Ricoh SP 230SFNw Service Manual
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Ricoh SP 230SFNw Service Manual

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MODEL
SP 230SFNw
Read this manual thoroughly before maintenance work.
Keep this manual in a convenient place for quick and easy reference at all times.
August 2017
SM-FAX194
8C5K*
Ver.1
SERVICE MANUAL
Confidential

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Summary of Contents for Ricoh SP 230SFNw

  • Page 1 SERVICE MANUAL MODEL SP 230SFNw Read this manual thoroughly before maintenance work. Keep this manual in a convenient place for quick and easy reference at all times. August 2017 SM-FAX194 8C5K* Ver.1 Confidential...
  • Page 2 Trademarks Microsoft and Windows are registered trademarks of Microsoft Corporation in the United States and/or other countries. Apple and Mac are trademarks of Apple Inc., registered in the U.S. and other countries. AirPrint and the AirPrint logo are trademarks of Apple Inc. App Store is a service mark of Apple Inc.
  • Page 3 Copyright and License This product includes software developed by the following vendors: ©1983-1998 PACIFIC SOFTWORKS, INC. ALL RIGHTS RESERVED. ©2008 Devicescape Software, Inc. All rights reserved. This product includes the “KASAGO TCP/IP” software developed by ZUKEN ELMIC, Inc. Copyright 1989-2014 Datalight, Inc., All Rights Reserved. ®...

  • Page 4: Table Of Contents

    CONTENTS SAFETY INFORMATION ...................vi CHAPTER 1 SUPPLEMENTAL SPECIFICATIONS 1. GENERAL ........................... 1-1 2. NETWORK CONNECTIVITY ....................... 1-2 3. SERVICE INFORMATION ......................1-3 4. MEDIA SPECIFICATIONS ......................1-4 5. FAX .............................. 1-5 6. COPY ............................1-6 7. SCANNER ........................... 1-7 CHAPTER 2 ERROR INDICATIONS AND TROUBLESHOOTING 1.
  • Page 5 4.2.5 Paper is fed at an angle ..................2-58 4.2.6 Paper curls ......................2-59 4.2.7 Unable to perform 2-sided printing ............... 2-59 4.2.8 Paper jam ......................2-60 Troubleshooting for Image Defects ................... 2-64 4.3.1 Image defect examples ..................2-64 4.3.2 Troubleshooting image defect ................
  • Page 6 4.14.2 Cannot update firmware ..................2-96 4.14.3 “Paper Low” message does not disappear ............2-96 4.14.4 Message indicating that the report is full does not disappear ......2-97 4.14.5 Paper tray cannot be recognized ................. 2-97 CHAPTER 3 DISASSEMBLY/REASSEMBLY 1. SAFETY PRECAUTIONS ......................3-1 2.
  • Page 7 8.19 Fan ........................... 3-56 8.20 Laser unit flat cable / Laser unit ..................3-57 8.21 Filter ..........................3-59 8.22 Wireless LAN PCB ......................3-60 8.23 Roller holder ASSY ......................3-61 8.24 Main PCB ASSY ....................... 3-62 8.25 T1 clutch / Registration clutch ................... 3-63 8.26 Front chute ASSY / Frame L unit ..................
  • Page 8 Details of Maintenance Mode Functions ................5-3 1.3.1 Initialize EEPROM parameters (Function code 01, 91) .......... 5-3 1.3.2 Transition to shipping state (Function code 03) ............. 5-4 1.3.3 ADF performance test (Function code 08) ............. 5-5 1.3.4 Print quality test pattern (Function code 09) ............5-6 1.3.5 Check LCD operation (Function code 12) ..............

  • Page 9: Safety Information

    SAFETY INFORMATION Definitions of Warnings, Cautions, and Notes and Memos  The following conventions are used in this manual: WARNING WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injuries. CAUTION CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injuries.
  • Page 10 To use the Machine Safely  Please keep these instructions for later reference and read them before attempting any maintenance. If you do not follow these safety instructions, there is a possibility of a fire, electrical shock, burn or suffocation. WARNING ELECTRICAL HAZARDS Failure to follow the warnings in this section may create the risk of an electrical shock.
  • Page 11 Doing this might cause an electrical shock. • Ricoh strongly recommends that you DO NOT use any type of extension cord. • DO NOT put toner cartridges or a toner cartridge and drum unit assembly into a fire or places susceptible to fire.
  • Page 12 When you move the product, carry the product as shown in the illustration. (Products with scanning function only) To prevent injuries, be careful not to put your fingers in the areas shown in the illustrations. When using your telephone equipment, basic safety precautions should always be followed to reduce the risk of fire, electrical shock, and injury to people.
  • Page 13 Caution for Laser Product (WARNHINWEIS für Laserdrucker)  CAUTION: In case of any trouble with the laser unit, replace the laser unit itself. To prevent direct exposure to the laser beam, do not try to open the enclosure of the laser unit. ACHTUNG: Im Falle von Störungen der Lasereinheit muß...
  • Page 14 For protection against the risk of electrical shock, always disconnect all cables from the walloutlet before the equipment is installed, serviced, or modified. DO NOT attempt to service this product yourself. Refer all servicing to a Ricoh Authorized Service Center.

  • Page 15: Chapter 1 Supplemental Specifications

    CHAPTER 1 SUPPLEMENTAL SPECIFICATIONS 1. GENERAL The function comparative table for models as described in this Service Manual are shown below. Wired/Wireless LAN Wired/Wireless  Auto Duplex Print Duplex Scan  Auto Duplex Copy Scanning Method LCD Type 16 characters x 2 lines Up to A4/LTR ...

  • Page 16: Network Connectivity

    2. NETWORK CONNECTIVITY Wired network Network node type NC-9300h type2 Wireless network Network node type NC-8800w type2 Specifications are subject to change without notice. Confidential...

  • Page 17: Service Information

    3. SERVICE INFORMATION Machine life 50,000 pages (A4/LTR) or 5 years Specifications are subject to change without notice. Confidential...

  • Page 18: Media Specifications

    4. MEDIA SPECIFICATIONS Media types Plain Paper, Thin Paper, Recycled Paper, Thick Paper Paper input 50 sheets Media weight 60 to 105 g/m (16 to 28 lb) Media size Width 105 to 215.9 mm, Length 147.3 to 355.6 mm Specifications are subject to change without notice. Confidential...

  • Page 19: Fax

    5. FAX Modem speed 33,600 bps (FAX) Transmission speed Approx. 2.5 sec. (ITU-T Test Chart, Std resolution, JBIG) ITU-T group Super G3 Color FAX (Sending/Receiving) Color FAX/Memory (Send/Receive) Internet FAX (ITU T.37 simple mode) Internet FAX (ITU T.38) Specifications are subject to change without notice. Confidential...

  • Page 20: Copy

    6. COPY Copy speed Up to 30/32 cpm (A4/Letter) First From Less than 10 secs copy Ready out time mode and Paper tray From Less than 21 secs Sleep mode and Paper tray Print resolution (dpi) 600 x 600 dpi Auto duplex scanning copy Specifications are subject to change without notice.

  • Page 21: Scanner

    7. SCANNER Resolution Max. 1,200 x 1,200 dpi (Optical) Max. 600 x 600 dpi Resolution (Interpolated) Max. 19,200 x 19,200 dpi Scanning speed Single A4: 22.5/7.5 (Mono/Color) (images / LTR: 23.6/7.9 Multiple sheets minute) In accordance Duplex with ISO/ (images / IEC17991 minute) Specifications are subject to change without notice.

  • Page 22: Chapter 2 Error Indications And Troubleshooting

    CHAPTER 2 ERROR INDICATIONS AND TROUBLESHOOTING 1. INTRODUCTION Troubleshooting is the countermeasure procedures that the service personnel should follow if an error or malfunction occurs with the machine. It is impossible to anticipate all of the possible troubles which may occur in future and determine the troubleshooting procedures, so this chapter covers some sample troubles.
  • Page 23 Warning DO NOT use any flammable spray or flammable solvent such as alcohol, benzine, or thinner in or around the machine. Otherwise a fire or electric shock may result. (5) Check again that the portions and parts repaired or removed during the repair work function properly when the repair is completed.

  • Page 24: Checks Before Commencing Troubleshooting

    1.2 Checks before Commencing Troubleshooting Check the following items before attempting to repair the machine.  Operating environment (1) The machine is placed on a flat, stable surface. (2) The machine is used in a clean environment where the temperature is between 10°C (50°F) and 32°C (89.6°F) and the relative humidity is maintained between 20% and 80%.
  • Page 25  Cleaning Use a soft dry lint-free cloth. Warning DO NOT use any flammable spray or flammable solvent such as alcohol, benzine, or thinner to clean the machine. DO NOT use these articles near the machine. Confidential...

  • Page 26: Overview

    2. OVERVIEW 2.1 Cross-section Drawing 2.1.1 Printer part Eject roller 2 Exposure drum Laser unit Registration rear actuator Registration roller Registration front actuator <Back side> <Front side> Manual feed slot Back cover Eject roller 1 Paper dust cleaning roller Eject/Fuser cover actuator Paper feed actuator...

  • Page 27: Scanner Part

    2.1.2 Scanner part Document pinch roller 1 Document separation pad Document feed roller 1 Document separate roller Document separate roller ASSY Document feed roller 2 Document tray <Left side> <Right side> Document stopper Document pinch roller 2 Document scanning position actuator Document eject roller Scanner glass Document hold...

  • Page 28: Paper Feeding

    2.2 Paper Feeding 2.2.1 Printer part Eject to output tray Feed from manual feed slot Eject to back side <Back side> <Front side> Duplex path Fig. 2-3 Confidential...

  • Page 29: Scanner Part

    2.2.2 Scanner part Document feed path Fig. 2-4 Confidential...

  • Page 30: Operation Of Each Part And Location Of Parts

    2.3 Operation of Each Part and Location of Parts Part name Operation Paper pick up roller Feeds the paper to the separation roller from the paper tray. Separation roller, Separates paper fed from the paper tray into single sheets. Separation pad Paper feed actuator Detects paper trays (open / closed).
  • Page 31  Location of sensors and clutches ADF cover sensor Document detection sensor Document scanning position sensor New toner sensor PCB ASSY Eject sensor Registration PCB ASSY front sensor Back cover/duplex tray sensor Registration rear sensor Front cover sensor Paper feed sensor PCB ASSY Registration clutch T1 clutch Fig.

  • Page 32: Block Diagram

    2.4 Block Diagram Panel PCB ADF unit ADF cover sensor Document detection sensor PCB Document scanning position sensor PCB ADF motor Document scanner unit CIS unit FB motor Modem PCB Wireless LAN PCB T1 paper feed sensor PCB Main PCB T1 paper feed sensor High-voltage power supply...

  • Page 33: Main Components

    2.5 Main Components ADF unit Document scanner unit Modem shield plate Panel unit Joint cover ASSY Fig. 2-8 2-12 Confidential...
  • Page 34 Back cover Side cover R Inner chute ASSY Laser unit Outer chute ASSY New toner sensor PCB ASSY Fuser cover Low-voltage power Fuser unit supply PCB ASSY Eject sensor Main shield plate PCB ASSY High-voltage power supply PCB ASSY Fuser gear Paper feed sensor PCB ASSY 64R/36R Paper feed motor...

  • Page 35: Error Indications

    3. ERROR INDICATIONS This machine includes a self-diagnosis function. If the machine does not work normally it judges that an error has occurred, and indicates the corresponding error message on the LCD, which in turn helps the service personnel to quickly find out the problem. 3.1 Error Codes Error Refer...

  • Page 36: Error Codes

    Error Refer Error Refer Description Description Codes Codes 0D04 --- 2500 --- 0E00 --- 2501 --- 1003 --- 2502 --- 1004 --- 2503 --- 1100 --- 2601 --- 1200 --- 2602 --- 1300 --- 2603 --- 1400 --- 2604 --- 1500 --- 2605 --- 1701 ---...
  • Page 37 Error Refer Error Refer Description Description Codes Codes 3301 --- 4A00 --- Dot counter of the toner cartridge or 3302 --- 4B01 develop roller counter reaches the 2-38 upper limit soon. 3401 --- 4B02 --- 3402 --- 4B03 --- 3501 --- 4B04 --- 3601 --- 4B06 ---...
  • Page 38 Error Refer Error Refer Description Description Codes Codes 5406 --- 6300 --- 5502 --- 6400 --- 5602 --- 6602 --- 5702 --- 6701 --- The side thermistor detected a 5801 --- 6801 temperature higher than the specified 2-41 value. 5802 --- 6802 --- Some fuser unit errors occurred at 5902 ---...
  • Page 39 Error Refer Error Refer Description Description Codes Codes 7104 --- 8100 --- 7105 --- 8401 --- 7106 --- 8402 --- 7200 --- 8403 --- 7300 --- 8501 --- 7301 --- 8502 --- When printing from the paper tray, the registration front sensor does not 7302 detect paper pass within the specified 2-43...
  • Page 40 Error Refer Error Refer Description Description Codes Codes The registration rear sensor detected that the paper fed was smaller or larger 8A01 2-45 9203 --- than the specified size in duplex printing mode. 8A02 --- 9204 --- 8B01 --- 9205 --- There is no paper set in the manual feed 8C00 2-45...
  • Page 41 Error Refer Error Refer Description Description Codes Codes 9706 --- 9D04 --- 9801 --- 9D05 --- 9802 --- A000 --- The document scanning position sensor 9803 --- A200 detected that the document length was 90 2-48 cm or more during the one-side scanning. The document scanning position sensor has not detected the document 9804 ---...
  • Page 42 Error Refer Error Refer Description Description Codes Codes The document scanning position sensor detected that the document BF00 length was 400 mm or longer and 2-54 ED00 --- could not be fed to ADF (double-side restoration). C001 --- EE00 --- The spec code was not entered C002 --- F900...

  • Page 43: Error Message

    3.2 Error Message The error messages displayed on the LCD of the machine and their description are shown in the table below. Error message Error Refer Description codes Initial display Scroll Cartridge Put the Toner The new toner sensor of the Error Cartridge back in.
  • Page 44 Error message Error Refer Description codes Initial display Scroll Jam Inside Open the Front After the registration rear sensor Cover, pull out the detects paper pass, the eject Drum Unit sensor does not detect paper 7000 2-42 pass. completely and remove the jammed paper.
  • Page 45 Error message Error Refer Description codes Initial display Scroll No Paper T1 Reload paper in When paper was fed from the Tray 1. paper tray, the T1 paper feed 9302 2-47 sensor detected that no paper was in the paper tray. When paper was fed from the paper tray, the T1 paper feed sensor detected that no paper...
  • Page 46 Error message Error Refer Description codes Initial display Scroll Print Unable Turn the power off Detected the fuser unit 0501 2-35 and then back on temperature error. 0502 2-35 again. 0503 2-35 0504 2-35 0505 2-35 0506 2-35 0508 2-35 050A 2-35 050B...
  • Page 47 Error message Error Refer Description codes Initial display Scroll Print Unable Turn the power off An error occurred during access and then back on to the DRAM in the main PCB E500 2-55 again. ASSY. Print Unable Turn the power off Write error in the EEPROM of and then back on the main PCB ASSY...
  • Page 48 Error message Error Refer Description codes Initial display Scroll SCANNER Detected that the CIS flat cable ERROR FB was not inserted correctly when B000 2-52 function code 55 was executed. SCANNER ERROR ADF Self- Turn the power off, Some fuser unit errors occurred Diagnostic then on again.
  • Page 49 Error message Error Refer Description codes Initial display Scroll Toner Low Dot counter of the toner cartridge or develop roller 4B01 2-38 counter reaches the upper limit soon. Wrong Paper Reload correct Paper tray ran out of paper Size paper in Tray 1 or alternatively chosen has paper in different size when the paper press Start.

  • Page 50: Communication Errors

    3.3 Communication Errors Code 1 Code 2 Cause Refer to: No document set when calling. 4.11.1 Wrong fax number called. 4.13.1 No dial tone detected before dialing. 4.13.1 Busy tone detected before dialing. 4.13.1 2nd dial tone not detected. 4.13.1 No loop current detected.
  • Page 51 Code 1 Code 2 Cause Refer to: Unable to detect flag field. 4.13.3 Carrier was OFF for 200 ms or longer. 4.13.3 Abort detected (“1” in succession for 7 bits or more). 4.13.3 Overrun detected. 4.13.3 A frame received for 3 seconds or more. 4.13.3 CRC error in answerback.
  • Page 52 Code 1 Code 2 Cause Refer to: ECM requested although not allowed. 4.13.3 Polled while not ready. 4.13.3 No document to be sent when polled. 4.11.1 Nation code or manufacturer code not correct. 4.13.1 Group number not registered for relay broad-casting was specified or the number of addressees specified exceeded 4.13.1 the maximum allowable number.
  • Page 53 Code 1 Code 2 Cause Refer to: Decoding error continued for 15 seconds or more. 4.13.3 Time-out: 13 seconds or more for one-line transmission. 4.13.3 RTC not found or carrier OFF detected for 6 seconds. 4.13.3 RTC found but no command detected for 60 seconds or 4.13.3 longer.

  • Page 54: Troubleshooting

    4. TROUBLESHOOTING 4.1 Error Cause and Remedy  Error code 0102 ASIC error or motor driver error occurred. Step Cause Remedy Main PCB failure Replace the main PCB ASSY.  Error code 0201 Cannot detect the synchronized signal of the paper feed motor. The speed of the paper feed motor does not stabilize within the specified time.
  • Page 55  Error code 0401 BD sensor failure (second time) Error code 0405 BD sensor failure (first time) <User Check> • There is a possibility of condensation. Leave the front and back cover open for at least 30 minutes when the power is ON. Close those covers and turn the power switch OFF and then back ON again.
  • Page 56  Error code 0501 The center thermistor of the fuser unit has not reached the specified temperature within the specified time. Error code 0502 The center thermistor of the fuser unit has not reached the specified temperature within the specified time after it was heated normally to the certain level. Error code 0503 The center thermistor of the fuser unit detected a temperature higher than the specified value.
  • Page 57  Error code 0900 Detected irregular power supply for more than 100 times. Step Cause Remedy Low-voltage power supply PCB Replace the low-voltage power supply failure PCB ASSY. Refer to “1.3.26 Reset irregular power supply detection counter of low-voltage power supply PCB (Function code 88)”...
  • Page 58  Error code 0B01 An error occurred in the high-voltage power supply PCB ASSY while operating. Error code 0B02 An error occurred in the high-voltage power supply PCB ASSY when the machine was in the ready state. <User Check> • Slide the green tab of the drum unit to left and right for two to three times to clean the corona wire. •...
  • Page 59  Error code 4B01 Dot counter of the toner cartridge or develop roller counter reaches the upper limit soon. <User Check> • Prepare a new toner cartridge. Step Cause Remedy Main PCB failure Replace the main PCB ASSY.  Error code 4C01 Dot count or develop roller counter of the toner cartridge has reached the upper limit in the toner stop mode.
  • Page 60  Error code 6001 The front cover sensor detected that the front cover was open. <User Check> • Close the front cover. Step Cause Remedy Connection failure of the front Reconnect the front cover sensor cover sensor harness harness. Front cover failure Replace the front cover.
  • Page 61  Error code 6200 Detected that the drum unit was not set by detecting the grid terminal current. <User Check> • Set the drum unit correctly. Step Cause Remedy Dirt on the charge (grid terminal) Clean the charge (grid terminal) terminal terminal of the drum unit and of the drum unit and those of the machine.
  • Page 62  Error code 6801 The side thermistor detected a temperature higher than the specified value. <User Check> • Lower the room temperature. • Keep the machine away from heating appliances. • Check that the fan is not clogged. Step Cause Remedy Connection failure of the side Reconnect the side thermistor harness.
  • Page 63  Error code 6A00 Electric discharge that may be caused by dirt on the corona wire of the drum unit was detected. <User Check> • Slide the green tab of the drum unit to left and right for two to three times to clean the corona wire. •...
  • Page 64  Error code 7100 After the registration rear sensor detects the end of paper pass and the specified period of time has passed, the eject sensor continues to detect paper pass. <User Check> • Remove the jammed paper. • Check if the back cover is open during duplex printing. Step Cause Remedy...
  • Page 65  Error code 7800 After the first side is printed in 2-sided printing mode, the registration front sensor does not detect paper pass after a set period of time. <User Check> • Remove the jammed paper. • Close the back cover correctly. Step Cause Remedy...
  • Page 66  Error code 8A01 The registration rear sensor detected that the paper fed was smaller or larger than the specified size in duplex printing mode. <User Check> • Use appropriate paper (Letter to Legal). Step Cause Remedy Registration rear actuator caught Reattach the registration rear actuator.
  • Page 67  Error code 9002 The size of paper loaded in the paper tray and the one specified from the driver are not same when paper is fed from the paper tray. <User Check> • Change the driver setting to be matched with the size of the paper set in the paper tray. Step Cause Remedy...
  • Page 68  Error code 9302 When paper was fed from the paper tray, the T1 paper feed sensor detected that no paper was in the paper tray. <User Check> • Set paper in the paper tray. Step Cause Remedy Connection failure of the T1 Reconnect the T1 paper feed sensor paper feed sensor harness harness.
  • Page 69  Error code 9309 Detected that there was no paper set in all trays when TrayAuto was selected for printing. Error code 930A Paper ran out during FAX / List continuous printing. <User Check> • Set paper in the paper tray. Step Cause Remedy...
  • Page 70 Step Cause Remedy Document scanning position Replace the ADF unit. sensor failure Main PCB failure Replace the main PCB ASSY.  Error code A300 The document scanning position sensor has not detected the document passing even after the document has been fed for the specified time. <User Check>...
  • Page 71  Error code A400 The ADF cover sensor detected that the ADF cover was open. <User Check> • Close the ADF cover correctly. Step Cause Remedy ADF cover actuator caught in Reattach the ADF cover actuator. some sections of the machine ADF cove sensor attachment Reattach the ADF cover sensor.
  • Page 72  Error code A700 Color parameter in the ROM does not match the CIS. Error code A900 A scanning error occurred while processing the scanned image. Step Cause Remedy Incorrect correction data for the Execute “Set CIS scan area (Function CIS unit code 55)”.
  • Page 73  Error code AF00 Home position is still being detected even after the first side CIS unit was moved. Step Cause Remedy Dust on the CIS guide shaft Remove the dust on the CIS guide shaft. CIS drive belt coming off Reattach the CIS drive belt.
  • Page 74  Error code BB00 A white level not within the standard was scanned when function code 55 was executed. Step Cause Remedy Dirt on the document hold Clean the document hold. Dirt on the white tape Clean the white tape. CIS unit failure Replace the CIS unit.
  • Page 75  Error code BF00 The document scanning position sensor detected that the document length was 400 mm or longer and could not be fed to ADF (double-side restoration). <User Check> • Set the specified size paper. Step Cause Remedy Document scanning position Reattach the document scanning position actuator caught in some sections actuator.
  • Page 76 • Install the latest main firmware. Step Cause Remedy Main PCB failure Replace the main PCB ASSY.  Error code E500 An error occurred during access to the DRAM in the main PCB ASSY. Error code E600 Write error in the EEPROM of the main PCB ASSY Error code E701 System error in the flash ROM Error code E702...

  • Page 77: Troubleshooting For Paper Feeding Problems

    4.2 Troubleshooting for Paper Feeding Problems Problems related to paper feeding are end user recoverable if following the User Check items. If the same problem occurs again, follow each procedure in the order of the number described in the Step column in the tables below. 4.2.1 No paper feeding from paper tray <User Check>...

  • Page 78: No Paper Feeding From Manual Feed Slot

    4.2.2 No paper feeding from manual feed slot <User Check> • Check that the paper is set into the deepest part of the manual feed slot. • Check that multiple sheets of paper are not set in the manual feed slot. •...

  • Page 79: Paper Becomes Wrinkled

    4.2.4 Paper becomes wrinkled <User Check> • Check that the paper is set in each paper tray correctly. • Flip over the paper in each paper tray or rotate the paper 180°. • Adjust each paper guide according to each paper size. •...

  • Page 80: Paper Curls

    4.2.6 Paper curls <User Check> • Change the driver setting to be matched with the size of the paper set in the paper tray. • Select “Reduce Paper Curl” in the driver. • Check that the paper is set in each paper tray correctly. •...

  • Page 81: Paper Jam

    4.2.8 Paper jam  Paper jam at the paper tray <User Check> • Check that the paper is set in the paper tray correctly. • Flip over the paper in the paper tray or rotate the paper 180°. • Adjust each paper guide according to the paper size. •...
  • Page 82  Paper jam at the manual feed slot <User Check> • Check that the paper is set in the manual feed slot correctly. • Flip over the paper in the manual feed slot or rotate the paper 180°. • Adjust the paper guide according to the paper size. •...
  • Page 83  Paper jam at the paper feeding section at the center of the machine <User Check> • Check that the paper is set in each paper tray correctly. • Flip over the paper in each paper tray or rotate the paper 180°. •...
  • Page 84  Paper jam at the eject section <User Check> • Check that the paper is set in each paper tray correctly. • Flip over the paper in each paper tray or rotate the paper 180°. • Adjust each paper guide according to the paper size. •...

  • Page 85: Troubleshooting For Image Defects

    4.3 Troubleshooting for Image Defects 4.3.1 Image defect examples Light Faulty registration Dark Poor fixing Completely blank (2-65) (2-65) (2-66) (2-66) (2-67) Image distortion All black Dirt on back side of paper Vertical streaks (2-67) (2-68) (2-68) (2-69) Horizontal stripes White vertical White horizontal Faint print...

  • Page 86: Troubleshooting Image Defect

    4.3.2 Troubleshooting image defect Image defect related problems are end user recoverable if following the User Check items. If the same problem occurs again, follow each procedure in the order of the number described in the Step column in the tables below. ...
  • Page 87  Dark <User Check> • Check the usage environment of the machine. Using the machine in hot-humid or cold-dry conditions can cause this problem. • If a new toner cartridge has been detected, check that it was not replaced with another toner cartridge. •...
  • Page 88  Completely blank <User Check> • Replace the drum unit with a new one. • Replace the toner cartridge with a new one. • Install the latest main firmware. Step Cause Remedy Dirt on the electrodes of the Clean the electrodes of the drum unit, toner drum unit, toner cartridge and cartridge and those of the machine.
  • Page 89  All black <User Check> • Clean the corona wire of the drum unit. • Replace the drum unit with a new one. Step Cause Remedy Dirt on the electrodes of the Clean the electrodes of the drum unit, toner drum unit, toner cartridge and cartridge and those of the machine.
  • Page 90  Vertical streaks <User Check> • Clean the corona wire of the drum unit. • Return the corona wire cleaning tab to the “▲” position. • This problem may disappear after printing multiple sheets of paper. • Refer to <How to clean the drum unit> to remove the dirt from the exposure drum using a cotton applicator.
  • Page 91  Horizontal stripes <User Check> • This problem may disappear after printing multiple sheets of paper. • Refer to <How to clean the drum unit> to remove the dirt from the exposure drum using a cotton applicator. • Replace the drum unit with a new one. •...
  • Page 92  White horizontal stripes on image <User Check> • This problem may disappear after printing multiple sheets of paper. • Replace the drum unit with a new one. • Replace the toner cartridge with a new one. Step Cause Remedy Dirty charge electrodes Clean the electrodes of the drum unit and those of the machine.
  • Page 93  White spots on image <User Check> • Check that the fan is not clogged. • Refer to <How to clean the drum unit> to remove the dirt from the exposure drum using a cotton applicator. • Replace the drum unit with a new one. •...
  • Page 94  Spots or dirt <User Check> • Check if damp paper is used. • Refer to <How to clean the drum unit> to remove the dirt from the exposure drum using a cotton applicator. • Replace the drum unit with a new one. •...
  • Page 95  Band <User Check> • Clean the corona wire of the drum unit. • Clean the corona wire by sliding the green tab of the drum unit to the left end. • This problem may disappear after printing multiple sheets of paper. •...
  • Page 96 (2) Use the numbered markers next to the drum roller to find the mark on the drum. For example, a dot in column 2 on the check sheet means that there is a mark in drum region “2”. Fig. 2-17 (3) Turn the edge of the drum unit towards you while looking at the drum surface to find the mark.
  • Page 97  Downward fogging of solid color <User Check> • Replace the toner cartridge with a new one. Step Cause Remedy High-voltage power supply Replace the high-voltage power supply PCB PCB failure ASSY. Main PCB failure Replace the main PCB ASSY. ...
  • Page 98  Ghost <User Check> • Check the usage environment of the machine. Using the machine in hot-humid or cold-dry conditions can cause this problem. • Check whether appropriate paper type is selected on the driver. • Select “Improve Toner Fixing” in the driver. •...

  • Page 99: Troubleshooting For Software Problems

    4.4 Troubleshooting for Software Problems The end user can solve problems pertaining to software, for instance, print cannot be made from a computer although test print and printer setting print can be made from the machine, by following the User Check items. If the same problem occurs again, follow each procedure in the order of the number described in the Step column in the tables below.

  • Page 100: Troubleshooting For Network Problems

    4.5 Troubleshooting for Network Problems 4.5.1 Cannot make a print through network connection <User Check> • Check the relevant section in the Network Setting Guide. • Check the network connection. • Reset the network. (Refer to the online User’s Guide.) •...

  • Page 101: Troubleshooting For Control Panel Problems

    4.6 Troubleshooting for Control Panel Problems 4.6.1 Nothing is displayed on the LCD <User Check> • Turn the power switch OFF and then back ON again. • Unplug the AC cord and then plug it again. Step Cause Remedy Connection failure of the Reconnect the panel flat cable.

  • Page 102: Troubleshooting For Toner Cartridge And Drum Unit Problems

    4.7 Troubleshooting for Toner Cartridge and Drum Unit Problems 4.7.1 New toner not detected <User Check> • Be sure to set a new toner cartridge. • Check that the genuine toner cartridge is set. Step Cause Remedy New toner actuator coming off Reattach the new toner actuator.

  • Page 103: Drum Error

    4.7.4 Drum error <User Check> • Clean the corona wire of the drum unit. • Replace the drum unit with a new one. Step Cause Remedy Dirt on the electrodes of the Clean the electrodes of the drum unit and drum unit and those of the those of the machine.

  • Page 104: Troubleshooting For Fuser Unit Problems

    4.8 Troubleshooting for Fuser Unit Problems 4.8.1 Fuser unit failure Step Cause Remedy Connection failure of the Reconnect the center thermistor harness. center thermistor harness Connection failure of the side Reconnect the side thermistor harness. thermistor harness Connection failure of the Reconnect the heater harness.

  • Page 105: Troubleshooting For Pcb Problems

    4.10 Troubleshooting for PCB Problems 4.10.1Main PCB failure <User Check> • Turn the power switch OFF and then back ON again. • Install the latest main firmware. • Check the print limit ID. • Check that the print data is not damaged. Step Cause Remedy...

  • Page 106: Troubleshooting For Document Feeding Problems

    4.11 Troubleshooting for Document Feeding Problems 4.11.1 No document is fed <User Check> • Set the document properly and check that the display on the LCD changes. • Check that the number of paper set has not exceeded the upper limit in the document tray. •...

  • Page 107: Document Jam

    4.11.3 Document jam  Paper jam in the ADF cover <User Check> • Check that the thickness of the document is 64 to 105 g/m • Check that the paper used for the document is not shorter than 147.3 mm. •...

  • Page 108: Document Becomes Wrinkled

     Paper jam in the paper eject section of the ADF <User Check> • Check that the thickness of the document is 64 to 105 g/m Step Cause Remedy Foreign object in the ADF Remove the foreign object. document eject path Document pinch roller coming Reattach the document pinch roller.

  • Page 109: Troubleshooting For Image Defects

    4.12 Troubleshooting for Image Defects 4.12.1Defect examples Light Faulty registration Dark Completely blank All black (2-88) (2-89) (2-89) (2-90) (2-90) Vertical streaks White streaks Partially shaded Fully tinged (2-91) (2-91) (2-92) (2-92) Fig. 2-20 4.12.2Troubleshooting according to image defect  Light <User Check>...
  • Page 110  Faulty registration • First side (Document scanner unit) Step Cause Remedy Deviation of the scanning Execute “Fine adjustment of scan start start position position (Function code 54)”. Document scanning position Reattach the document scanning position actuator caught in some actuator.
  • Page 111  Completely blank <User Check> • Check that the document is not reversed. Step Cause Remedy Incorrect white level Execute “Acquire white level data (Function correction data code 55)”. CIS flat cable failure Replace the CIS flat cable. CIS unit failure Replace the CIS unit.
  • Page 112  Vertical streaks <User Check> • Clean the scanner glass or scanner glass strip. • Clean the document hold. Step Cause Remedy Dirt inside of scanner glass Clean the inside of the scanner glass. Dirt inside of scanner glass Clean the inside of scanner glass strip. strip CIS unit failure Replace the CIS unit.
  • Page 113  Partially shaded <User Check> • Clean the scanner glass. Step Cause Remedy Dirt inside of scanner glass Clean the inside of scanner glass. Deformed document sponge Replace the document scanner unit.  Fully tinged <User Check> • Clean the scanner glass or scanner glass strip. Step Cause Remedy...

  • Page 114: Troubleshooting For Fax/Phone Problems

    4.13 Troubleshooting for FAX/Phone Problems 4.13.1Fax cannot be sent <User Check> • Check that the line cord is inserted into the socket correctly. • Check that the dial function setting (tone/pulse) is correct. • Check that the fax document is set in the ADF correctly. •...

  • Page 115: Fax Cannot Be Received

    4.13.2Fax cannot be received <User Check> • Check that the line cord is inserted into the socket correctly. • Check that the receiving mode setting is correct. • Check that the receiver's machine works normally or the function you want to perform is equipped with the receiver's machine.

  • Page 116: Troubleshooting For Other Problems

    4.14 Troubleshooting for Other Problems 4.14.1Cannot make print <User Check> • Turn the power switch OFF and then back ON again. • Check that the USB cable is connected to the host correctly. • Check that the LAN cable is connected to the host correctly. •...

  • Page 117: Cannot Update Firmware

    4.14.2Cannot update firmware <User Check> • Make sure that there is no other function running. • Turn the power switch OFF and then back ON again. Step Cause Remedy Firmware version does not Reinstall the latest firmware. match In case of update failure by Update the firmware again by the following interruption, the firmware procedure.*...

  • Page 118: Message Indicating That The Report Is Full Does Not Disappear

    4.14.4Message indicating that the report is full does not disappear <User Check> • Output each report. Step Cause Remedy Main PCB failure Replace the main PCB ASSY. 4.14.5Paper tray cannot be recognized <User Check> • Close the paper tray properly. Step Cause Remedy...

  • Page 119: Chapter 3 Disassembly/Reassembly

    CHAPTER 3 DISASSEMBLY/REASSEMBLY 1. SAFETY PRECAUTIONS To avoid creating secondary problems by mishandling, follow the warnings and precautions below during maintenance work. WARNING Some parts inside the machine are extremely hot immediately after the machine is used. When opening the front cover ASSY or back cover to access any parts inside the machine, never touch the shaded parts shown in the following figures.

  • Page 120: Packing

    2. PACKING Polystyrene pad ASSY Option carton Spacer carton Carton Fig. 3-1 Confidential...

  • Page 121: Screw Catalogue

    3. SCREW CATALOGUE Screw cup Taptite bind B Screw cup Taptite bind B M3x6 M3x10 Screw cup Taptite bind B M3x8 M4x12 Taptite pan B Taptite cup S Taptite pan B Taptite cup S M4x14 M3x6 SR Taptite cup S Screw pan M3x8 SR Screw pan...

  • Page 122: Screw Torque List

    4. SCREW TORQUE LIST Tightening torque Location of screw Screw type Q’ty N·m (kgf·cm) Side cover R Taptite bind B M4x12 0.8±0.1 (8±1) Inner chute ASSY Taptite bind B M4x12 0.8±0.1 (8±1) Side cover L Taptite bind B M4x12 0.8±0.1 (8±1) FB ground harness Screw cup M3x8 (black) 0.45±0.05 (4.5±0.5)
  • Page 123 Tightening torque Location of screw Screw type Q’ty N·m (kgf·cm) Front chute ASSY Taptite bind B M4x12 0.8±0.1 (8±1) Screw pan (S/P washer) 0.5±0.1 (5±1) M3x12DB Frame L unit Taptite bind B M4x12 (6a) 0.8±0.1 (8±1) (Under bar) Taptite cup S M3x6 SR (6b) 0.5±0.1 (5±1) (for securing the chute ground plate)

  • Page 124: Overview Of Gears

    5. OVERVIEW OF GEARS <Layout view> 8,9,10 4,5,6 Fig. 3-3 <Development view> Fig. 3-4 Note: • When handling gears, make sure that frame L faces up. Otherwise all gears come off. <Name of gears> Ejector gear 16/15 Gear 70R DEV Ejector gear 33 Clutch DEV Ejector gear 40...
  • Page 125 <Layout view> 15,16,17 Fig. 3-5 <Development view> Fig. 3-6 Note: • When handling gears, make sure that frame L faces up. Otherwise all gears come off. <Name of gears> Gear 68R drum idle Gear 38L PF Gear 50L PF Gear 28R/18 PF Clutch PF Gear 34L PF Gear 23R PF...

  • Page 126: Harness Routing

    6. HARNESS ROUTING Speaker harness ASSY Speaker harness ASSY (RD) Side cover L Harness colors are subject to change for some reason. Confidential...
  • Page 127 ADF unit ADF unit Document scanner unit FFC holder ASSY Second side CIS flat cable ADF sensor harness unit Second side CIS flat cable ADF sensor harness (WH, BL, BK) ADF motor harness ADF FFC holder (RD) ADF ground harness (OR) Main PCB ASSY Harness colors are subject to change for some reason.
  • Page 128 Document scanner unit Document scanner unit Panel ground harness (BK) First side CIS flat cable First side CIS flat cable Panel flat cable Panel ground harness (BK) Panel flat cable ADF FFC holder Document scanner motor harness (WH) Document scanner Main PCB ASSY motor harness FB ground harness (BK)
  • Page 129 Lower document chute Second side CIS flat cable Flat core Lower document chute Harness colors are subject to change for some reason. 3-11 Confidential...
  • Page 130 Panel unit Panel PCB ASSY NFC flat cable Key flat cable Harness colors are subject to change for some reason. 3-12 Confidential...
  • Page 131 First side CIS unit, Panel Document scanner bottom cover ASSY Flat core First side CIS flat cable Panel flat cable Flat core Panel ground harness (BK) Document scanner motor harness (WH) FB ground harness (BK) Harness colors are subject to change for some reason. 3-13 Confidential...
  • Page 132 Modem PCB ASSY (LVPS side) Modem ground harness LVPS (GR) Modem flat cable Modem ground harness main (YW) Main PCB ASSY Harness colors are subject to change for some reason. 3-14 Confidential...
  • Page 133 Rear side of the machine HVPS flat cable Laser unit flat cable Polygon motor harness (WH) Eject sensor PCB ASSY High-voltage power supply PCB ASSY New toner sensor flat cable Registration front/rear sensor harness (GR, WH, BL, RD) Fan harness (RD, BK, WH) Fuser unit heater harness (WH) Side thermistor harness ASSY...
  • Page 134 Top side of the machine HVPS flat cable Main PCB ASSY Polygon motor harness (WH) Harness colors are subject to change for some reason. 3-16 Confidential...
  • Page 135 Frame L unit Front cover sensor harness (YW) HVPS flat cable Polygon motor harness (WH) Registration clutch Main PCB ASSY Laser unit flat cable Back cover/duplex tray sensor harness (RD, BL) Eject sensor flat cable T1 clutch harness (BL) Registration clutch harness (WH) Paper feed motor flat cable T1 clutch...
  • Page 136 Top side of the registration chute Top side LVPS harness (WH, BK) Frame R unit Registration front/rear sensor harness (GR, WH, BL, RD) Paper feed sensor harness (RD, BL, WH) Paper feed sensor harness (RD, BL, WH) Harness colors are subject to change for some reason. 3-18 Confidential...
  • Page 137 Frame R unit Registration front/rear sensor harness (GR, WH, BL, RD) LVPS harness (WH, BK) Harness colors are subject to change for some reason. 3-19 Confidential...

  • Page 138: Disassembly Flow Chart

    7. DISASSEMBLY FLOW CHART Disassembly / Reassembly (second) 8.2 Cord hook 8.23 Roller holder ASSY 8.11.2 ADF cover ASSY / 8.6 Side cover R 8.9 Side cover L Document stopper 15/15 15/15 10/10 8.18 HVPS flat cable / 8.16 Low-voltage power 8.9 Speaker harness High-voltage power supply PCB ASSY...

  • Page 139: Disassembly Procedure

    8. DISASSEMBLY PROCEDURE 8.1 Preparation  Transferring Received FAX Data In case of machine failure, unplugging the AC cord is required for sending the machine to repair. In this regard, received fax data left in the machine would be lost. To prevent such data loss, fax files left in the machine can be transferred to other fax machines or PCs.
  • Page 140  Disconnecting Cables and Removing Accessories Prior to proceeding with the disassembly procedure, (1) Disconnect the following: • USB cable (if connected) • LAN cable (if connected) • Line cord (if connected) (2) Remove the following: • Paper tray • Toner cartridge & Drum unit •...

  • Page 141: Cord Hook

    8.2 Cord hook (1) Rotate the Cord hook by 90 degrees to remove it. (two locations) Cord hook Cord hook Cord hook Fig. 3-8 3-23 Confidential...

  • Page 142: Back Cover

    8.3 Back cover (1) Open the Back cover. (2) Push both Ribs on the Back cover outward, and remove the Pin on the Outer chute ASSY. (3) Pull out the right side of the Back cover in the direction of the arrow A to remove it from the Boss, and remove the Back cover in the direction of the arrow B.

  • Page 143: Outer Chute Assy

    8.4 Outer chute ASSY (1) Pull out the right side of the Outer chute ASSY in the direction of the arrow A to remove the Boss of the Outer chute ASSY, and remove the Outer chute ASSY in the direction of the arrow B.

  • Page 144: Front Cover Assy / Support Flap

    8.5 Front cover ASSY / Support flap (1) Open the Front cover ASSY. (2) Remove the Collar 4 to remove the Develop joint link from the Front cover ASSY. (3) Lift the Rib on the Front chute ASSY, and slide the Front cover ASSY in the direction of the arrow A to remove it.

  • Page 145: Side Cover R

    8.6 Side cover R (1) Remove the Taptite bind B M4x12 screw. (2) Release each Hook A, B, and the Hook C on the Side cover R in order of the arrow A to C, and remove the Side cover R. Hooks A Taptite bind B M4x12 Side cover R...

  • Page 146: Fuser Cover

    8.7 Fuser cover (1) Hold the Knobs on the Fuser cover, and pull the Fuser cover down. (2) Pull the Fuser cover in the direction of the arrow to remove it from the Bosses, and remove the Fuser cover. Boss Fuser cover Boss Boss...

  • Page 147: Inner Chute Assy

    8.8 Inner chute ASSY (1) Pull down the Green envelope levers on both sides of the Fuser unit. (2) Remove the two Taptite bind B M4x12 screws, and remove the Inner chute ASSY. Fuser unit Green envelope lever Hooks Taptite bind B Fuser unit M4x12 Inner chute ASSY...

  • Page 148: Side Cover L / Speaker Harness Assy

    8.9 Side cover L / Speaker harness ASSY (1) Remove the Taptite bind B M4x12 screw. (2) Release each Hook A, B, and the Hook C on the Side cover L in order of the arrow A to C, and remove the Side cover L. Note: •...
  • Page 149 (4) Release the Speaker harness ASSY from the securing fixtures. (5) Remove the Speaker spring to remove the Speaker harness ASSY from the Side cover L. Speaker spring Speaker harness ASSY Side cover L Fig. 3-17 Harness routing: Refer to “1.

  • Page 150: Pull Arm L / Pull Arm R / Document Scanner Unit

    8.10 Pull arm L / Pull arm R / Document scanner unit (1) Open the Document scanner unit. (2) Release the Joint parts of Pull arm L and Pull arm R from each Pull arm hinge. Remove the Pull arm L and the Pull arm R from each Pull arm guide. (3) Remove each Pull arm spring from the Pull arm L and the Pull arm R.
  • Page 151 (4) Remove the Screw cup M3x8 (black) screw to remove the FB ground harness and the Panel ground harness. Disconnect the Document scanner motor harness from the Main PCB ASSY. (5) Remove the Screw cup M3x8 (black) screw to remove the ADF ground harness. Disconnect the ADF sensor harness and the ADF motor harness from the Main PCB ASSY.
  • Page 152 (7) Release the Hook to remove the ADF FFC holder while opening the Document scanner unit. (8) Open the Document scanner unit approximately 30 degrees, and remove it by lifting it up. Pull out the Document scanner motor harness and the ADF sensor harness unit from each Hole on the Joint cover.

  • Page 153: Adf Unit

    8.11 ADF unit 8.11.1 ADF unit / Hinge ASSY L / Hinge R / Hinge R support / Hinge arm R (1) Remove the ADF FFC holder from the Panel flat cable and the CIS flat cable. (2) Remove the Taptite bind B M4x12 (black) screw from the Hinge ASSY L. Hinge ASSY L Taptite bind B M4x12 (black) CIS flat cable...
  • Page 154 (3) Open the ADF unit. Release the Hook of the FFC holder ASSY, and remove the FFC holder ASSY from the Document scanner unit. (4) Lift the ADF unit, and remove the ADF unit from the Document scanner unit while pushing the Hook of the Hinge R.
  • Page 155 (6) Remove the three Taptite bind B M4x12 screws to remove the Hinge ASSY L from the ADF unit. Taptite bind B M4x12 ADF unit Hinge ASSY L Fig. 3-25 (7) Remove the Taptite cup B M3x10 screw to remove the Hinge R support and the Hinge R from the Hinge arm R.

  • Page 156: Adf Cover Assy / Document Stopper

    8.11.2 ADF cover ASSY / Document stopper (1) Open the ADF cover ASSY. Release the two Bosses to remove the ADF cover ASSY from the ADF unit. (2) Release the two Bosses to remove the Document stopper from the ADF unit. ADF cover ASSY Document stopper Boss...

  • Page 157: Document Sub Tray

    8.11.3 Document sub tray (1) Release each Hook to remove the Gear cover from the ADF unit. (2) Remove the two Taptite cup B M3x10 screws. Release each Hook to remove the ADF front cover from the ADF unit. Gear cover ADF front cover Hooks Hooks...
  • Page 158 (3) Open the Document sub tray to remove it from the ADF unit by aligning each Boss position. Boss Document sub tray Boss ADF unit Boss Fig. 3-29 3-40 Confidential...

  • Page 159: Document Separate Roller Assy

    8.11.4 Document separate roller ASSY (1) Release the Lock of the Conductive bushing to remove the Document separate roller ASSY from the ADF unit. Conductive bushing Document separate roller ASSY ADF unit Lock Conductive bushing Fig. 3-30 3-41 Confidential...

  • Page 160: Adf Separation Holder Assy

    8.11.5 ADF separation holder ASSY (1) Remove the Taptite cup B M3x10 screw to remove the ADF separation holder ASSY from the ADF unit. Taptite cup B M3x10 ADF separation holder ASSY ADF unit Fig. 3-31 3-42 Confidential...

  • Page 161: Panel Unit

    8.12 Panel unit 8.12.1 Panel unit (1) Remove the four Taptite cup B M3x10 screws. (2) Release each Hook to remove the Panel unit. Disconnect the Panel flat cable from the Panel PCB ASSY. Note: • When removing the Panel unit, DO NOT pull the Panel unit strongly because it is connected to the Panel flat cable.

  • Page 162: Panel Pcb Assy

    8.12.2 Panel PCB ASSY (1) Release each Hook to remove the Panel PCB ASSY from the Panel unit. (2) Reverse the Panel PCB ASSY. Release the Lock to disconnect the LCD flat cable from the Panel PCB ASSY. Panel PCB ASSY LCD flat cable Lock Hook...

  • Page 163: Lcd

    8.12.3 LCD (1) Remove the Rubber key L and the Rubber key R from the Panel unit. (2) Release each Hook A to remove the Backlight guide from the Panel unit. (3) Remove the Diffusion film. (4) Release the Hook B to remove the LCD from the Backlight guide. (5) Remove the Address label from the Panel unit.

  • Page 164: Modem Flat Cable / Modem Pcb Assy

    8.13 Modem flat cable / Modem PCB ASSY (1) Remove the two Screw cup M3x8 (black) screws, and release the Modem ground harness LVPS from the securing fixtures. Screw cup M3x8 (black) Modem ground harness LVPS Modem ground harness LVPS Screw cup M3x8 (black) Rib A Rib B...
  • Page 165 (2) Remove the two Screw cup M3x8 (black) screws, and release the Modem ground harness main from the securing fixtures. (3) Disconnect the Modem flat cable from the Main PCB ASSY and the Modem PCB ASSY, and remove it from the Double-sided tape to pull it out from the hole of the Joint cover ASSY. (4) Remove the two Taptite bind B M4x12 screws to remove the Modem shield plate.

  • Page 166: Joint Cover Assy

    8.14 Joint cover ASSY (1) Remove the four Taptite bind B M4x12 screws. (2) Release each Hook in order of the Hook A to D, and remove the Joint cover ASSY in the direction of the arrow. Hook C Joint cover ASSY Taptite bind B M4x12 Taptite bind B M4x12...

  • Page 167: Fuser Unit

    8.15 Fuser unit (1) Release the Fuser unit heater harness from the securing fixtures, and disconnect it from the LVPS-heater harness. <Back side> Fuser unit heater harness LVPS-heater harness Fig. 3-38 Harness routing: Refer to “8. Rear side of the machine”.
  • Page 168 (4) Remove the two Taptite pan B M4x14 screws, and remove the Fuser unit. <Back side> Taptite pan B M4x14 Fuser unit Fig. 3-40 Note: • DO NOT apply a physical impact or vibration to the Fuser unit. • DO NOT touch the roller and the electrodes to prevent breakage of the Fuser unit. Fig.

  • Page 169: Low-Voltage Power Supply Pcb Assy

    8.16 Low-voltage power supply PCB ASSY When removing the Low-voltage power supply, DO NOT touch it within 3 minutes after disconnecting the AC cord as it may cause WARNING an electric shock due to the electric charge accumulated in the capacitor.
  • Page 170 (2) Remove the Screw pan M4x8 screw, the Washer spring 2-4, and the Washer 5, and remove the Ground harness from the LVPS shield plate. (3) Release the Ground harness from the securing fixtures. (4) Remove the Power cord from the Mounting position and release it from the securing fixtures.

  • Page 171: New Toner Sensor Pcb Assy

    8.17 New toner sensor PCB ASSY (1) Disconnect the New toner sensor flat cable from the High-voltage power supply PCB ASSY, and release the Hook to remove the New toner sensor PCB ASSY. Disconnect the Registration front/rear sensor harness from the New toner sensor PCB ASSY. Registration front/rear sensor harness New toner sensor PCB ASSY New toner sensor flat cable...

  • Page 172: Hvps Flat Cable / High-Voltage Power Supply Pcb Assy

    8.18 HVPS flat cable / High-voltage power supply PCB ASSY (1) Disconnect the HVPS flat cable from the High-voltage power supply PCB ASSY. Disconnect the HVPS flat cable from the Main PCB ASSY, and release it from the securing fixtures. Note: •...
  • Page 173 Assembling Note: • Fold the HVPS flat cable at the positions described below. <High-voltage power supply PCB side> Electrode 45° 45° 20° 20° 45° Mountain fold Reinforcing tape Valley fold <Main PCB side> Fig. 3-46 3-55 Confidential...

  • Page 174: Fan

    8.19 Fan (1) Release the Fan harness from the securing fixtures. (2) Release each Hook to remove the Fan, and pull out the Fan harness from the Hole. Hook <Back side> Hole Fan harness Label Hook Fig. 3-47 Harness routing: Refer to “8.

  • Page 175: Laser Unit Flat Cable / Laser Unit

    8.20 Laser unit flat cable / Laser unit (1) Disconnect the Laser unit flat cable from the Main PCB ASSY and the Laser unit, and release it from the securing fixtures. Note: • After disconnecting flat cables, check that each cable is not damaged at its end or short-circuited.
  • Page 176 Assembling Note: • Fold the Laser unit flat cable at the positions described below. Mountain fold Valley fold 234±5 71±1 108±1 <Main <Laser PCB side> unit side> 45° Electrode Electrode Fig. 3-49 Assembling Note: • After the replacement, refer to “3.

  • Page 177: Filter

    8.21 Filter (1) Release the Hook to remove the Filter from the Air duct. Filter Hook Air duct Fig. 3-51 3-59 Confidential...

  • Page 178: Wireless Lan Pcb

    8.22 Wireless LAN PCB (1) Remove the Tape on the Wireless LAN PCB, and disconnect the Wireless LAN PCB from the Main PCB ASSY. Tape Wireless LAN PCB Hole Main PCB ASSY <Back side> Tape Wireless LAN PCB Fig. 3-52 Assembling Note: •...

  • Page 179: Roller Holder Assy

    8.23 Roller holder ASSY (1) Push the Link arm in the direction of the arrow A. Rotate the Roller holder ASSY, and release the Boss. (2) Slide the Roller holder ASSY in the direction of the arrow B, and remove it from the Shaft. Remove the Roller holder ASSY.

  • Page 180: Main Pcb Assy

    8.24 Main PCB ASSY (1) Disconnect all harnesses and flat cables from the Main PCB ASSY. Main PCB ASSY Front cover sensor harness Paper feed motor flat cable Paper feed sensor harness T1 clutch harness LVPS harness Registration clutch harness Eject sensor flat cable Fig.

  • Page 181: T1 Clutch / Registration Clutch

    8.25 T1 clutch / Registration clutch (1) Release the T1 clutch harness and the Registration clutch harness from the securing fixtures. (2) Release the Hook, and remove the T1 clutch. (3) Release the Hook, and remove the Registration clutch. Registration clutch Registration Hook clutch harness...

  • Page 182: Front Chute Assy / Frame L Unit

    8.26 Front chute ASSY / Frame L unit (1) Remove the two Taptite bind B M4x12 screws and the Screw pan (S/P washer) M3x12DB screw, and remove the Front chute ASSY. (2) Release the LVPS harness and the Paper feed sensor harness from the securing fixtures. (3) Remove the Regist FG spring from the Motor drive sub ASSY and the Conductive bushing (4) Use a flat-blade screwdriver or similar tool to release the Hook from the Hole, and remove the Conductive bushing 5.
  • Page 183 (6) Remove the Taptite bind B M4x12 (6a) screw (for securing the Under bar), the Taptite cup S M3x6 SR (6b) screw (for securing the Chute ground plate), the Taptite bind B M4x12 (6c) screw (for securing the Registration chute), and the Taptite cup S M3x8 SR (6d) screw (for securing the Laser L FG plate).

  • Page 184: Paper Feed Motor / Paper Feed Motor Flat Cable

    8.27 Paper feed motor / Paper feed motor flat cable (1) Release the Paper feed motor flat cable and the Front cover sensor harness from the securing fixtures. (2) Remove the Taptite bind B M4x12 screw. Release the Hook, and slide the Flat cable guide in the direction of the arrow to remove it from the Motor drive sub ASSY.
  • Page 185 Assembling Note: • If you removed the Motor drive sub ASSY while the Fuser unit was attached on the machine, remove the Fuser unit once (refer to “8.15 Fuser unit”) and reattach it after attaching the Motor drive sub ASSY. The Conductive leaf spring of the Fuser unit may be deformed by the Calking shaft.

  • Page 186: Front Cover Sensor

    8.28 Front cover sensor (1) Remove the two Taptite bind B M4x12 screws, and remove the Lift cam guide from the Frame L unit. (2) Release each Hook to remove the Front cover sensor from the Frame L unit. Taptite bind B M4x12 Lift cam guide Front cover sensor...

  • Page 187: Eject Sensor Pcb Assy

    8.29 Eject sensor PCB ASSY (1) Remove the Taptite cup S M3x8 SR screw and the Screw pan (S/P washer) M3x12DB screw. Lift the upper side of the Main shield plate up to remove it from the Pin, and pull out the Main shield plate in the direction of the arrow to remove it from the Rib of the Frame L unit.
  • Page 188 (2) Release the Hook A, and remove the Eject sensor PCB ASSY from the Pin of the Frame L unit. (3) Release the Back cover/duplex tray sensor harness from the securing fixtures. (4) Release the Hook B, and remove the DX sensor stopper 2 from the Frame L unit. (5) Release each Hook C, and remove the Back cover/duplex tray sensor from the Frame L unit.

  • Page 189: Registration Front/Rear Actuator Holder Assy

    8.30 Registration front/rear actuator holder ASSY Note: • As the Under bar is easy to bend, be careful to handle it. (1) Release the Hook part of the Under R FG wire from the LVPS shield plate. (2) Raise the Laser R FG plate slightly to remove it from the Pin. (3) Remove the Taptite cup S M3x8 SR screw and the Taptite bind B M4x12 screw, pull out the right side of the LVPS shield plate in the direction of the arrow A to remove it from the Pin.
  • Page 190 (4) Release the Registration front/rear sensor harness and the LVPS harness from the securing fixtures. (5) Remove the Taptite cup S M3x6 SR screw and the two Taptite bind B M4x12 screws to remove the Frame R unit. Pull out the Registration front/rear sensor harness from the Hole. Registration front/rear sensor harness Frame R unit Taptite bind B M4x12...
  • Page 191 (6) Remove the Taptite bind B M3x10 screw. Release each Hook, and remove the Registration front/rear actuator holder ASSY from the Registration chute. Pull out the Registration front/ rear sensor harness from the Hole. Hook Taptite bind B M3x10 Registration front/rear actuator holder ASSY Hook Hooks...

  • Page 192: Paper Feed Sensor Pcb Assy

    8.31 Paper feed sensor PCB ASSY (1) Release each Hook of the Paper feed sensor cover to remove the Paper feed sensor cover. (2) Remove the Paper feed actuator spring from the Hook of the Paper feed actuator and the Hook of the Paper feed frame ASSY.

  • Page 193: Chapter 4 Adjusting And Updating Settings As Required After Parts Replacement

    CHAPTER 4 ADJUSTING AND UPDATING SETTINGS AS REQUIRED AFTER PARTS REPLACEMENT 1. IF YOU REPLACE THE MAIN PCB ASSY  What to do after replacement • Setting by Spec, Setting Serial Number and Entering Adjusted Value of Laser Unit • Installing Firmware •...

  • Page 194: Setting By Spec, Setting Serial Number And Entering Adjusted Value Of Laser Unit

    1.1 Setting by Spec, Setting Serial Number and Entering Adjusted Value of Laser Unit <Operating Procedure> (1) Enter the maintenance mode. (2) Connect the machine to your computer using the USB cable. When you use the main PCB ASSY that has been used even once in the market (the machine is at factory shipping state (Shipping state=ON).), perform the following steps (3) and (4).
  • Page 195 (10) Click the [Serial No.] in the box (F). The Serial No. screen appears. (11) Enter the serial number (11 digits) of the machine in the box (J) and click the [Set] shown as (K). “Set[***********]” and entered value appears on the “Serial No.”...
  • Page 196 “1.3.20 Configure for country/region and model (Function code 74)” in Chapter 5. Please contact Ricoh distributors for the latest information. • When the supply PCB is replaced with a new one, the machine automatically enters maintenance mode by turning it ON.

  • Page 197: Installing Firmware

    1.2 Installing Firmware 1.2.1 Checking firmware version Check whether the firmware installed on the machine is the latest version. If it is the latest version, there is no need to install the firmware. If it is not, be sure to install the firmware to the machine as described in “1.2.2 Installing firmware”.

  • Page 198: Installing Firmware

    1.2.2 Installing firmware Note: • DO NOT disconnect the AC cord or USB cable from the machine or computer during installing. • If the install is failed, turn OFF the machine and turn it back on. The machine enters the firmware installing mode automatically. Continue to the operating procedure below from the procedure (2).

  • Page 199: Resetting To Factory Shipping State

    1.5 Resetting to Factory Shipping State The following operating procedure needs only for when using the new main PCB ASSY. If you use the main PCB ASSY that has been used even once in the market, there is no need to follow this procedure.

  • Page 200: If You Replace The Low-Voltage Power Supply Pcb Assy

    2. IF YOU REPLACE THE LOW-VOLTAGE POWER SUPPLY PCB ASSY  What to do after replacement • Reset Irregular Power Supply Detection Counter of the Low-voltage Power Supply PCB (Function code 88)  What you need to prepare None 2.1 Reset Irregular Power Supply Detection Counter of the Low-voltage Power Supply PCB (Function code 88) Refer to “1.3.26 Reset irregular power supply detection counter of low-voltage power supply...

  • Page 201: If You Replace The Laser Unit

    3. IF YOU REPLACE THE LASER UNIT  What to do after replacement • Entering Adjusted Value of Laser Unit  What you need to prepare (1) One USB cable ® (2) Create a temporary folder on the C drive of the computer (Windows XP or later).

  • Page 202: Entering Adjusted Value Of Laser Unit

    3.1 Entering Adjusted Value of Laser Unit <Operating Procedure> (1) Follow the procedure below to enter the maintenance mode. 1) Enter the maintenance mode. (2) Connect the machine to your computer using the USB cable. (3) Open the temporary folder and double-click “SvSettingTool.exe”.
  • Page 203 value appears on the “Adjusted Value(Laser)” line in the box (F). (“*****” indicates the laser adjusted value entered.) (10) Click the [OK] shown as (J). The Execute Setting screen shown on the right appears and the laser adjusted value is written to the machine. (11) Click the [OK] shown as (L) and close the Execute Setting screen.

  • Page 204: If You Replace The Panel Unit Or Panel Control Pcb

    4. IF YOU REPLACE THE PANEL UNIT OR PANEL CONTROL PCB  What to do after replacement • Checking LCD Operation (Function code 12) • Checking LCD Operation (Function code 12) 4.1 Checking LCD Operation (Function code 12) Check the LCD operation as described in “1.3.5 Check LCD operation (Function code 12)”...

  • Page 205: If You Replace The Adf Unit, Cis Unit Or Document Scanner Unit

    5. IF YOU REPLACE THE ADF UNIT, CIS UNIT OR DOCUMENT SCANNER UNIT  What to do after replacement • Acquiring White Level Data (Function code 55) • Scanning and Printing Check 5.1 Acquiring White Level Data (Function code 55) Acquire white level data as described in 「Acquire white level data and set CIS scan area (Function code...

  • Page 206: Chapter 5 Service Functions

    CHAPTER 5 SERVICE FUNCTIONS 1. FUNCTION CODE Maintenance mode is exclusively designed for checking, setting and adjusting the machine using the keys on the control panel. Using maintenance mode functions, you can conduct operational checks of sensors or test printing, display the log information or error codes etc. 1.1 How to Enter Maintenance Mode 1.1.1 Method of entering maintenance mode for service personnel <Operating Procedure>...

  • Page 207: List Of Maintenance Mode Functions

    1.2 List of Maintenance Mode Functions Function Function Refer to: code Initialize EEPROM parameters 1.3.1 (5-3) Transition to shipping state 1.3.2 (5-4) ADF performance test 1.3.3 (5-5) Print quality test pattern 1.3.4 (5-6) Check LCD operation 1.3.5 (5-7) Check control panel key operation 1.3.6 (5-8) Display software version 1.3.7 (5-9)

  • Page 208: Details Of Maintenance Mode Functions

    1.3 Details of Maintenance Mode Functions 1.3.1 Initialize EEPROM parameters (Function code 01, 91) <Function> This function is used to initialize the setting values for operation parameters registered in the EEPROM. Entering function code 01 initializes most EEPROM areas. Entering function code 91 initializes only the specified areas as shown in the table below.

  • Page 209: Transition To Shipping State (Function Code 03)

    1.3.2 Transition to shipping state (Function code 03) The function code 03 includes following functions: Check sum information display for soft switch, Default special operation setting, and Resetting to factory shipping state. Check sum information display for soft switch is used by sales and production, not by servicemen. Servicemen only use other two functions: Default special operation setting and Resetting to factory shipping state.

  • Page 210: Adf Performance Test (Function Code 08)

     Transfer to the shipping state <Function> This function is to transfer the machine to the shipping state when used new spare main PCB for repair, etc. When not perform this function to the new spare main PCB and leave, some software will be unavailable such as MPS applications or BrAdmin tool.

  • Page 211: Print Quality Test Pattern (Function Code 09)

    1.3.4 Print quality test pattern (Function code 09) <Function> This function is used to print test patterns to check any missing image and print quality. <Operating Procedure> (1) Press the [0], and then the [9] in the initial state of maintenance mode. For models without keypad, press the [▲] or [▼] to display “MAINTENANCE 09”...

  • Page 212: Check Lcd Operation (Function Code 12)

    1.3.5 Check LCD operation (Function code 12) <Function> This function is used to check that the LCD on the control panel is operating normally. <Operating Procedure> (1) Press the [1], and then the [2] in the initial state of maintenance mode. For models without keypad, press the [▲] or [▼] to display “MAINTENANCE 12”...

  • Page 213: Check Control Panel Key Operation (Function Code 13)

    1.3.6 Check control panel key operation (Function code 13) <Function> This function is used to check that keys on the control panel are operating normally. <Operating Procedure> (1) Press the [1], and then the [3] in the initial state of maintenance mode. For models without keypad, press the [▲] or [▼] to display “MAINTENANCE 13”...

  • Page 214: Display Software Version (Function Code 25)

    1.3.7 Display software version (Function code 25) <Function> This function is used to check the version information of the firmwares and programs, or check sum information. <Operating Procedure> (1) Press the [2], and then the [5] in the initial state of maintenance mode. For models without keypad, press the [▲] or [▼] to display “MAINTENANCE 25”...

  • Page 215: Check Sensor Operation (Function Code 32)

    1.3.8 Check sensor operation (Function code 32) <Function> This function is used to check whether the sensors, solenoids, and clutches are operating normally. <Operating Procedure> (1) Press the [3], and then the [2] in the initial state of maintenance mode. For models without keypad, press the [▲] or [▼] to display “MAINTENANCE 32”...
  • Page 216  Location of sensors ADF cover sensor Document detection sensor Document scanning position sensor New toner sensor PCB ASSY Eject sensor Registration PCB ASSY front sensor Back cover/duplex tray sensor Registration rear sensor Paper feed sensor PCB ASSY Front cover sensor Registration clutch T1 clutch Fig.

  • Page 217: Display Lan Connection Status (Function Code 33)

    1.3.9 Display LAN connection status (Function code 33) <Function> This function is used to check the connection status of the wired LAN. <Operating Procedure> (1) Press the [3] twice in the initial state of maintenance mode. For models without keypad, press the [▲] or [▼] to display “MAINTENANCE 33”...

  • Page 218: Set Pc Print Functions (Function Code 43)

    1.3.10 Set PC print functions (Function code 43) <Function> This function is used to change the settings of the various print functions summarized in the table below. <Operating Procedure> (1) Press the [4], and then the [3] in the initial state of maintenance mode. For models without keypad, press the [▲] or [▼] to display “MAINTENANCE 43”...
  • Page 219 Description Set value Default P-Pos Y-Offset Print position offset in Y -500 to 500 (1/300 dpi) (portrait) direction (1/300 dpi) Auto FF Auto Form Feed setting On/Off Auto FF Time Time until Auto Form Feed 1 to 99 seconds 5 seconds timeout FF Suppress Blank page skip setting...
  • Page 220 Detail description Emulation Changes the print language. The Function Menu setting becomes valid. For data with ENTERLANGUAGE, this setting supersedes the setting on the LCD. Auto I/F Time Change the interface open time. This setting becomes valid when PC print is instructed, and becomes invalid when PC-Scan or Remote-SetUp is instructed.

  • Page 221: Change Usb No. Return Value / Adjust Left-End Print Position / Adjust Upper-End Print

    1.3.11 Change USB No. return value / Adjust left-end print position / Adjust upper-end print position / Change ON/OFF setting for lower case compensation / Change ON/OFF setting for fixation strength improvement (Function code 45)  Change USB No. return value <Function>...
  • Page 222  Adjust left-end print position <Function> In the event that the left-end print start position deviates, use this function to adjust the position left and right. The adjustable range is -100 to 750 (1 unit = 0.084 mm = 300 dpi). (Shifted to the left when the value is negative) <Operating Procedure>...
  • Page 223  Adjust upper-end print position <Function> In the event that the upper-end print start position deviates, use this function to adjust the position up and down. Adjustable range is -50 to 50 (1 unit = 0.084 mm = 300 dpi). (Shifted down when the value is negative) <Operating Procedure>...
  • Page 224  Change ON/OFF setting for lower case compensation <Function> This function is used to expand and compensate the white lower case which is easily collapsed by the pattern matching. <Operating Procedure> (1) Press the [4], and then the [5] in the initial state of maintenance mode. For models without keypad, press the [▲] or [▼] to display “MAINTENANCE 45”...

  • Page 225: Adjust Printable Range For Each Speed Level (Function Code 46)

    1.3.12 Adjust printable range for each speed level (Function code 46) <Function> This function is to adjust the printing position in horizontal / vertical direction. Position can be adjusted in 11 steps from -0.5% to 0.5% (Printing width gets smaller when the value is negative).
  • Page 226  Print adjustment test pattern Fig. 5-5 5-21 Confidential...

  • Page 227: Transfer Received Fax Data / Log Information

    1.3.13 Transfer received fax data / log information (Function code 53) <Function> When the machine is unable to print the received fax data due to an error in the printing mechanism, this function is used to transfer the data to another machine. The communication management report, communication list, or machine log information can also be transferred.
  • Page 228  Cover page example Job number to identify the transmission Total number of pages to be transferred Station ID registered in the sender machine Fax number of the sender machine Telephone number of the sender machine Transfer date and time Model code Boot ROM information ROM information...

  • Page 229: Fine-Tune Scanning Position (Function Code 54)

    1.3.14 Fine-tune scanning position (Function code 54) <Function> This function is used to adjust the scanning start/end positions. <Operating Procedure> (1) Press the [5], and then the [4] in the initial state of maintenance mode. “SCAN START ADJ” is displayed for two seconds, and then “0: ADF 1: FB” is displayed on the LCD. To adjust the ADF scanning position, press the [0] and proceed to the procedure (2).
  • Page 230 (1) Press the [5] twice in the initial state of maintenance mode. For models without keypad, press the [▲] or [▼] to display “MAINTENANCE 55” on the LCD and press the [OK]. “Press START” is displayed on the LCD. (2) Press the [Start] or [Mono Start]. “SCANNER AREA SET” is displayed on the LCD, and the white level data is obtained.

  • Page 231: Continuous Print Test (Function Code 67)

    1.3.16 Continuous print test (Function code 67) <Function> This function is used to conduct paper feed and eject tests while printing patterns. <Operating Procedure> (1) Press the [6], and then the [7] in the initial state of maintenance mode. For models without keypad, press the [▲] or [▼] to display “MAINTENANCE 67”...
  • Page 232 <Paper size> Description SELECT: A4 SELECT: LETTER Letter SELECT:ISOB5 ISO B5 SELECT:JISB5 JIS B5 SELECT:A5 SELECT:A5L SELECT:JISB6 JIS B6 SELECT:A6 SELECT:EXECUTE Executive size SELECT:LEGAL Legal size SELECT:FOLIO Folio size SELECT:HAGAKI Postcard size * Supports only for TRAY1 SX and AUTO SX. <Print specification>...
  • Page 233 <Print page> Description SELECT: 1PAGE 1-page printing SELECT: CONTINUE Continuous printing SELECT: JOB Intermittent printing per job * Selectable only when the printing pattern is set to “K1%” or “K5%”, and the print type is not set to the manual feed slot. <Number of pages per job>...
  • Page 234  Print pattern K 100% K 1% W 100% K 5% Lattice Total Fig. 5-9 5-29 Confidential...

  • Page 235: Print Frame Pattern (Single-Side Printing) (Function Code 69)

    1.3.17 Print frame pattern (single-side printing) (Function code 69) <Function> This function is used to print the frame pattern on single side of the paper to check for printing flaws and omission. <Operating Procedure> (1) Set the paper specified in the default paper settings (A4 or Letter) to the paper tray. (2) Press the [6], and then the [9] in the initial state of maintenance mode.

  • Page 236: Print Frame Pattern (Duplex Printing) (Function Code 70)

    1.3.18 Print frame pattern (duplex printing) (Function code 70) <Function> This function is used to print the frame pattern on both sides of the paper to check for printing flaws and omission. <Operating Procedure> (1) Set the paper specified in the default paper settings (A4 or Letter) to the paper tray. (2) Press the [7], and then the [0] in the initial state of maintenance mode.

  • Page 237: Test Pattern (Function Code 71)

    1.3.19 Test pattern (Function code 71) <Function> This function is used to print the test pattern to check whether the develop roller or exposure drum is dirty or damaged. <Operating Procedure> (1) Press the [7], and then the [1] in the initial state of maintenance mode. For models without keypad, press the [▲] or [▼] to display “MAINTENANCE 71”...
  • Page 238 <Print specification> Description SELECT: PLAIN Plain paper SELECT: THICK Plain paper (thick) SELECT: THIN Plain paper (thin) SELECT:THICKER Plain paper (thicker) SELECT:RECYCLED Recycled paper SELECT:BOND Bond paper SELECT:LABEL Label SELECT:ENVELOPE Envelope SELECT:ENVTHIN Envelope (thin) SELECT:ENVTHICK Envelope (thick) SELECT:HAGAKI Postcard <Print type> Description SELECT:SX Single-side printing from paper tray...

  • Page 239: Test Pattern

     Test pattern Fig. 5-12 5-34 Confidential...

  • Page 240: Configure For Country/Region And Model (Function Code 74)

    1.3.20 Configure for country/region and model (Function code 74) <Function> This function is used to customize the machine according to language and function settings. <Operating Procedure> (1) Press the [7], and then the [4] in the initial state of maintenance mode. For models without keypad, press the [▲] or [▼] to display “MAINTENANCE 74”...
  • Page 241 Country Code Country Code (Detail) Czech 0091 Czech 0037 Denmark Denmark 0013 Finland Finland 0012 France France 0005 Morocco 0005 Tunisia 0005 General Estonia 0050 Iceland 0050 Latvia 0050 Lithuania 0050 Germany Germany 0003 GULF Jordan 0041 Kuwait 0041 Oman 0041 Saudi Arabia 0041...

  • Page 242: Print Maintenance Information (Function Code 77)

    1.3.21 Print maintenance information (Function code 77) <Function> This function is used to print the maintenance information, such as remaining amount of consumables, the number of replacements, and counter information. <Operating Procedure> (1) Press the [7] twice in the initial state of maintenance mode. For models without keypad, press the [▲] or [▼] to display “MAINTENANCE 77”...
  • Page 243 Model name Total pages printed by other methods (Total / Duplex) Serial number Accumulated average coverage Model code Average coverage by the current toner cartridge Spec code Average coverage by the previous toner cartridge Switch check sum (factory use) and Latest job average coverage comparison of default / current value Main firmware version...

  • Page 244: Check Fan Operation (Function Code 78)

    1.3.22 Check fan operation (Function code 78) <Function> This function is used to check that the fan is operating normally. Switch the setting among rotation speed 100%, 50%, and OFF. Name Description Emits the heat in the fuser unit. <Operating Procedure> (1) Press the [7], and then the [8] in the initial state of maintenance mode.

  • Page 245: Display Machine Log Information (Function Code 80)

    1.3.24 Display machine log information (Function code 80) <Function> This function is used to display the log information on the LCD. <Operating Procedure> (1) Press the [8], and then the [0] in the initial state of maintenance mode. For models without keypad, press the [▲] or [▼] to display “MAINTENANCE 80”...
  • Page 246 Description PLTNRE:00000000 Total printed pages of plain, thin, and recycled paper TKTRBD:00000000 Total printed pages of thick, thicker, and bond paper ENVTYP:00000000 Total printed pages of envelope, thick envelope, and thin envelope LABEL:00000000 Printed pages on label HAGAKI:00000000 Printed pages on postcard TTL_JAM:00000000 Total paper jams that have occurred TR1_JAM:00000000...

  • Page 247: Display Machine Error Code (Function Code 82)

    Last 12 digits of the serial number are displayed. The serial number can be changed according to the procedures below. 1) While the serial number is displayed, press the [9], [4], [7], and [5] in this order to enter the edit mode with the first digit flashing. For models without keypad, press the [▲] or [▼] to display “9”...

  • Page 248: Reset Irregular Power Supply Detection Counter Of Low-Voltage Power Supply Pcb

    1.3.26 Reset irregular power supply detection counter of low-voltage power supply PCB (Function code 88) <Function> This function is used to reset the corresponding counter after the low-voltage power supply PCB ASSY is replaced. The number of times the part has been replaced is increased by one. <Operating Procedure>...

  • Page 249: Other Service Functions

    2. OTHER SERVICE FUNCTIONS 2.1 Print Communication Error List <Function> This function is used to print the communication error list (Communication List). <Operating Procedure> (1) Press the [Menu], [#], [1], [0], [4], [1], and [4] in this order in approximately two seconds while the machine is in the ready state.

  • Page 250: Resetting Drum Counter

    2.2 Resetting Drum Counter <Function> This function resets the drum counter when replacing it. <Operating Procedure> (1) Make sure that the front cover is open. (2) Press and hold the [OK] for about two seconds to display “Replace Drum?”. (3) Press the [1] to reset the drum counter. (4) Close the front cover.

  • Page 251: Chapter 6 Periodical Maintenance

    CHAPTER 6 PERIODICAL MAINTENANCE 1. PERIODICAL REPLACEMENT PARTS There are no parts to be replaced periodically. Confidential...

  • Page 252: Appendix 1 Deleting User Setting Information

    APPENDIX 1 DELETING USER SETTING INFORMATION The user setting information for the machine is stored in the main PCB. You can return this to the default settings by following the procedure below. <Operating Procedure> (1) Press the [Menu] while the machine is in the ready state. (2) Press the [▲] or [▼] to display “Initial Setup”...

  • Page 253: Appendix 2 Installing The Maintenance Printer Driver

    APPENDIX 2 INSTALLING THE MAINTENANCE PRINTER DRIVER To identify machines connected via USB direct interface, the computer requires the corresponding driver for the virtual USB device. If you connect any number of machines to your computer, the same number of virtual USB devices will be automatically configured on your computer.
  • Page 254 The following screen is displayed during installation. (4) Wait for the following screen to appear and click [Finish]. (5) Plug the AC cord of the machine into an electrical outlet. (6) Enter the maintenance mode. (Refer to “1.1 How to Enter Maintenance Mode” in Chapter (7) Connect the machine to your computer using a USB cable and the installation will be performed automatically.

  • Page 255: Appendix 3 How To Update The Firmware

    APPENDIX 3 HOW TO UPDATE THE FIRM- WARE ■ How to update the firmware (1) Install the printer driver on the computer and set as the default printer. (2) Check that the machine is on and execute the .exe file (“Firmware Update”) on the computer.

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