction.

  • Page 45: Toner Supply

    DETAILED SECTION DESCRIPTIONS June 10th, 1997 PRINTING 2.2.5. Toner Supply H523D525.wmf This machine uses monocomponent toner, which is composed of resin and ferrite. The toner mixing bar [A] stirs and carries toner to the toner supply roller [B]. The toner supply roller supplies toner to the development unit. The main motor [C] drives the toner supply mechanism through a gear train.
  • Page 46 June 10th, 1997 DETAILED SECTION DESCRIPTIONS PRINTING Initial Toner Supply Mode When the first CTM is installed in a new machine, the machine automatically supplies toner to the development unit for 90 seconds. This will also be done automatically after a RAM reset level 1 or 2 is performed. Initial toner supply mode must also be executed by a technician when the de- velopment unit is replaced.
  • Page 47 DETAILED SECTION DESCRIPTIONS June 10th, 1997 PRINTING Toner End Detection H523D527.wmf Toner near-end is detected by the toner end sensor [A], which is located be- low the toner tank. Toner Tank + 2 4 V FCIP2 Toner End Sensor H523D507.wmf While the main motor is rotating, the machine detects toner end by the volt- age output from the toner end sensor .

  • Page 48: Development

    June 10th, 1997 DETAILED SECTION DESCRIPTIONS PRINTING 2.2.6. Development H523D528.wmf Overview There are two development rollers in the development unit: the Toner Applica- tion Roller and the Development Roller. The toner supply bar [A] stirs and carries toner to the toner application roller [B].
  • Page 49 DETAILED SECTION DESCRIPTIONS June 10th, 1997 PRINTING Development Bias H523D529.wmf H523D530.wmf The power pack [A] applies one bias voltage to the toner application roller [B], toner metering blade [C], and bias brush [D], and a different voltage to the de- velopment roller [E].
  • Page 50 June 10th, 1997 DETAILED SECTION DESCRIPTIONS PRINTING Bias Control (After Each Page) After each page, the machine re- moves toner from the development Drum roller and returns it to the develop- - 750 V ment unit. To do this, -400V is applied to the development roller, - 400V Development...
  • Page 51 DETAILED SECTION DESCRIPTIONS June 10th, 1997 PRINTING Bias Control (Other) At the start and the end of any print process (including the cleaning and initial toner supply modes), -50 ± 50 V is applied to the toner application roller, and +250 ±...
  • Page 52 June 10th, 1997 DETAILED SECTION DESCRIPTIONS PRINTING Bias Control Circuit Q A 1 Bias0 21-6 Toner Application Bias1 21-7 Power Roller Transfer0 Pack 21-4 D e v e l o p m e n t Power Transfer1 Driver FCIP2 21-5 Roller Pack Transfer Roller...

  • Page 53: Paper Feed

    DETAILED SECTION DESCRIPTIONS June 10th, 1997 PRINTING 2.2.7. Paper Feed 1. Overview H523D515.wmf The standard cassette [A] holds 150 sheets and the bypass feed slot [B] feeds 1 sheet at a time. An Optional cassette can be fitted into cavity [C]. The registration roller [D] rotates clockwise when the standard cassette is used.
  • Page 54 June 10th, 1997 DETAILED SECTION DESCRIPTIONS PRINTING 2. Paper Lift Mechanism Standard and Optional Cassette H523D516.wmf H523D517.wmf When the standard cassette is closed after paper is loaded, the slide lock [A] is pushed by the projection [B] and comes off the bottom hook [C]. Once the slide lock comes off, the bottom plate is raised by the pressure springs and the top sheet pushes up against the corner separators [D].
  • Page 55 DETAILED SECTION DESCRIPTIONS June 10th, 1997 PRINTING 3. Paper Size and Paper End Detection Standard Cassette When the cassette runs out of paper, the paper end sensor actuator [A] drops through a slot in the bottom plate. Selectable cassette paper sizes: A4, Letter (by the user function) The paper size sensor is not installed for the standard cassette.
  • Page 56 June 10th, 1997 DETAILED SECTION DESCRIPTIONS PRINTING Paper Size / End Detection Paper End Sensor P a p e r E n d Standard Cassette 20-1 Paper Size Detector 20-2 Opitional Cassette 20-4 EXIO FCIP2 Paper Width Detector 20-9 Optional Cassette Paper End Sensor 20-5 P a p e r E n d...
  • Page 57 DETAILED SECTION DESCRIPTIONS June 10th, 1997 PRINTING 4. Pick-up and Separation Standard and Optional Cassettes The pick-up and separation mechanism is a corner separator type. Cross-reference Group 3 Facsimile Manual: section 4-5-4 The paper feed motor starts to rotate when the printer is ready for printing. By-pass Feed Slot There is no pick-up or separation system in the by-pass feed slot.
  • Page 58 June 10th, 1997 DETAILED SECTION DESCRIPTIONS PRINTING Bypass Feed Slot H523D520.wmf When a sheet of paper is placed in the bypass feed slot, the bypass feed sen- sor is turned on. The machine turns the paper feed motor counter-clockwise to prefeed the paper until the registration sensor [A] is turned on, or for 1 sec- ond, whichever is first.(See section 2-2-8 for a diagram of the registration sensor.) When the paper feed motor turns counter-clockwise, the gear box assembly...
  • Page 59 DETAILED SECTION DESCRIPTIONS June 10th, 1997 PRINTING Optional Cassette H523D520.wmf When the machine feeds a sheet of paper from the 100 sheet cassette, the paper feed motor [A] turns counter-clockwise to drive the paper feed rollers [B] and the registration roller [C] as shown in the diagram. The paper feed clutch [D] ensures that the paper feed roller rotates only once for each sheet of paper.

  • Page 60: Registration

    June 10th, 1997 DETAILED SECTION DESCRIPTIONS PRINTING 2.2.8. Registration H523D520.wmf The registration sensor [A] is positioned above the registration roller [B]. When a cassette is used, the machine stops the paper feed motor for a few moments when the registration sensor is turned on. When the bypass feed slot is used, the machine prefeeds the paper until the registration sensor is turned on (or for 1 second, whichever comes first).
  • Page 61 DETAILED SECTION DESCRIPTIONS June 10th, 1997 PRINTING Jam Detection Condition Error Code When the When the registration sensor is not turned on within standard 2.0 seconds of the paper feed clutch turning on. 9-07 cassette is used When the When the paper feed out sensor is not turned on standard, 100 within 5.5 seconds after the paper feed motor starts to 9-08...

  • Page 62: Transfer And Separation

    June 10th, 1997 DETAILED SECTION DESCRIPTIONS PRINTING 2.2.9. Transfer and Separation H523D535.wmf Instead of using a transfer corona wire, this machine uses a transfer roller, which touches the drum surface. A constant current of +4 ± 0.2 µA is applied to the transfer roller [A] from the power pack [B].
  • Page 63 DETAILED SECTION DESCRIPTIONS June 10th, 1997 PRINTING Cleaning Mode If the paper size is smaller than the printed image, or if a paper jam occurs during printing, toner may be transferred to the the roller surface. To prevent this toner from transferring to the back side of copies, the transfer roller has to be cleaned before the next printing run.

  • Page 64: Cleaning

    June 10th, 1997 DETAILED SECTION DESCRIPTIONS PRINTING 2.2.10. Cleaning The cleaning unit and the used toner tank are contained in the CTM. The cleaning blade [A] removes any toner remaining on the drum after the im- age is transferred to the paper. A magnetic roller [B] then brings the toner into the used toner tank [D].

  • Page 65: Fusing

    DETAILED SECTION DESCRIPTIONS June 10th, 1997 PRINTING 2.2.11. Fusing Fusing Lamp Control When the main switch is turned on, the machine turns on the fusing lamp and raises the fusing temperature to 80 °C in about 6 s. For printing, the ma- chine raises the fusing temperature to 185 °C.
  • Page 66 June 10th, 1997 DETAILED SECTION DESCRIPTIONS PRINTING Fusing Control Comparator 25-1 Thermistor Max Thermistor Thermistor Temp 25-2 FCIP2 THR SEL 12-1 12-2 Fusing Lamp * The thermofuse is not Thermofuse Thermostat used in USA models. H523D662.wmf During normal operation, the cpu controls the fusing lamp based on input from the thermistor using the above circuit.
  • Page 67 DETAILED SECTION DESCRIPTIONS June 10th, 1997 PRINTING Fusing Unit Drive H523D539.wmf The main motor [A] drives the fusing unit through a gear train. The paper feed-out sensor [B] detects when the paper is fed out of the unit. Jam Detection - Paper Feed Out The machine detects a paper jam when the paper feed out sensor is not turned off within X seconds or more after it is turned on (error Code 9-09).
  • Page 68 June 10th, 1997 DETAILED SECTION DESCRIPTIONS PRINTING Service Call Conditions Error Code Conditions (9-22) At power on If there is any problem with the thermistor. Sub-code 09 (This detection is also done when the machine comes back to the normal mode from the Power Saver Mode Level 2.) If the fusing temperature stays below 70 °C for more Standby mode...

  • Page 69: Page Separation And Data Reduction

    DETAILED SECTION DESCRIPTIONS June 10th, 1997 PRINTING 2.2.12. Page Separation and Data Reduction Incoming pages that are only slightly longer than the copy paper may be re- duced in the sub-scan direction. Whether or not this happens depends on the settings of printer bit switches 04 and 05.
  • Page 70 June 10th, 1997 DETAILED SECTION DESCRIPTIONS PRINTING Incoming pages that are longer than the maximum length will not be reduced, but will be printed on two pages and treated in accordance with the setting of bit 1 of bit printer switch 00. If this bit is 1, the bottom few lines of the page will continue from where the first page left off.

  • Page 71: Paper Size Selection

    DETAILED SECTION DESCRIPTIONS June 10th, 1997 PRINTING 2.2.13. Paper Size Selection If there is an optional cassette installed in the machine, the paper size to use is decided in accordance with the following rules. • If both cassettes contain the same paper size, the 100 sheet cassette will be used.

  • Page 72: System Features

    June 10th, 1997 DETAILED SECTION DESCRIPTIONS SYSTEM FEATURES 2.3. SYSTEM FEATURES 2.3.1. Power Saver Modes - Power Saver Timer - When the power saver timer expires, the machine automatically goes into a Power Saver Mode. During the power saver mode, the fuisng lamp is turned off or on according to the User Switch 05, bit 6 setting.

  • Page 73: Automatic Service Calls 2-44

    DETAILED SECTION DESCRIPTIONS June 10th, 1997 SYSTEM FEATURES 2.3.2. Automatic Service Calls 1. Service Call Conditions The machine makes an automatic service call when one of the following con- ditions occurs. Sub-code Service Call Conditions Error Code (8003A4H) Charge corona unit failure 9-17 11 or 12 Laser diode failure...
  • Page 74 June 10th, 1997 DETAILED SECTION DESCRIPTIONS SYSTEM FEATURES 2. Excessive Jam Alarms CALL Threshold (=6) Decrement Reset to Decrement zero NO-JAM1 DEC Threshold (=16) 16 pages fed without jam 16 pages fed without jam 16 pages fed without jam NO-JAM2 CLR Threshold (=48) 48 pages fed without jam H523D540.wmf...
  • Page 75 DETAILED SECTION DESCRIPTIONS June 10th, 1997 SYSTEM FEATURES Address (H) Initial Sys. Para. Parameters Settings List Printer DEC (1 - 255; 0 = Disabled) 8001E6 8001EA 10 (H) CALL (3 - 15; 0 = Disabled) 8001E7 8001EB 06 (H) (Low) 8001E8 8001EC 30 (H)
  • Page 76 June 10th, 1997 DETAILED SECTION DESCRIPTIONS SYSTEM FEATURES 4. PM Call If PM call is enabled, the machine will make an automatic service call when the PM counter reaches the PM threshold. Program the PM call interval at the following RAM addresses. (Default setting: 60,000 sheets) Address (H) Bits 7 - 4...

  • Page 77: Pcbs

    DETAILED SECTION DESCRIPTIONS June 10th, 1997 PCBs 2.4. PCBs 2.4.1. FCU Bi-Centronics F C U (Parallel) D6002 D9001LF Z 8 5 2 3 0 Printer Optional RS422 Board M a s k D R A M E X C 1 R O M Localtalk (Serial)
  • Page 78 June 10th, 1997 DETAILED SECTION DESCRIPTIONS PCBs 3. DRAM • 1024 kB DRAM shared between the Line Buffer (32 kB), ECM Buffer (64 kB or 128 kB), Page Memory (3 MB), and SAF memory (576 kB). • Backed up by the battery on the FCU (not available in US). 4.
  • Page 79 DETAILED SECTION DESCRIPTIONS June 10th, 1997 PCBs 11. Jumpers, Switches, and Test Points Item Description CN40-1 Analog video signal CN40-2 Scanner clock CN40-3 Synchronization signal CN40-4 COM1 ground Switches the system backup battery ON/Off. Note: Make sure to short these pins when you replace the FCU. 2.4.2.

  • Page 80: Ncu (Usa)

    June 10th, 1997 DETAILED SECTION DESCRIPTIONS PCBs 2.4.3. NCU (USA) O H D I S W TRXD Current RING Sensor OHDISW Hook0 N C U Hook1 Ex Ring Ring Detect RITONE Relay Ext. Tel DP/Off- Ex TDI Hook Detection C M L S W H523D550.wmf 1.

  • Page 81: Ncu (Europe/Asia) 2-52

    DETAILED SECTION DESCRIPTIONS June 10th, 1997 PCBs 2.4.4. NCU (Europe/Asia) R I T O N E S H U N T CML Relay Filter (16Hz) DO Sw. R I N G T R X D Current Sensor Loop Closure Circuit OHDI Sw.

  • Page 82: Interface

    June 10th, 1997 DETAILED SECTION DESCRIPTIONS PCBs 2.4.5. Interface 1. Host Interface Parallel Interface H523D600.wmf A 36 pin D-SUB Centronics connector (female). SIGNAL PIN SIGNAL NAME /STROBE (I) DATA1-8 (I) /ACK (O) BUSY (O) PE (O) SELECT (0) /AUTOFEED (I) CHASSIS GND 19-30 /INIT (I)
  • Page 83 DETAILED SECTION DESCRIPTIONS June 10th, 1997 PCBs 2. RS422 H523D601.wmf An 8 pin female connector (DIN-8). PIN NO. SIGNAL NAME DESCRIPTION HSK (0) Handshake HSK (0) Handshake TXD- (O) Transmit data — Signal ground RXD- (I) Receive data — TXD+ (O) Transmit data N.C.

  • Page 84: Installation

    June 10th, 1997 INSTALLATION INSTALLING THE MACHINE 3. INSTALLATION 3.1. INSTALLING THE MACHINE Refer to the Operator’s Manual for the installation environment and how to in- stall and set up the machine.The lever [A] prevents the scanner from moving during transportation. Push down this lever [A] to the “UNLOCK”...

  • Page 85: Initial Programming 3-2

    INSTALLATION June 10th, 1997 INITIAL PROGRAMMING 3.2. INITIAL PROGRAMMING Items to Program (Service Level) Function No. Country code (NCU parameter 00) Function 08 Country code (System switch 0F) Function 01 Protocol requirements (G3 switch 0B) Function 01 PABX access code (RAM address 8000B6) Function 06 PABX access method (RAM address 8000AD) Function 06...

  • Page 86: Service Tables And Procedures 4-1

    June 10th, 1997 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS 4. SERVICE TABLES AND PROCEDURES 4.1. SERVICE LEVEL FUNCTIONS In this section, frequently used keys are referred to with the following symbols. - Start key - Stop key - Function key - Yes key - No key - Up arrow key...

  • Page 87: System Parameter List (Function 02) 4-2

    SERVICE TABLES AND PROCEDURES June 10th, 1997 SERVICE LEVEL FUNCTIONS 4.1.2. System Parameter List (Function 02) FUNCTION KPAD/NEXT SERVICE FUNCTIONS then immediately 3. Finish: 4.1.3. Error Code Display (Function 03) FUNCTION KPAD/NEXT SERVICE FUNCTIONS then immediately ERROR CODE < > 1-01 JAN 01 17:30 3.

  • Page 88: Protocol Dump (Function 05) 4-3

    June 10th, 1997 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS 4.1.5. Protocol Dump (Function 05) FUNCTION KPAD/NEXT SERVICE FUNCTIONS then immediately START PROTOCOL DUMP 4. Finish: 4.1.6. RAM Display/Rewrite (Function 06) FUNCTION KPAD/NEXT SERVICE FUNCTIONS then immediately 0-MEM.R/W 1-MEM.DUMP ADDRESS = 000000 DATA = 00 4.

  • Page 89: Ram Dump (Function 06) 4-4

    SERVICE TABLES AND PROCEDURES June 10th, 1997 SERVICE LEVEL FUNCTIONS • View more addresses - go to step 4. • Finish - 4.1.7. RAM Dump (Function 06) FUNCTION KPAD/NEXT SERVICE FUNCTIONS then immediately 0-MEM.R/W 1-MEM.DUMP MEMORY DUMP START/N ADD.000000 - 0000FF 4.

  • Page 90: Counter Display/Rewrite (Function 07) 4-5

    June 10th, 1997 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS 4.1.8. 4.1.8. Counter Display/Rewrite (Function 07) FUNCTION KPAD/NEXT SERVICE FUNCTIONS then immediately 0-COUNTER 1-PM 2-DTM 3-OPU 3. Either: Check the transmitted, received, 012345 scanned and printed page counters, and 012345 the printer and scanner jam counters - press (To see the scanned and printed...

  • Page 91: Modem Test (Function 08) 4-6

    SERVICE TABLES AND PROCEDURES June 10th, 1997 SERVICE LEVEL FUNCTIONS 0-NCU 1-MODEM 2-DTMF 3-DETECT 4. Scroll through the parameters using KPAD/<> NO.04 = 005 . If you want to change a value, enter the new value at the keypad, then press Example: Set NCU parameter 04 to 005.

  • Page 92: Dtmf Tone Test (Function 08) 4-7

    June 10th, 1997 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS 4.1.11. DTMF Tone Test (Function 08) Note: You must install the speaker (H5155049) and harness (H5235311) to perform this test. (Refer to section 6.6.6) FUNCTION KPAD/NEXT SERVICE FUNCTIONS then immediately 0-NCU 1-MODEM 2-DTMF...

  • Page 93: Operation Panel Test (Function 09) 4-8

    SERVICE TABLES AND PROCEDURES June 10th, 1997 SERVICE LEVEL FUNCTIONS 4.1.13. Operation Panel Test (Function 09) FUNCTION KPAD/NEXT SERVICE FUNCTIONS then immediately 0-LED/LCD 5. To stop the test, press 6. To finish: 4.1.14. LED Array Test (Function 10) FUNCTION KPAD/NEXT SERVICE FUNCTIONS then immediately 0-LAMP...

  • Page 94: Adf Test (Function 10) 4-9

    June 10th, 1997 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS 4.1.15. ADF Test (Function 10) FUNCTION KPAD/NEXT then immedi- SERVICE FUNCTIONS ately 0-LAMP 1-ADF 2-BOOK 3-VIDEO START 4. Place a document in the feeder, then press 5. To stop the test, press 6.

  • Page 95: Image Sensor Signal Check/Sampling Clock Reset

    SERVICE TABLES AND PROCEDURES June 10th, 1997 SERVICE LEVEL FUNCTIONS 4.1.17. Image Sensor Signal Check/Sampling Clock Reset (Function 10) Do the following after replacing the contact image sensor unit or the FCU. (Also after RAM reset level 1.) then immediately FUNCTION KPAD/NEXT SERVICE FUNCTIONS...

  • Page 96: Printer Test Patterns (Function 11) 4-11

    June 10th, 1997 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS 4.1.18. Printer Test Patterns (Function 11) FUNCTION KPAD/NEXT SERVICE FUNCTIONS then immediately 0-PATTERN 1-MECH PATTERN PRINT KPAD 5. Press a key from 6. Press A test pattern is printed. 7. To finish: 4.1.19.

  • Page 97: Ram Tests (Function 12) 4-12

    SERVICE TABLES AND PROCEDURES June 10th, 1997 SERVICE LEVEL FUNCTIONS 4.1.20. RAM Tests (Function 12) FUNCTION KPAD/NEXT SERVICE FUNCTIONS then immediately 0-SRAM 1-SAF 2-SAFCARD 3-M->R 3. Either: Test the SRAM: Press Test the SAF: Press Test the SAF card: Press If test is successful, the display shows “OK”.

  • Page 98: Software Download (Function 12)

    June 10th, 1997 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS 4.1.21. Software Download (Function 12) This function copies software from an external medium to the Flash ROM on the machine’s FCU. The external medium for the new software can be an FCU or an EPROM board.

  • Page 99: Software Upload (Function 12) 4-14

    SERVICE TABLES AND PROCEDURES June 10th, 1997 SERVICE LEVEL FUNCTIONS Note: The switch [D] on the tool [A] must be at the ON position. 3. Turn on the machine. FUNCTION KPAD/NEXT SERVICE FUNCTIONS then immediately 0-SRAM 1-SAF 2-SAFCARD 3-M—>R If the software is successfully downloaded, the display shows “OK”. OK!! COPY MACH <- FLROM...

  • Page 100: Sram Data Download (Function 12) 4-15

    June 10th, 1997 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS OK!! COPY MACH -> FLROM If the software is successfully uploaded, the display shows “OK”. If the software upload fails, the display NG!! shows “NG”. COPY MACH -> FLROM 7. Finish : 8.

  • Page 101: Serial Number (Function 14) 4-16

    SERIAL # KPAD 3. Enter the machine’s serial number at the SERIAL # KPAD/Y/N keypad. RICOH 1234567 To correct a mistake: 4. If the display is correct: 5. Finish: 4.1.25. Service Station Fax Number (Function 13) FUNCTION KPAD/NEXT...

  • Page 102: Bit Switches

    June 10th, 1997 SERVICE TABLES AND PROCEDURES BIT SWITCHES 4.2. BIT SWITCHES WARNING Do not adjust a bit switch that is described as “Not used”, as this may cause the machine to malfunction or to operate in a manner that is not accepted by local regulations.
  • Page 103 SERVICE TABLES AND PROCEDURES June 10th, 1997 BIT SWITCHES System Switch 00 FUNCTION COMMENTS Technical data printout on 1: Instead of the personal code, the following data are TCR (Journal) listed on the TCR for each analog G3 communication. 0: Disabled e.g.
  • Page 104 June 10th, 1997 SERVICE TABLES AND PROCEDURES BIT SWITCHES Communication Parameters Mode DCS: ITU-T standard NSS: Non-standard G3 Modem rate 144: 14400 bps 120: 12000 bps 96: 9600 bps 72: 7200 bps 48: 4800 bps 24: 2400 bps Communication ECM: With ECM SSC: Using SSC mode EFC: Using EFC NML: With no ECM, SSC, or EFC Compression...
  • Page 105 SERVICE TABLES AND PROCEDURES June 10th, 1997 BIT SWITCHES System Switch 02 FUNCTION COMMENTS Memory file transfer 1: All messages in the memory (including confidential 0: Disabled rx messages) are sent to the fax number which is 1: Enabled programmed as the service station. Always reset this bit to zero after transfer.
  • Page 106 June 10th, 1997 SERVICE TABLES AND PROCEDURES BIT SWITCHES System Switch 04 FUNCTION COMMENTS OPC (DTM) replacement 0: The machine asks the user to replace the OPC level drum at 20,000 print intervals (default interval). 0: User After the user replaces the drum, the machine asks the 1: Service user if the drum is replaced or not.
  • Page 107 SERVICE TABLES AND PROCEDURES June 10th, 1997 BIT SWITCHES System Switch 05 FUNCTION COMMENTS 0-1 Not used Do not change the settings. Display of both RTI and CSI 1: Both RTI and CSI will be displayed alternately on on the LCD the LCD.
  • Page 108 June 10th, 1997 SERVICE TABLES AND PROCEDURES BIT SWITCHES System Switch 09 FUNCTION COMMENTS Priority given to various This bit determines which set of priorities the machine uses when listing remote terminal names on reports. types of remote terminal ID when printing reports 0: RTI >...
  • Page 109 SERVICE TABLES AND PROCEDURES June 10th, 1997 BIT SWITCHES System Switch 0E FUNCTION COMMENTS Not used Do not change the settings. Automatic cassette If this is enabled, the machine will automatically switch switchover over to the other cassette if paper runs out, if an 0: Disabled optional cassette is installed and the paper is of the 1: Enabled...
  • Page 110 System Switch 13 - Not used (do not change the settings) System Switch 14 FUNCTION COMMENTS Wording setting 0: Ricoh 1: Siemens - Set this bit to 1 for Siemens wording on The LCD panel. 1-7 Not used Do not change the default setting.

  • Page 111: Scanner Switches 4-26

    SERVICE TABLES AND PROCEDURES June 10th, 1997 BIT SWITCHES 4.2.2. Scanner Switches Scanner Switch 00 FUNCTION COMMENTS Not used Do not change the settings. Not used Do not change the settings. Maximum transmittable If the user wants to send very long documents such as document length well logs, select a higher setting.

  • Page 112: Printer Switches 4-27

    June 10th, 1997 SERVICE TABLES AND PROCEDURES BIT SWITCHES 4.2.3. Printer Switches Printer Switch 00 FUNCTION COMMENTS Page separation mark 0: No marks are printed. 0: Disabled 1: If a received page has to be printed out on two 1: Enabled sheets, an “x”...
  • Page 113 SERVICE TABLES AND PROCEDURES June 10th, 1997 BIT SWITCHES Printer Switch 03 FUNCTION COMMENTS Length reduction of 0: Incoming pages are printed without length received data reduction. 0: Disabled Cross reference 1: Enabled Page separation threshold: Printer Sw. 03, bits 4 to 7. 1: Incoming pages are reduced in the length direction when printing.
  • Page 114 June 10th, 1997 SERVICE TABLES AND PROCEDURES BIT SWITCHES Printer Switches 04 and 05 FUNCTION COMMENTS Reduction ratios used for different paper sizes (with reduction enabled in switch 03-0 above) If reduction is enabled, the data will be reduced in the length direction before printing. These switches determine the maximum reduction ratio for each paper size.

  • Page 115: Communication Switches 4-30

    SERVICE TABLES AND PROCEDURES June 10th, 1997 BIT SWITCHES 4.2.4. Communication Switches Communication Switch 00 FUNCTION COMMENTS Compression modes These bits determine the compression capabilities to available in receive mode be declared in phase B (handshaking) of the T.30 Bit 1 Modes protocol.
  • Page 116 June 10th, 1997 SERVICE TABLES AND PROCEDURES BIT SWITCHES Communication Switch 02 FUNCTION COMMENTS Burst error threshold If there are more consecutive error lines in the 0: Low 1: High received page than the threshold, the machine will send a negative response. The Low and High threshold values depend on the sub-scan resolution, and are as follows.
  • Page 117 SERVICE TABLES AND PROCEDURES June 10th, 1997 BIT SWITCHES Communication Switch 06 FUNCTION COMMENTS Dialing requirements: These switches are automatically set to the settings Germany required by each country after a country code (System 0: Disabled 1: Enabled Switch 0F) is programmed. Dialing requirements: Austria 0: Disabled 1: Enabled Dialing requirements:...
  • Page 118 June 10th, 1997 SERVICE TABLES AND PROCEDURES BIT SWITCHES Communication Switch 0D FUNCTION COMMENTS The amount of remaining 00 to FF (Hex), unit = 2 kbytes memory below which (e.g., 0C(H) = 24 kbytes) ringing detection (and One page is about 24 kbytes. therefore reception into If this setting is kept at 0, the machine will detect memory) is disabled...
  • Page 119 SERVICE TABLES AND PROCEDURES June 10th, 1997 BIT SWITCHES Communication Switch 14 FUNCTION COMMENTS Inch-to-mm conversion 0: Transmitting is always done in inch format. during transmission 1: If the other end only has mm-based resolution for 0: Disabled 1: Enabled printing, the machine converts the scanned data to mm-format before transmission.

  • Page 120: G3 Switches 4-35

    June 10th, 1997 SERVICE TABLES AND PROCEDURES BIT SWITCHES 4.2.5. G3 Switches G3 Switch 00 FUNCTION COMMENTS Monitor speaker during (0, 0): The monitor speaker is disabled all through the communication (tx and rx) communication. Bit 1 Bit 0 Setting (0, 1): The monitor speaker is on up to phase B in the Disabled T.30 protocol.
  • Page 121 CTC transmission conditions When using ECM, the machine will choose a slower 0: Ricoh mode (PPR x 1) modem rate after receiving PPR once (Ricoh mode) or 1: ITU-T mode (PPR x 4) four times (ITU-T mode). ITU-T: New acronym for the CCITT.
  • Page 122 June 10th, 1997 SERVICE TABLES AND PROCEDURES BIT SWITCHES G3 Switch 05 FUNCTION COMMENTS Initial Tx modem rate These bits set the initial starting modem Bit 3 2 1 0 Setting (bps) rate for transmission. 0 0 0 1 2.4k 0 0 1 0 4.8k Use the dedicatated transmssion 0 0 1 1 7.2k...
  • Page 123 SERVICE TABLES AND PROCEDURES June 10th, 1997 BIT SWITCHES G3 Switch 07 FUNCTION COMMENTS PSTN cable equalizer Use a higher setting if there is signal loss at higher (tx mode) frequencies because of the length of wire between the Bit 1 Bit 0 Setting modem and the telephone exchange.
  • Page 124 June 10th, 1997 SERVICE TABLES AND PROCEDURES BIT SWITCHES G3 Switch 0B FUNCTION COMMENTS Protocol requirements: Program these bit switches manually to match local Europe requirements. 0: Disabled 1: Enabled Protocol requirements: Spain 0: Disabled 1: Enabled Protocol requirements: Germany 0: Disabled 1: Enabled Protocol requirements: France...
  • Page 125 SERVICE TABLES AND PROCEDURES June 10th, 1997 NCU PARAMETERS 4.3. NCU PARAMETERS The following tables give the RAM addresses and units of calculation of the parameters that the machine uses for ringing signal detection and automatic dialing. The factory settings for each country are also given. Most of these must be changed by RAM read/write (Function 06), but some can be changed using NCU Parameter programming (Function 08);...

  • Page 126: Ncu Parameters

    June 10th, 1997 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Address Function Unit Remarks PSTN dial tone frequency upper Hz (BCD) If both addresses contain 807F04 limit (high byte) FF(H), tone detection is disabled. PSTN dial tone frequency upper 807F05 limit (low byte) PSTN dial tone frequency lower Hz(BCD) If both addresses contain...
  • Page 127 SERVICE TABLES AND PROCEDURES June 10th, 1997 NCU PARAMETERS Address Function Unit Remarks Busy tone ON time: range 1 20 ms 807F2A 807F2B Busy tone OFF time: range 1 Busy tone ON time: range 2 807F2C 807F2D Busy tone OFF time: range 2 807F2E Busy tone ON time: range 3 Busy tone OFF time: range 3...
  • Page 128 June 10th, 1997 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Address Function Unit Remarks Country dial tone upper frequency Hz (BCD) If both addresses contain 807F3F limit (HIGH) FF(H), tone detection is disabled. Country dial tone upper frequency 807F40 limit (LOW) Country dial tone lower frequency If both addresses contain 807F41...
  • Page 129 SERVICE TABLES AND PROCEDURES June 10th, 1997 NCU PARAMETERS Address Function Unit Remarks Break time (flash start mode) 1 ms The OHDI relay is open for 807F5A this interval. 807F5B International dial access code For a code of 100: 807F5B - F1 807F5C 807F5C - 00 PSTN access pause time...
  • Page 130 June 10th, 1997 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Address Function Unit Remarks 807F7B Not used Do not change the settings. 807F80 Interval between dialing the last 20 ms Factory setting: 500 ms digit and switching the Oh relay over to the external telephone 807F81 when dialing from the operation panel in handset mode.
  • Page 131 SERVICE TABLES AND PROCEDURES June 10th, 1997 NCU PARAMETERS Address Function Unit Remarks Acceptable AI short protocol tone Hz(BCD) If both addresses contain 807FAF (800Hz) detection frequency FF(H), tone detection is upper limit (high byte) disabled. Acceptable AI short protocol tone 807FB0 (800Hz) detection frequency upper limit (low byte)
  • Page 132 June 10th, 1997 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Notes 1. If a setting is not required, store FF in the address. 2. RAM address 807F5E: the lower four bits have the following meaning. Bit 2 1: International dial tone cadence detection enabled (Belgium) Bit 1 Not used Bit 0 1: PSTN dial tone cadence detection enabled (Italy) If bit 0 or bit 2 is set to 1, the functions of the following RAM addresses...
  • Page 133 SERVICE TABLES AND PROCEDURES June 10th, 1997 NCU PARAMETERS Default Settings The factory settings are quoted either in hexadecimal code (the actual con- tents of the RAM address) if there is a H after the value in the table, or in decimal (converted from the actual hex contents of the RAM address) if there is no H after the value.
  • Page 134 June 10th, 1997 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Country 807F06 807F07 807F08 807F09 807F0A France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Country 807F0B 807F0C...
  • Page 135 SERVICE TABLES AND PROCEDURES June 10th, 1997 NCU PARAMETERS Country 807F10 807F11 807F12 807F13 807F14 France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Country 807F15 807F16...
  • Page 136 June 10th, 1997 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Country 807F1C 807F1D 807F1E 807F1F 807F20 France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Country 807F21 807F22...
  • Page 137 SERVICE TABLES AND PROCEDURES June 10th, 1997 NCU PARAMETERS Country 807F26 807F27 807F28 807F29 807F2A France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Country 807F2B 807F2C...
  • Page 138 June 10th, 1997 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Country 807F30 807F31 807F32 807F33 807F34 France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Country 807F35 807F36...
  • Page 139 SERVICE TABLES AND PROCEDURES June 10th, 1997 NCU PARAMETERS Country 807F3A 807F3B 807F3C 807F3D 807F3E France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Country 807F3F 807F40...
  • Page 140 June 10th, 1997 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Country 807F44 807F45 807F46 807F47 807F48 France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Country 807F49 807F4A...
  • Page 141 SERVICE TABLES AND PROCEDURES June 10th, 1997 NCU PARAMETERS Country 807F4E 807F4F 807F50 807F51 807F52 France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Country 807F53 807F54...
  • Page 142 June 10th, 1997 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Country 807F5C 807F5D 807F5E 807F65 France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Country 807F66 807F72 807F73...
  • Page 143 SERVICE TABLES AND PROCEDURES June 10th, 1997 NCU PARAMETERS Country 807F76 807F77 807F78 807F79 807F7A France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Country 807F81 807F82...
  • Page 144 June 10th, 1997 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Country 807FA4 807FA5 807FA6 807FA7 807FA8 France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Country 807FA9 807FAA...
  • Page 145 SERVICE TABLES AND PROCEDURES June 10th, 1997 NCU PARAMETERS Country 807FAF 807FB0 807FB1 807FB2 807FB3 France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Country 807FB4 807FB5...
  • Page 146 June 10th, 1997 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Country 807FB9 807FBD 807FDA France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia 4-61...

  • Page 147: Dedicated Transmission Parameters

    SERVICE TABLES AND PROCEDURES June 10th, 1997 DEDICATED TRANSMISSION PARAMETERS 4.4. DEDICATED TRANSMISSION PARAMETERS Each Quick Dial Key and Speed Dial Code has four bytes of programmable parameters allocated to it. If transmissions to a particular machine often expe- rience problems, store that terminal’s fax number as a Quick Dial or Speed Dial, and adjust the parameters allocated to that number.

  • Page 148: Parameters

    June 10th, 1997 SERVICE TABLES AND PROCEDURES DEDICATED TRANSMISSION PARAMETERS 4.4.2. Parameters The initial settings of the following parameters are all FF(H) - all the parame- ters are disabled. Byte 0 FUNCTION AND COMMENTS CCITT T1 time If the connection time to a particular terminal is longer than the NCU parameter setting, adjust this byte.
  • Page 149 SERVICE TABLES AND PROCEDURES June 10th, 1997 DEDICATED TRANSMISSION PARAMETERS Byte 2 FUNCTION COMMENTS Initial Tx modem rate If training with a particular remote Bit 3 Setting (bps) terminal always takes too long, the Not used initial modem rate may be too high. 2,400 Reduce the initial Tx modem rate 4,800...

  • Page 150: Service Ram Addresses 4-65

    June 10th, 1997 SERVICE TABLES AND PROCEDURES SERVICE RAM ADDRESSES 4.5. SERVICE RAM ADDRESSES CAUTION Do not change the settings which are marked as “Not used” or “Read only.” 800001 to 800004(H) - ROM version (Read only) 800001(H) - Revision number (BCD) 800002(H) - Year (BCD) 800003(H) - Month (BCD) 800004(H) - Day (BCD)
  • Page 151 SERVICE TABLES AND PROCEDURES June 10th, 1997 SERVICE RAM ADDRESSES 8000A1(H) - User parameter switch 01 Bit 0: Auto Image Density home position 0: Off, 1: On Bit 1: Not used Bit 2: Copy/Fax key home position 0: Fax, 1: Copy Bits 3 to 6: Not used Bit 7: Settings return to home position after transmission 0: Disabled, 1: Enabled...
  • Page 152 June 10th, 1997 SERVICE TABLES AND PROCEDURES SERVICE RAM ADDRESSES 8000A7- 8000A9(H) - User parameter switch 07 to 09 Bits 0 to 7: Not used 8000AA(H) - User parameter switch 10 Bits 0 to 6: Not used Bit 7: Halftone type0: Error diffusion, 1: Dither 8000AB(H) - User parameter switch 11 Bits 0 to 7: Not used 8000AC(H) - User parameter switch 12...
  • Page 153 SERVICE TABLES AND PROCEDURES June 10th, 1997 SERVICE RAM ADDRESSES 8000BB(H) - PSTN access number for loop start Access number Hex value to program (BCD) Ø Ø Ø Ø 8000BC(H) - User function 61 settings Bits 0 to 7: The number of rings when auto mode is selected0 - 99 (BCD) 8000BE(H) - User function 62 settings* Bits 0 to 3: Not used Bits 4 to 5: Receive mode home position...
  • Page 154 June 10th, 1997 SERVICE TABLES AND PROCEDURES SERVICE RAM ADDRESSES 800158 to 80015A(H) - Tx counter (TX) Address High 800158(H) Tens digit Unit digit 800159(H) Thousands digit Hundreds digit 80015A(H) Millions digit Ten thousands digit Note: The following counters have the same data format as above. 80015B to 80015D(H) - Rx counter (RX) 80015E to 800160(H) - Scan counter (SCN) 800161 to 800163(H) - Print counter (PRT)
  • Page 155 SERVICE TABLES AND PROCEDURES June 10th, 1997 SERVICE RAM ADDRESSES 8001DE to 8001ED(H) - Excessive jam call parameters (Refer to section 2.3.* for details) 8001EE to 8001F0(H) - OPC (master drum) replacement interval (default: 20,000 prints) The machine asks the user to replace the drum at this interval, if bit 5 of system switch 04 is 0. 8001FA to 800223(H) - Night timer period (User function 71) 8001FA to 8001FC(H) - Setting #1 for Monday 8001FD to 8001FF(H) - Setting #2 for Monday...
  • Page 156 June 10th, 1997 SERVICE TABLES AND PROCEDURES SERVICE RAM ADDRESSES 8002AA(H) - Peak hold control during the scanning (only text mode)* If the original contains solid black data on the top of the page, this data may not be scanned as a black image due to peak hold control.
  • Page 157 SERVICE TABLES AND PROCEDURES June 10th, 1997 SERVICE RAM ADDRESSES 800512 to 800522(H) - Scanning contrast threshold* The smaller the setting, the darker the density. The settings in between Darkest and Normal, and Lightest and Normal are automatically calcu- lated. Text / Initial Mode...
  • Page 158 June 10th, 1997 SERVICE TABLES AND PROCEDURES SERVICE RAM ADDRESSES 803CDE to 803EEF(H) - Latest 10 error communication records One error communication record consists of 53 bytes. The format is as follows: 1st byte - Header Bit 0: Communication result0: OK, 1: NG Bit 1: Document jam 1: Occurred Bits 2 - 3: Not used...
  • Page 159 SERVICE TABLES AND PROCEDURES June 10th, 1997 SERVICE RAM ADDRESSES 16th byte to 35th byte - Remote terminal’s ID (RTI, TSI or CSI) (ASCII) 36th byte - Communication mode #1 Bits 0 - 1: Resolution used     , ...
  • Page 160 June 10th, 1997 PREVENTIVE MAINTENANCE SPECIAL TOOLS AND LUBRICANTS 5. PREVENTIVE MAINTENANCE 5.1. SPECIAL TOOLS AND LUBRICANTS • Flash/SRAM data copy tool (P/N: A1939353/H5159100) • Flash/SRAM data copy board (P/N: A1939351) • Launa Oil - 40 (P/N: 54429103) for scanner guide shaft 5.2.
  • Page 161 PREVENTIVE MAINTENANCE June 10th, 1997 PM TABLE Optional Paper Cassette Item Notes Feed Roller C (user) C (user) C (user) Soft cloth and water Separation Pad Ass’y Soft cloth and water C: Clean, R: Replace...
  • Page 162 June 10th, 1997 REPLACEMENT AND ADJUSTMENT EXTERIOR 6. REPLACEMENT AND ADJUSTMENT WARNING The machine contains a laser beam generator. Laser beams can cause permanent eye damage. Do not open the laser unit or look along the laser beam path while the main power is on. CAUTION Before starting disassembly, be sure to print all message files in the SAF memory.
  • Page 163 REPLACEMENT AND ADJUSTMENT June 10th, 1997 EXTERIOR 6.1.2. Rear Cover H523R502.wmf A: Rear Cover (1 screw, 7 positioning hooks) 6 - 2...
  • Page 164 June 10th, 1997 REPLACEMENT AND ADJUSTMENT EXTERIOR 6.1.3. Operation Panel H523R503.wmf A: ADF Upper Front Cover (1 screw) B: Upper right Cover (2 hooks) H523R504.wmf C: Operation Panel (1 connector, 1 grounding wire) 6 - 3...
  • Page 165 REPLACEMENT AND ADJUSTMENT June 10th, 1997 EXTERIOR 6.1.4. Platen Cover H523R505.wmf A: Platen Cover (2 hooks) 6.1.5. Upper Rear Cover H523R506.wmf A: Upper Rear Cover (5 positioning hooks) B: Platen Cover Sensor (1 connector, 3 hooks) 6 - 4...
  • Page 166 June 10th, 1997 REPLACEMENT AND ADJUSTMENT EXTERIOR 6.1.6. Exposure Glass H523R507.wmf A: White Shading Plate (1 snap) B: Bushing Note: First remove the white shading plate [A]. Leave the 3 screws in the ADF. Then remove the bushing. H523R508.wmf C, D: Brackets (1 screw each) E: Exposure Glass Note: Remove the brackets [C] and [D] first.
  • Page 167 REPLACEMENT AND ADJUSTMENT June 10th, 1997 SCANNER 6.2. SCANNER 6.2.1. Contact Image Sensor H523R509.wmf Move the image sensor [A] to the middle of scanning path. Then disconnect har- nesses [B] and [C]. D: Contact Image Sensor Assembly (2 connectors) After replacing the image sensor, do the following. 1.
  • Page 168 June 10th, 1997 REPLACEMENT AND ADJUSTMENT SCANNER 6.2.2. Lamp Stabilizer H523R510.wmf A: Lamp Stabilizer [A] (3 tapping screws, 3 connectors) 6.2.3. Scanner Home Position Sensor H523R546.wmf First remove the Operation Panel. A: Scanner Home Position Sensor (1 screw, 1 connector, 4 hooks) 6 - 7...
  • Page 169 REPLACEMENT AND ADJUSTMENT June 10th, 1997 SCANNER 6.2.4. Scanner Motor H523R537.wmf First remove the Front, Right and Rear Covers; then remove the Operation Panel. A: Bracket (10 screws) H523R511.wmf B: Stopper (1 screw) C: Bracket (4 screws) D: Scanner Motor (1 connector) 6 - 8...
  • Page 170 June 10th, 1997 REPLACEMENT AND ADJUSTMENT LASER PRINTING COMPONENTS 6.3. LASER PRINTING COMPONENTS 6.3.1. Laser Unit H523R512.wmf A: Right Cover (2 tabs) B: Front Cover (1 screw) C: Rear Cover (1 screw) D: Inner Bracket (9 screws) Warning Label H523R513.wmf First, remove the clip [A] and the harnesses [B], [C], and [D].
  • Page 171 REPLACEMENT AND ADJUSTMENT June 10th, 1997 LASER PRINTING COMPONENTS 6.3.2. Laser Diode Unit and Hexagonal Mirror Motor Warning Label (See below) H523R514.wmf A: Laser Unit (7 hooks) B: Laser Diode (2 tapping screws) C: Polygon Motor (3 tapping screws) WARNING Laser beams can cause permanent eye damage.
  • Page 172 June 10th, 1997 REPLACEMENT AND ADJUSTMENT DEVELOPMENT 6.4. DEVELOPMENT 6.4.1. Drum H523R515.wmf A: Drum 6.4.2. Development Unit H523R516.wmf First remove the inner cover [A]. B: Development Unit (2 clips, 1 connector) 6 - 11...
  • Page 173 REPLACEMENT AND ADJUSTMENT June 10th, 1997 DEVELOPMENT 6.4.3. Transfer Roller H523R517.wmf A: Transfer Roller (1 gear, 2 spacers) 6.4.4. Main Motor and Gears H523R518.wmf First, remove the zener diode [A], then remove the main motor assembly [B]. Note: Once the main motor assembly is removed, the gears and the shafts will come off the unit easily.
  • Page 174 June 10th, 1997 REPLACEMENT AND ADJUSTMENT DEVELOPMENT 6.4.5. Replacing the Development Unit H523R519.wmf The spare development unit does not come with the development roller installed. So, assemble the roller first, as shown above, before replacing the unit. A: Development Unit B: Development Roller C: Pin D: Development Roller Gear...
  • Page 175 REPLACEMENT AND ADJUSTMENT September 1st, 1997 DEVELOPMENT Initial Toner Supply After installing a new development unit, do the following: 1. Set bit 3 of RAM address 8003B0 to 1. 2. Turn off the machine and wait for 10 seconds. 3. Turn on the machine. 4.
  • Page 176 June 10th, 1997 REPLACEMENT AND ADJUSTMENT FUSING 6.5. FUSING 6.5.1. Fusing Unit H523R520.wmf A: Fusing Unit (2 screws, 1 connector) Note: The harness [B] is located under the bracket [C], as shown. 6.5.2. Thermistor H523R521.wmf A: Thermistor Cover (3 hooks) B: Thermistor (1 screw, 1 connector) 6 - 15...
  • Page 177 REPLACEMENT AND ADJUSTMENT June 10th, 1997 FUSING 6.5.3. Hot Roller Strippers H523R522.wmf First remove the cleaning felt [A] B: Hot Roller Strippers (1 spring each) Note: Be careful not to lose the springs. 6 - 16...
  • Page 178 June 10th, 1997 REPLACEMENT AND ADJUSTMENT FUSING 6.5.4. Fusing Lamp 115 V Models H523R523.wmf A: Fusing Lamp 220 V Models H523R524.wmf CAUTION Do not touch the glass surface. Skin oils on the surface of the lamp may affect copy quality. 6 - 17...
  • Page 179 REPLACEMENT AND ADJUSTMENT June 10th, 1997 FUSING 6.5.5. Hot Roller H523R525.wmf A: Fusing Upper Unit (2 screws) 115 V Machines H523R526.wmf B: Bracket (2 screws) C: Fusing Lamp Connector (1 screw) D: Hot Roller 6 - 18...
  • Page 180 June 10th, 1997 REPLACEMENT AND ADJUSTMENT FUSING 220 V Models H523R527.wmf B: Bracket (2 screws) C: Fusing Lamp Connector (2 screws) D: Hot Roller 6.5.6. Pressure Roller H523R528.wmf A: Bracket (2 screws) B: Bracket (1 screw) C: Pressure Roller 6 - 19...
  • Page 181 REPLACEMENT AND ADJUSTMENT June 10th, 1997 FUSING 6.5.7. Thermostat and Thermofuse H523R529.wmf A: Thermostat (2 screws) B: Thermofuse (2 screws) - 220 V Machines Only C, D: Terminal Plates - 220 V Machines Only 6 - 20...
  • Page 182 June 10th, 1997 REPLACEMENT AND ADJUSTMENT PAPER FEED 6.6. PAPER FEED 6.6.1. Paper Feed Roller H523R530.wmf A: Paper Feed Roller (1 clip and 1 bushing) Note: Ensure the flat side of the paper feed roller [A] and the bushing [B] face downward at reinstallation.
  • Page 183 REPLACEMENT AND ADJUSTMENT June 10th, 1997 PAPER FEED 6.6.3. Registration Sensor H523R532.wmf First remove the front cover. A: Registration Sensor (4 hooks, 1 connector) 6.6.4. Paper Feed Motor H523R533.wmf First, remove the operation panel and the rear cover. A: PCB Lower Cover (4 hooks) B: Stopper (1 screw) C: PCB Upper Cover (2 screws) 6 - 22...
  • Page 184 June 10th, 1997 REPLACEMENT AND ADJUSTMENT PAPER FEED H523R534.wmf D: Paper Feed Motor (2 screws, 1 connector) 6.6.5. Registration Roller H523R535.wmf First remove the gear box [A] (3 tapping screws, 1 screw). B: Registration Roller (2 clips, 1 gear, 2 bushings). 6 - 23...
  • Page 185 REPLACEMENT AND ADJUSTMENT June 10th, 1997 PAPER FEED 6.6.6. Speaker (Asia Model Only) H523R564.WMF A: Speaker (1 connector) B: Harness (2 connector) 6.6.7. Bypass Feed Sensor H523R536.wmf A: Bypass Feed Table (2 tabs, 1 connector) B: Bypass Feed Sensor Assembly (2 tabs, 1 connector) C: Bypass Feed Sensor (3 hooks) 6 - 24...
  • Page 186 June 10th, 1997 REPLACEMENT AND ADJUSTMENT PCBs 6.7. PCBs 6.7.1. NCU H523R537.wmf First remove the Front, Right and Rear Covers A: Bracket (10 screws) H523R538.wmf B: NCU Cover (1 screw) C: NCU (4 screws, 1 connector) 6 - 25...
  • Page 187 REPLACEMENT AND ADJUSTMENT June 10th, 1997 PCBs 6.7.2. FCU H523R540.wmf First remove the Front, Right , Rear Covers and bracket (refer to section 6.7.1). A: FCU (1 screws) After installing the new FCU, transfer the RAM data from the old FCU using serv- ice function 12 (refer to section 4.1.23) Note: When installing a new FCU, be sure to short jumper TB1[B], as shown.
  • Page 188 June 10th, 1997 REPLACEMENT AND ADJUSTMENT PCBs 6.7.3. PSU H523R541.wmf A: PSU (4 screws, 3 connectors) 6.7.4. Power Pack H523R542.wmf First remove the PCB lower cover. A: Power Pack (1 screw, 1 connector) 6 - 27...
  • Page 189 REPLACEMENT AND ADJUSTMENT June 10th, 1997 6.8. ADF 6.8.1. Feed Roller and Pick Up Roller H523R543.wmf A: Feed Roller Assembly B: Pick Up Roller Assembly (1 hook) 6.8.2. Seperation Roller H543R544.wmf A: Separation Roller 6 - 28...
  • Page 190 June 10th, 1997 REPLACEMENT AND ADJUSTMENT 6.8.3. R1 and R2 Rollers H523R545.wmf First remove the ADF Upper Front Cover. A: ADF Upper Unit Note: 1. Take care not to bend the mylar shield [B] when installing the upper unit. 2. At reinstallation, ensure bracket [C] is flush with gear shaft [D]. H523R547.wmf C: White Plate D: R1 Roller (1 stopper, 1 gear, 2 bushings)
  • Page 191 REPLACEMENT AND ADJUSTMENT June 10th, 1997 6.8.4. Scan Line Sensor, Cover Sensor and Document Sensor H523R548.wmf A: White Shading Sheet (1 snap) B: ADF Lower Unit (4 screws, 1 connector) H543R549.wmf C: ADF Lower Unit Guide (2 screws) D: Document Sensor (4 hooks) E: Scan Line Sensor (4 hooks) F: Cover Sensor (2 hooks) 6 - 30...
  • Page 192 June 10th, 1997 REPLACEMENT AND ADJUSTMENT 6.8.5. ADF Motor H523R550.wmf First remove the Operation Panel A: ADF Motor (2 screws, 1 connector) 6 - 31...
  • Page 193 REPLACEMENT AND ADJUSTMENT June 10th, 1997 OTHERS 6.9. OTHERS 6.9.1. Ozone Filter and Fan Motor H523R551.wmf A: Ozone Filter First remove the Rear Cover B: Fan Motor (4 hooks, 1 connector) 6.9.2. Toner End Sensor H523R552.wmf First remove the development unit. A: Toner End Sensor (4 hooks, 1 connector) 6 - 32...
  • Page 194 June 10th, 1997 REPLACEMENT AND ADJUSTMENT OTHERS 6.9.3. Feed-out Sensor and Exit Cover Sensor H523R553.wmf First remove the Fusing Unit. A: Feed-out Sensor (4 hooks) B: Exit Cover Switch (2 hooks) 6.9.4. Interlock Switch H523R554.wmf First remove the fusing unit. A: Interlock Switch A (4 hooks) B: Interlock Switch B (1 screw, 2 cables) 6 - 33...
  • Page 195 REPLACEMENT AND ADJUSTMENT June 10th, 1997 OPTIONAL PAPER CASSETTE 6.10. OPTIONAL PAPER CASSETTE 6.10.1. Bottom Cover H523R555.wmf A: Bottom Cover (4 hooks) 6.10.2. Paper End Sensor and Paper Width Sensor [B, C] H523R556.wmf A: Upper Cover (2 hooks) B, C: Paper End Sensor and Paper Width Sensor (3 hooks and 1 connector each) 6 - 34...
  • Page 196 June 10th, 1997 REPLACEMENT AND ADJUSTMENT OPTIONAL PAPER CASSETTE 6.10.3. Drive Components H523R557.wmf A: Idle Gear (1 clip) B: Paper Feed Clutch (1 clip, 1 bushing) C: Feed Roller (1 clip, 2 white bushings) 6.10.4. Paper Size Sensor and Interface Connector H523R558.wmf A: Sensor Cover (1 hook) B: Paper Size Indicator (1 clip, 1 spring)
  • Page 197 REPLACEMENT AND ADJUSTMENT June 10th, 1997 IMAGE ADJUSTMENT 6.11. IMAGE ADJUSTMENT 6.11.1. Overview H523R560.wmf This section explains how to adjust various scanning and printing parameters. Among these are the margin parameters shown in the diagram below, which are named in accordance with the table below the diagram. Adjustable by Parameters Description...
  • Page 198 June 10th, 1997 REPLACEMENT AND ADJUSTMENT IMAGE ADJUSTMENT 6.11.2. Scanner Parameters 1. Book Scanner Parameter Initial Formula Unit Address Setting This parameter changes the start bit of the main scan. 02(H) To increase the margin by X mm: 8002A3(H) 0.508mm (02to04) New setting = Current setting + X/0.508 To decrease the margin by X mm:...
  • Page 199 REPLACEMENT AND ADJUSTMENT June 10th, 1997 IMAGE ADJUSTMENT 2. 2.ADF Parameter Initial Formula Unit Address Setting This parameter changes the start bit of the main scan. 02(H) To increase the margin by X mm: 8002A2(H) 0.508mm (02to04) New setting = Current setting + X/0.508 To decrease the margin by X mm: New setting = Current setting + X/0.508 Not adjustable...
  • Page 200 June 10th, 1997 REPLACEMENT AND ADJUSTMENT IMAGE ADJUSTMENT 6.11.3. Printer Parameters 1. Margin (Main Scan Direction) Initial Parameter Formula Unit Address Setting Standard cassette: 800346(H) Optional 07(H) cassette: 0.5mm 80034B(H) Bypass feed: 80034C(H) H523R563.WMF To increase the margin by x mm: New setting = Current setting + x/0.5 To decrease the margin by x mm: New setting = Current setting - x/0.5...
  • Page 201 REPLACEMENT AND ADJUSTMENT June 10th, 1997 IMAGE ADJUSTMENT 2. Margin (Sub Scan Direction) Initial Parameter Formula Unit Address Setting Standard 0.64mm 0D(H) cassette: 80033C(H) Optional 0.64mm 10(H) cassette: 800341(H) H523R562.WMF Bypass 0.32mm 18(H) feeder: 800342(H) To increase the margin by x mm: New setting = Current setting + x/0.64(0.32) To decrease the margin by x mm: New setting = Current setting - x/0.64(0.32)
  • Page 202 June 10th, 1997 REPLACEMENT AND ADJUSTMENT IMAGE ADJUSTMENT 6.11.4. Scanner Video Processing Parameters The tables in the following pages show the following video processing pa- rameter settings for each of scanning mode. One byte of parameter is assigned for each mode, and they all have the same definitions as follows.
  • Page 203 REPLACEMENT AND ADJUSTMENT June 10th, 1997 IMAGE ADJUSTMENT Fax Mode Parameters Mode Address bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 BOOK 800553H 800557H HALF BOOK 80055BH TONE 80055FH HALF BOOK 800563H TONE 800567H Notes...
  • Page 204 June 10th, 1997 REPLACEMENT AND ADJUSTMENT IMAGE ADJUSTMENT Fax Mode Parameters Mode Address bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 BOOK 800554H 800558H HALF BOOK 80055CH TONE 800560H HALF BOOK 800564H TONE 800568H Notes...
  • Page 205 REPLACEMENT AND ADJUSTMENT June 10th, 1997 IMAGE ADJUSTMENT Fax Mode Parameters Mode Address bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 BOOK 800556H 80055AH HALF BOOK 80055EH TONE 800562H HALF BOOK 800566H TONE 80056AH Notes...
  • Page 206 June 10th, 1997 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 7. TROUBLESHOOTING 7.1. COPY QUALITY TROUBLESHOOTING If there is a copy quality problem that cannot be solved easily, try using the following troubleshooting procedures, while referring to the point-to-point dia- gram. The procedures may not be exhaustive, but they may help you to find the problem.
  • Page 207 TROUBLESHOOTING June 10th, 1997 COPY QUALITY TROUBLESHOOTING 7.1.1. Blank Copies Possible Cause (Scanner): • Malfunction in the scanner drive mechanism. • Obstructions in the scanner drive path. Action: 1. Do the ADF test (service function 10) and check that the scanner moves correctly.
  • Page 208 June 10th, 1997 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 7.1.2. Black Copies Possible Cause (Scanner) • The contact image sensor is defective. • The xenon lamp, or the xenon lamp driver is defective. Action: 1. Check the connection between the FCU (CN60) and the contact image sensor.
  • Page 209 TROUBLESHOOTING June 10th, 1997 COPY QUALITY TROUBLESHOOTING 7.1.3. Dirty Background h523t502.wmf h523t503.wmf Possible Cause (Scanner) • Scanner shading correction error or wrong threshold. Action: 1. Clean the shading plate (for both book and ADF). 2. Adjust the scanner contrast threshold settings. Possible Cause (Printer) •...
  • Page 210 June 10th, 1997 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 7.1.4. Uneven Image Density h523t504.wmf h523t503.wmf Possible Cause (Scanner) • Dirty exposure glass Action • Clean the exposure glass (for both book and ADF). • Replace the image sensor. Possible Cause (Printer) • Poor drum sensitivity.
  • Page 211 TROUBLESHOOTING June 10th, 1997 COPY QUALITY TROUBLESHOOTING 7.1.5. Vertical Black Lines h523t505.wmf h523t503.wmf Possible Cause (Scanner) When the problem occurs during book copying: • Defective contact image sensor element(s). When the problem occurs during ADF copying: • Dirt or dust on the ADF exposure glass. •...
  • Page 212 June 10th, 1997 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 7.1.6. Horizontal Black Lines h523t506.wmf h523t507.wmf Possible Cause (Printer) • The drum surface is scratched or damaged. • Charge corona leak failure. Action: 1. Check that the surface of the drum is not damaged. •...
  • Page 213 TROUBLESHOOTING June 10th, 1997 COPY QUALITY TROUBLESHOOTING 7.1.7. Vertical White Lines h523t508.wmf h523t503.wmf Possible Cause (Scanner) • Defective image sensor element(s). Action: • Replace the image sensor. Possible Cause (Printer) • The laser optic components are dirty. • The hot roller stripper scrapes off toner from the print paper. Action: •...
  • Page 214 June 10th, 1997 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 7.1.8. Horizontal White Lines h523t509.wmf h523t507.wmf Possible Cause (Printer) • The surface of the development roller is damaged or deformed. • The development bias is not stable. • Transfer current is not stable. Action: 1.
  • Page 215 TROUBLESHOOTING June 10th, 1997 COPY QUALITY TROUBLESHOOTING 7.1.9. Black Dots/Spots h523t510.wmf Possible Cause (Scanner) • Dust on the exposure glass. Action: • Clean the exposure glass. • Try disabling MTF. Possible Cause (Printer) • The drum surface is damaged (this is likely if the dots appear at 94.2 mm intervals).
  • Page 216 June 10th, 1997 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 7.1.10. White Spots in Black Image Areas h523t511.wmf Possible Cause (Printer) • The drum surface is damaged (this is likely if the dots appear at 94.2 mm intervals). • The development roller surface is damaged (this is likely if the dots ap- pear at 62.8 mm intervals).
  • Page 217 TROUBLESHOOTING June 10th, 1997 COPY QUALITY TROUBLESHOOTING 7.1.11. Faint Copies h523t512.wmf h523t503.wmf Possible Causes (Scanner) • Dirty shading plate and/or exposure glass • Wrong scan threshold • Contact image sensor (xenon lamp, sensor element) defect Action: • Clean the white plate (for both book and ADF). •...
  • Page 218 June 10th, 1997 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING Action: 1. Check whether the toner saving feature has not been selected with the user parameters. (If it has been selected, there is no problem.) 2. Print a test pattern, and open the cover in the middle of printing. 3.
  • Page 219 TROUBLESHOOTING June 10th, 1997 COPY QUALITY TROUBLESHOOTING 7.1.12. Vertical Black Band h523t513.wmf h523t503.wmf Possible Cause (Printer) • Dirty charge corona wire. • The toner metering blade is deformed, damaged, or incorrectly posi- tioned. Action: • Clean the charge corona wire. The wire cleaner is on the CTM. •...
  • Page 220 June 10th, 1997 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 7.1.13. Unfused Copies Possible Cause (Printer) • The thermistor is defective. • The fusing pressure roller spring mechanism is defective. • The wrong type of toner is being used. • A non-recommended type of paper is being used. Action: 1.
  • Page 221 TROUBLESHOOTING June 10th, 1997 COPY QUALITY TROUBLESHOOTING 7.1.15. Toner on the Back of the Printer Paper Possible Cause (Printer) • Dirty transfer roller • Dirty fusing pressure roller Action: 1. Check if the transfer roller is dirty with toner or not. •...
  • Page 222 June 10th, 1997 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 7.1.16. Misaligned Output (Data shifted to the right or left) Possible Cause (Scanner) • Incorrect setting of the document guide. Action: • Align each side of the document to the document guides. Possible Cause (Printer) •...
  • Page 223 TROUBLESHOOTING June 10th, 1997 MECHANICAL PROBLEMS 7.2. MECHANICAL PROBLEMS 7.2.1. ADF 1. Non Feed Possible Cause: • An incorrect type or size of document is used. • The ADF roller assembly is not properly installed. • The pick-up and feed rollers are dirty or worn out. •...
  • Page 224 June 10th, 1997 TROUBLESHOOTING MECHANICAL PROBLEMS 2. Jam Possible Cause: • An incorrect type or size of document is used. • The document is too long. • The ADF rollers (pick-up, feed, R1, and R2 rollers) are dirty. • Obstruction in the document paper path. •...
  • Page 225 TROUBLESHOOTING June 10th, 1997 MECHANICAL PROBLEMS 3. Skew Possible Cause: • An incorrect type or size of document is used. • The document guide is not properly set. • The ADF cover is not properly closed. • The ADF roller assembly is not properly installed. •...
  • Page 226 June 10th, 1997 TROUBLESHOOTING MECHANICAL PROBLEMS 7.2.2. Book Scanner 1. Abnormal Noise Possible Cause: • Obstruction in the scanner drive path. • Malfunction in the scanner drive components. Action: • Do the scanner test (service function 10) and check that the scanner moves correctly.
  • Page 227 TROUBLESHOOTING June 10th, 1997 MECHANICAL PROBLEMS 7.2.3. Printer 1. Non-feed Possible Cause: • A non-recommended type of paper is being used. • The paper cassette end fence is not properly set. • The paper lift mechaninsm (slide lock) is not working properly. •...
  • Page 228 June 10th, 1997 TROUBLESHOOTING MECHANICAL PROBLEMS 2. Paper Jam - Inside the Printer Possible Cause: • A non-recommended type of paper is being used. • The paper end fence and/or the paper guides in the cassette is not prop- erly set. •...
  • Page 229 TROUBLESHOOTING June 10th, 1997 MECHANICAL PROBLEMS 3. Jam - Fusing Exit Possible Cause: • A non-recommended type of paper is being used. • Obstruction in the paper path. • The registration sensor is defective. • Malfunction in the fusing drive mechanism. •...
  • Page 230 June 10th, 1997 TROUBLESHOOTING MECHANICAL PROBLEMS 4. Skew Possible Cause: • A non-recommended type of paper is being used. • Incorrect positioning of the paper guides in the paper cassette. • The corner separators are out of position. • The paper feed rollers are worn out or damaged. •...
  • Page 231 TROUBLESHOOTING June 10th, 1997 PC Connectivity Problems 7.3. PC Connectivity Problems If there is a problem related to PC connection, try doing the following proce- dure. First, distinguish whether the problem is caused by the PC or by your machine. 1.
  • Page 232 June 10th, 1997 TROUBLESHOOTING SERVICE CALL CONDITIONS 7.4. SERVICE CALL CONDITIONS If the Call Service indicator is lit, one of the following conditions has occurred. (Please refer to the section 2-2-11 for details of the service call conditions.) Symptom Error Code Sub-code SC-code Scanner home position error 9-11...
  • Page 233 TROUBLESHOOTING June 10th, 1997 ERROR CODES 7.5. ERROR CODES If an error code occurs, retry the communication. If the same problem occurs, try to fix the problem as suggested below. Note that error codes 4-00, 01, 02, and 10 only appear in the error code display and on the service report. Code Meaning Suggested Cause/Action...
  • Page 234 June 10th, 1997 TROUBLESHOOTING ERROR CODES Code Meaning Suggested Cause/Action 0-07 No post-message Check the line connection. response from the other Check the FCU - NCU connectors. end after a page was sent Replace the NCU or FCU. The other end may have jammed or run out of paper. The other end user may have disconnected the call.
  • Page 235 TROUBLESHOOTING June 10th, 1997 ERROR CODES Code Meaning Suggested Cause/Action 0-20 Facsimile data not Check the line connection. received within Check the FCU - NCU connectors. 6 s of retraining Replace the NCU or FCU. Check for line problems. Try calling another fax machine. Try adjusting the reconstruction time for the first line and/or rx cable equalizer setting.
  • Page 236 June 10th, 1997 TROUBLESHOOTING ERROR CODES Code Meaning Suggested Cause/Action 0-30 The other terminal did Check the line connection. not reply to NSS(A) in AI Check the FCU - NCU connectors. short protocol mode Try adjusting the tx level and/or cable equalizer settings.
  • Page 237 TROUBLESHOOTING June 10th, 1997 ERROR CODES Code Meaning Suggested Cause/Action 2-10 The modem cannot enter Replace the FCU. tx mode 2-11 Only one V.21 Change the FCU. connection flag was received 2-12 Modem clock irregularity Replace the FCU. 2-20 Abnormal Replace the FCU.
  • Page 238 June 10th, 1997 TROUBLESHOOTING ERROR CODES Code Meaning Suggested Cause/Action 6-01 G3 ECM - no V.21 signal Try adjusting the rx cable equalizer. was received Replace the FCU or NCU. 6-02 G3 ECM - EOR was received 6-03 G3 ECM - non-standard The other terminal may be defective.
  • Page 239 TROUBLESHOOTING June 10th, 1997 ERROR CODES Code Meaning Suggested Cause/Action 9-11 Home position not If the problem persists, replace the FCU. detected in book scanner Cross reference mode Charge corona failure - Section 7-3 9-12 Cover open detected Close the cover, or check the cover sensors. during printing 9-17 Charge corona unit failure If the problem persists, replace the FCU.
  • Page 240 June 10th, 1997 TROUBLESHOOTING ELECTRICAL COMPONENT DEFECTS 7.6. ELECTRICAL COMPONENT DEFECTS 7.6.1. Defective Sensor Table Sensor Status Symptoms if Defective ADF document sensor "CLEAR ORIGINAL" is displayed at power on. "SET DOCUMENT" is still displayed after a document is placed in the feeder. ADF scan line sensor "CLEAR ORIGINAL"...
  • Page 241 TROUBLESHOOTING June 10th, 1997 ELECTRICAL COMPONENT DEFECTS Sensor Status Symptoms if Defective Paper end sensor - op- The Add Paper indicator on the operation tional cassette panel lights even if paper is remaining. The Add Paper indicator on the operation panel does not light when the paper has run out.
  • Page 242 Point-to-Point Diagram Issued on: May 28th, 1997 Revision 1.0 Subject to change Model: Aficio FX10 Á +24V Fusing Lamp ON [ ÁÂ COM3 Power to the Fusing Lamp ON [ RSEL0 (US - Not used) COM3 RINGP0 ÂÁ +24V DOSW [ 5] (US - Not used) ÂÁ...
  • Page 243 PARTS CATALOG Model LFO [Europe/France/Asia] July 18,1997 Second Edition July 10,1997 First Edition...
  • Page 245 PARTS CATALOG INTRODUCTION This chapter instructs you the numbers and names of parts on this machine. INDEX to PARTS CATALOG 1.EXTERIOR - 1 ......................2 2.EXTERIOR - 2 ......................4 3.CASSETTE....................... 6 4.ADF UNIT 1 ......................8 5.ADF UNIT 2 ......................10 6.SCANNER - 1 ......................

  • Page 246: Exterior -1

    1.EXTERIOR -1...
  • Page 247 Rear Cover H523 3195 Ozone Filter H523 9570 Develpment Unit - Ass'y - LFO H523 8609 Operation Manual - Fax (Ricoh - Asia) H523 8629 Operation Manual - Fax (NRG - Asia) H523 3351 Manual Feed Table H523 3348 Decal - Manual Feed (EU/France)
  • Page 248 2.EXTERIOR - 2...
  • Page 249 Platen Cover Ass'y (Asia) H523 4066 Upper Rear Cover Ass'y H523 4213 Operation Panel Sheet - Gestetner (Asia) H523 4214 Operation Panel Sheet - Nashua (Asia) H523 4553 Operation Panel Sheet - Ricoh H515 5049 Speaker (Asia) H523 5311 Speaker Harness (Asia)

  • Page 250: Cassette

    3.CASSETTE...
  • Page 251 3.CASSETTE Q'ty Per Q'ty Per Index Index Parts No. Parts No. Description Description Aseembly Aseembly H521 3419 Bottom Plate Pad H523 3302 Bottom Plate H523 3304 Spring - Bottom Plate H523 3312 Front Corner Separator H523 3338 Front - Side Fence H523 3339 Rear - Side Fence H523 3303...

  • Page 252: Adf Unit 1

    4.ADF UNIT 1...
  • Page 253 4.ADF UNIT 1 Q'ty Per Q'ty Per Index Index Parts No. Parts No. Description Description Aseembly Aseembly H523 1301 Front Cover Sheet H523 1314 Pulley - R2 H523 1267 Front Drive Gear H523 1299 Spring - Slide Bearing H523 1285 Drive Bushing H523 1256 Cover Guide...
  • Page 254 5.ADF UNIT 2...
  • Page 255 5.ADF UNIT 2 Q'ty Per Q'ty Per Index Index Parts No. Parts No. Description Description Aseembly Aseembly H523 5010 ADF Motor H523 1073 Exposure Glass H523 1097 Exposure Glass Bracket H523 1096 Sensor Bracket H523 1094 Motor Bracket H523 5003 Photointerruptor H523 1264 Gear - Slow Down...

  • Page 256: Scanner - 1

    6.SCANNER - 1...
  • Page 257 6.SCANNER - 1 Q'ty Per Q'ty Per Index Index Parts No. Parts No. Description Description Aseembly Aseembly H523 1062 Stay Bracket 3 H523 1089 Fusing Sponge 1 H523 1090 CMT Stopper H523 1122 Bracket -On Off Detector H523 1079 Carriage Stopper H523 1101 Rear Rail H523 1083...
  • Page 258 7.SCANNER - 2...
  • Page 259 7.SCANNER - 2 Q'ty Per Q'ty Per Index Index Parts No. Parts No. Description Description Aseembly Aseembly H523 1075 Slider Shaft H523 5000 Contact Image Sensor Ass'y H523 1110 Base Sheet 1 H523 1088 Sheet - Flexible Board H523 1111 Base Sheet 2 H523 1074 Scanner Wire...
  • Page 260 8. LASERUNIT...
  • Page 261 8.lASERUNIT Q'ty Per Q'ty Per Index Index Parts No. Parts No. Description Description Aseembly Aseembly H510 4170 Laser Protter Unit H521 4056 Decal LD H515 2714 Cover - Laser Unit H521 5321 Harness - Mirror Motor H515 5040 Polygonal Mirror Motor-DC24V 0.35A H523 2700 Sync Detector Ass'y H515 2715...

  • Page 262: Paper Feed Section

    9.PAPER FEED SECTION...
  • Page 263 9.PAPER FEED SECTION Q'ty Per Q'ty Per Index Index Parts No. Parts No. Description Description Aseembly Aseembly H523 3337 Bracket - Manual Feed Sensor H523 3329 Front Rail - OP.Cassette H523 3334 Manual Feed Sensor Actuator H523 3330 Rear Rail - OP.Cassette H523 5362 Harness - Optional Cassette H523 3306...

  • Page 264: Development Unit

    10.DEVELOPMENT UNIT...
  • Page 265 10.DEVELOPMENT UNIT Q'ty Per Q'ty Per Index Index Parts No. Parts No. Description Description Aseembly Aseembly H523 2447 Spring - Transfer Roller H523 3162 Inner Cover H515 2487 Stopper - Pin H515 2456 Holder - Transfer Roller - Right H515 2461 Transfer Roller H515 2554 Stopper - Pin - L...

  • Page 266: Fusing Unit

    11.FUSING UNIT...
  • Page 267 11.FUSING UNIT Q'ty Per Q'ty Per Index Index Parts No. Parts No. Description Description Aseembly Aseembly H523 2150 Cleaning Felt Ass'y H523 2124 Spring Plate - Coupling H523 2139 Bushing - Fusing Exit Roler H523 5020 Fusing Thermistor H523 2149 Paper Exit Actuator H516 5018 Thermofuse...

  • Page 268: Paper Exit Section 1

    12.PAPER EXIT SECTION 1...
  • Page 269 12.PAPER EXIT SECTION 1 Q'ty Per Q'ty Per Index Index Parts No. Parts No. Description Description Aseembly Aseembly H523 2158 Interlock Switch Bracket H523 5336 Interlock Switch H523 5329 Relay Harness H523 2157 Inner Cover - Interlock Switch H523 2123 Ground Plate - Exit H523 2152 Discharge Brush - Exit...

  • Page 270: Frame And Electrical Section 1

    13.FRAME AND ELECTRICAL SECTION 1...
  • Page 271 13.FRAME AND ELECTRICAL SECTION 1 Q'ty Per Q'ty Per Index Index Parts No. Parts No. Description Description Aseembly Aseembly H523 3166 Upper Duct Shield H523 3143 Duct H523 5035 Ozone Fan Motor H523 3149 Power Pack Bracket H523 5037 Power Pack H523 5356 PSU Harness H523 5441...
  • Page 272 14.FRAME AND ELECTRICAL SECTION 2...
  • Page 273 14.FRAME AND ELECTRICAL SECTION 2 Q'ty Per Q'ty Per Index Index Parts No. Parts No. Description Description Aseembly Aseembly H523 3165 Inner Cover - Harness H523 3121 PCB Stay H523 3125 Harness Clamp H523 3122 PCB Bracket H523 6140 PCB - FCU - LFO - EUR H523 3152 Cover RS422 H523 3124...

  • Page 274: Option Cassette

    15.OPTION CASSETTE...
  • Page 275 15.OPTION CASSETTE Q'ty Per Q'ty Per Index Index Parts No. Parts No. Description Description Aseembly Aseembly H523 3451 Decal - Papaer Set H523 3439 Cassette Cover H522 3411 Decal:Side Fence:R H523 3416 Paper Guide Rear H523 3452 Decal - Paper Size H523 3412 Base PlateE H523 3444...

  • Page 276: Parts Index

    PARTS INDEX...
  • Page 277 Page And Page And Parts No. Description. Parts No. Description. Index No. Index No. 1105 0454 Cover - Ferrite Core 29 - 14 H515 2167 Holder - Fusing Lamp 23 - 19 5206 2686 Snap Ring 15 - 24 H515 2168 Lock Spring - Cleaning Pad 23 - 14 5206 2686...
  • Page 278 Page And Page And Parts No. Description. Parts No. Description. Index No. Index No. H515 2495 Spring - Bracket - Fusing Drive 21 - 17 H515 5049 Speaker (Asia) 5 - 29 H515 2542 Stopper - Bearing - M6 21 - 25 H515 5054 Paper Size Sensor 31 - 17...
  • Page 279 Page And Page And Parts No. Description. Parts No. Description. Index No. Index No. H523 1065 Driven Roller Bracket 15 - 9 H523 1107 Pressure Spring Plate 13 - 12 H523 1068 Drive Pulley Bracket 15 - 14 H523 1110 Base Sheet 1 15 - 3 H523 1071...
  • Page 280 Page And Page And Parts No. Description. Parts No. Description. Index No. Index No. H523 1273 Pickup Gear 11 - 28 H523 1309 S1 Lever 9 - 6 H523 1274 Shading Sheet 11 - 37 H523 1311 Feed Gear - Middle 11 - 14 H523 1275 Feed Roller Shaft...
  • Page 281 Page And Page And Parts No. Description. Parts No. Description. Index No. Index No. H523 2119 Fusing Driver Cover 23 - 11 H523 2405 Transfer Guide Ass'y 21 - 38 H523 2120 Exit Cover 25 - 21 H523 2428 Main Motor 21 - 16 H523 2121 Spring Plate - Exit...
  • Page 282 Page And Page And Parts No. Description. Parts No. Description. Index No. Index No. H523 3151 Cover RS232C 29 - 8 H523 3330 Rear Rail - OP.Cassette 19 - 4 H523 3152 Cover RS422 29 - 6 H523 3331 Manual Feed Table 3 - 5 H523 3153 Rail Bracket...
  • Page 283 H523 4543 Operation Panel Ass'y (NRG-Asia) 5 - 23 H523 4023 Front Cover 3 - 9 H523 4553 Operation Panel Sheet - Ricoh 5 - 28 H523 4024 Rear Cover 3 - 11 H523 4556 Quick Dial Sheet 5 - 24...
  • Page 284 Operation Manual - FAX (Ricoh) 34 - 15 H523 5040 Paper Feed Motor 19 - 20 H523 8609 Operation Manual - Fax (Ricoh - Asia) 3 - 15 H523 5050 Magnetic Clutch - 31 - 24 H523 8621 Operation Manual - FAX (NRG)

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