Ricoh D027 Service Manual
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Ricoh D027 Service Manual

Ricoh D027 Service Manual

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D027/D029

SERVICE MANUAL

(Book 1 of 2)
003984MIU
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Summary of Contents for Ricoh D027

  • Page 1: Service Manual

    D027/D029 SERVICE MANUAL (Book 1 of 2) 003984MIU MAINFRAME...
  • Page 2 Scanner motor driver defective Scanner motor defective Harness between SIO board and scanner motor disconnected Scanner HP sensor defective Harness between SIO and HP sensor disconnected Check the cable connection between the SIO board and scanner motor. D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 3 Replace the HP sensor. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Black level detection error The black level cannot be adjusted within the target value during the zero clamp. Harness disconnected Defective SBU Check the cable connection Replace the SBU. D027/D029 APPENDICES...
  • Page 4 The SBU connection cannot be detected at power on or recovery from the energy save mode. Defective SBU Defective harness Defective detection port on the BICU Replace the harness. Replace the SBU. Replace the BICU. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) IPU error D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 5 Reinstall the copy data security board. Replace the copy data security board. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Serial Number Mismatch Serial number stored in the memory does not have the correct code. NVRAM defective BICU replaced without original NVRAM D027/D029 APPENDICES...
  • Page 6 SC Tables Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Check the serial number with SP5-811-002. If the stored serial number is incorrect, contact your supervisor. D027/D029 APPENDICES http://www.manuals4you.com...

  • Page 7: Service Call Tables

    Disconnected or defective harness to polygon motor driver board Defective polygon motor driver board Defective polygon motor Check or replace the harness. Replace the polygon motor. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Polygon motor error 3: XSCRDY signal error D027/D029 APPENDICES 3-10...
  • Page 8 Defective LD board or driver Defective BICU Replace the harness of the LD board. Replace the laser optics housing unit. Replace the BICU. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Laser synchronizing detection error: start position [K]: LD0 3-11 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 9 FGATE ON error: K The PFGATE ON signal does not assert within 5 seconds after processing the image in normal job or MUSIC for start position [K]. Defective ASIC (Lupus) Poor connection between controller and BICU. Defective BICU D027/D029 APPENDICES 3-12...
  • Page 10 MUSIC for end position [Y]. The PFGATE ON signal still asserts when the next job starts. See SC 230 for troubleshooting details. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) FGATE ON error: M 3-13 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 11 MUSIC for end position [C]. The PFGATE ON signal still asserts when the next job starts. See SC 230 for troubleshooting details. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) LD error: K D027/D029 APPENDICES 3-14...
  • Page 12 Check and reinstall the image transfer belt unit and PCUs. Check if each toner bottle has enough toner. Replace the ID sensor. Replace the image transfer belt unit. Replace the PCU(s). Replace the laser optics housing unit. 3-15 D027/D029 APPENDICES http://www.manuals4you.com...

  • Page 13: Sc3Xx: Image Processing

    The Vt value of the black, magenta, cyan, or yellow TD sensor exceeds the specified value (default: 4.7V) with SP3020-002 for twenty counts. The [Vt - Vtref] value of the black, magenta, cyan, or yellow TD sensor exceeds the specified value (default: 5.0V) with SP3020-001. D027/D029 APPENDICES 3-16...
  • Page 14 TD sensor and PCU for damage. Check the drawer connector. Replace the defective PCU. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) TD sensor adjustment error: K TD sensor adjustment error: M TD sensor adjustment error: C 3-17 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 15 Drum gear position sensor error: C Drum gear position sensor error: Y The machine does not detect the drum position signal for 3 seconds at the drum phase adjustment. Dirty or defectiv e drum gear position sensor Replace drum gear D027/D029 APPENDICES 3-18...
  • Page 16 Overload on the drum/development motor Defective drum/development motor Defective harness Shorted 24 V fuse on the PSU Defective interlock system Check or replace the harness. Replace the drum/development motor. Replace the 24V fuse on the PSU. 3-19 D027/D029 APPENDICES http://www.manuals4you.com...

  • Page 17: Sc4Xx: Image Processing

    Image transfer unit motor error The motor LOCK signal is not detected for more than two seconds while the motor START signal is on. Motor overload Defective image transfer unit motor Replace the image transfer belt unit. Replace the IOB. D027/D029 APPENDICES 3-20...
  • Page 18 Paper transfer unit contact error The paper transfer unit contact sensor does not detect the movement of actuator at the sensor while the polygon motor rotates. Defective paper transfer unit contact sensor Defective paper transfer unit contact motor 3-21 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 19 Toner transport motor error The LOCK signal is not detected for 2 seconds when the transport motor turns on. Toner transport motor overload Disconnected or broken harness Defective toner transport motor Opened +24V fuse on the PSU Defective interlock switch D027/D029 APPENDICES 3-22...
  • Page 20 Broken harness Defective image transfer belt unit or paper transfer unit Defective high voltage supply unit Check or replace the harness. Replace the image transfer belt unit or paper transfer unit. Replace the high voltage supply unit. 3-23 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 21 The thermistor output of the humidity sensor was not within the prescribed range (0.01V to 2.4V). Temperature and humidity sensor harness disconnected, loose, defective Temperature and humidity sensor defective Check the connector and harness. Replace the temperature/humidity sensor. D027/D029 APPENDICES 3-24...

  • Page 22: Sc5Xx: Paper Feed And Fusing

    Details (Symptom, Possible Cause, Troubleshooting Procedures) 503-01 Tray 3 error (Paper Feed Unit or LCT) For the paper feed unit: When the tray lift motor is turned on, the upper limit is not detected within 10 seconds For the LCT: 3-25 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 23 If the upper limit does not go off for 1.5 seconds even the tray lift motor turns on to lower the tray after the upper limit has been detected at power on. For the paper feed unit: Defective tray lift motor or connector disconnection D027/D029 APPENDICES 3-26...
  • Page 24 Tray 4 error (3 Tray Paper Feed Unit) This SC is generated if the following condition occurs 3 consecutive times. For the two-tray paper feed unit When the tray lowers, the tray lift sensor does not go off within 1.5 3-27 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 25 Tray lift motor defective or disconnected Tray lift sensor defective or disconnected Lowe limit sensor defective or disconnected Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Fusing fan error The IOB does not receive the lock signal 10 seconds after turning on D027/D029 APPENDICES 3-28...
  • Page 26 Disconnected harness Overload on the IH coil fan motor Defective IH coil fan motor Defective IOB Check or replace the harness. Replace the IH coil fan. Replace the IOB. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 3-29 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 27 Replace the second duct fan. Replace the IOB. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Paper exit fan error The machine does not detect the fan motor lock signal for 2 seconds while the paper exit fan turns on. D027/D029 APPENDICES 3-30...
  • Page 28 Details (Symptom, Possible Cause, Troubleshooting Procedures) Fusing/Paper exit motor error The IOB does not receive the lock signal 10 seconds after turning on the fusing/paper exit motor. Motor overload Defective fusing/paper exit motor Replace the fusing/paper exit motor. 3-31 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 29 Replace the thermopile. Replace the IH coil unit. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Heating roller overheat 1 (software error) The detected fusing temperature stays at 215°C for 1 second. Defective PSU Defective IOB Defective BICU D027/D029 APPENDICES 3-32...
  • Page 30 The detection error occurs twice or more in the 11 zero cross signal detections. This error is defined when the detected zero cross signal is less than 39. 3-33 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 31 Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Heating roller thermistor error The temperature measured by the pressure roller thermistor does not reach 0 °C for 7 seconds. Loose connection of pressure roller thermistor Defective pressure roller thermistor D027/D029 APPENDICES 3-34...
  • Page 32 Heating roller overheat (software error) The detected heating roller temperature stays at 230°C or more for 1 second. Defective PSU Defective IOB Defective BICU Related SC code: SC 543 Replace the PSU. Replace the IOB. Replace the BICU. 3-35 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 33 This SC is activated only when SP1159-001 is set to "1" (default "0"). Paper jam in the fusing unit. Remove the paper that is jammed in the fusing unit. Then make sure that the fusing unit is clean and has no obstacles in the paper feed path. D027/D029 APPENDICES 3-36...
  • Page 34 Details (Symptom, Possible Cause, Troubleshooting Procedures) Pressure roller overheat 3 (software error) The detected pressure roller temperature stays at 215°C or more for 1 second. Defective PSU Defective IOB Defective BICU Replace the PSU. Replace the IOB. 3-37 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 35 Replace the PSU. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Pressure roller contact sensor error Pressure roller contact sensor failed to detect 3 times. Broken or defective pressure roller contact sensor Deformed or broken pressure roller contact sensor feeler D027/D029 APPENDICES 3-38...
  • Page 36 Defective fusing unit Check the power input terminals 1 and 2. Replace the IH inverter. Replace the IH coil unit. Replace the fusing unit. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) IH coil unit full power (1250W) error 3-39 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 37 Defective IH inverter Defective BICU Defective IOB Broken connection between IH inverter and IOB Defective thermopile Replace the IH inverter. Replace the BICU. Replace the IOB. Check the connection between IH inverter and IOB. Replace the thermopile. D027/D029 APPENDICES 3-40...

  • Page 38: Sc6Xx: Device Communication

    Incorrect installation of ARDF ARDF defective BICU board defective External noise Check the cable connection of the ARDF. Shut out the external noise. Replace the ARDF. Replace the BICU board. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 3-41 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 39 This SC is not issued for this machine. When a communication error signal between the 1st paper bank and 2nd paper bank is received. Loose connector Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Counter device error 1 D027/D029 APPENDICES 3-42...
  • Page 40 A backup RAM error was returned by the counter device. Counter device control board defective Backup battery of counter device defective Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Counter device error 4 A backup battery error was returned by the counter device. 3-43 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 41 Incorrect module version Install the correct file of the expanded authentication module. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) BICU control data transfer abnormal A sampling of the control data sent from the BICU reveals an abnormality. D027/D029 APPENDICES 3-44...
  • Page 42 Check and set the correct AT command (SP5819-160). Communication line error The supplied voltage is not sufficient due to the defective communication line or defective connection. -005 Same as -001 Consult with the user's local telephone company. 3-45 D027/D029 APPENDICES http://www.manuals4you.com...

  • Page 43: Eeprom Error

    Details (Symptom, Possible Cause, Troubleshooting Procedures) Engine start up error The ready signal from the engine board is not detected. Defective engine board. Replace the engine board. Engine board mismatch error Engine board and controller mismatch detected. D027/D029 APPENDICES 3-46...
  • Page 44 Retry of RFID communication fails three times after the machine has detected the RFID communication error. Defective RFID reader and writer Disconnected ASAP I/F No memory chip on the toner cartridge Noise Replace the RFID controller board. Replace the toner cartridge. 3-47 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 45 The BICU does not receive a memory address command from the controller 120 seconds after paper is in the position for registration. Loose connection Defective controller Defective BICU Check if the controller is firmly connected to the BICU. Replace the controller. Replace the BICU. D027/D029 APPENDICES 3-48...
  • Page 46 The I2C bus communication is not established due to an error other than a buffer shortage. Loose connection Defective BICU Defective LD controller board Turn the main switch off and on. Check the cable connection. Replace the laser optics-housing unit. Replace the BICU board. 3-49 D027/D029 APPENDICES http://www.manuals4you.com...

  • Page 47: Sc7Xx: Peripherals

    Defective pick-up motor Defective DF drive board Replace the DF drive board if the pick-up motor does not work correctly. Replace the pick-up motor. Replace the pick-up roller HP sensor. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) D027/D029 APPENDICES 3-50...
  • Page 48 Details (Symptom, Possible Cause, Troubleshooting Procedures) Finisher exit guide plate motor error After moving away from the guide plate position sensor, the exit guide is not detected at the home position within the prescribed time. The 1st 3-51 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 49 Replace the shift tray HP sensor and/or shift motor Replace the finisher main board. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Finisher corner stapler motor error The 1st detection failure issues a jam error, and the 2nd failure issues D027/D029 APPENDICES 3-52...
  • Page 50 The 1st detection failure issues a jam error, and the 2nd failure issues this SC code. Defective stapler rotation motor Overload to the stapler rotation motor Defective stapler rotation HP sensor Replace the stapler rotation motor. Replace the stapler rotation HP sensor. 3-53 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 51 For the 2000/3000-sheet (booklet) finisher The front stapler unit saddle-stitch motor does not start operation within the specified time. Motor overload Loose connection of the front stapler motor Defective front stapler motor Replace the front stapler motor. D027/D029 APPENDICES 3-54...
  • Page 52 The upper tray paper height sensor does not change its status with the specified time after the tray raises or lowers. Check the connections to the shift tray motor. Defective shift tray motor. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Return roller motor error 3-55 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 53 The 1st detection failure issues a jam error, and the 2nd failure issues this SC code. Folder plate HP sensor disconnected, defective Folder plate motor disconnected, defective Folder plate motor overloaded due to obstruction. D027/D029 APPENDICES 3-56...
  • Page 54 2nd failure issues this SC code. Motor harness disconnected, loose, defective Defective motor Check the connections to the paper position sensor slide motor. Defective paper position sensor slide motor. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 3-57 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 55 The 1st detection failure issues a jam error, and the 2nd failure issues this SC code. Motor harness disconnected, loose, defective Defective motor Check the connections to the paper position sensor slide motor. D027/D029 APPENDICES 3-58...
  • Page 56 Check the connections between the bridge unit and the machine. Install a new bridge unit. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Finisher error The machine does not recognize the finisher, but recognizes the bridge unit. 3-59 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 57 SC Tables Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Defective connector Defective harness Incorrect installation Check the connections between the finisher and the machine. Install a new finisher. D027/D029 APPENDICES 3-60...

  • Page 58: Sc8Xx: Overall System

    L2 status time out Replace controller firmware [554C] USB error Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Self-diagnostics error: CPU [XXXX]: Detailed error code [0612] Cut-in in ASIC occurs. Defective ASIC Defective devices in which ASIC detects cut-in. 3-61 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 59 Check for loose connections at the mother board. Replace the mother board Type Details (Symptom, Possible Cause, Troubleshooting Procedures) IEEE1394 interface error The 1394 interface is unusable. Defective IEEE1394 Defective controller. Turn the main switch off and on. Replace the IEEE1394 interface board. D027/D029 APPENDICES 3-62...
  • Page 60 Details (Symptom, Possible Cause, Troubleshooting Procedures) Wireless LAN/Bluetooth card error An error is detected in the wireless LAN/Bluetooth card. Loose connection Defective wireless LAN/Bluetooth card Check the connection. Replace the wireless LAN/Bluetooth card. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 3-63 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 61 HDD encryption unit. Encryption key acquisition error: The controller fails to get a new encryption key. Defective controller board Replace controller board. Encryption key setting for HDD error: controller fails to copy a D027/D029 APPENDICES 3-64...
  • Page 62 HDD. Defective SATA chip on controller board Replace controller board. Encryption key setting for HDD error: controller fails to copy a encryption key to the HDD. Defective SATA chip on controller board Replace 3-65 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 63 NVRAM data is encrypted. [30] Defective controller board Replace controller board. NVRAM data encryption error 2: An error occurs before the NVRAM data is encrypted. [31] Other error: A serious error occurs while the data is D027/D029 APPENDICES 3-66...
  • Page 64 The data encryption (NVRAM and HDD) has not been completed. Power failure during the data encryption Initialize the HDD. Data read/write error: The DMAC error is detected twice or more. [10] Same as SC863 Type Details (Symptom, Possible Cause, Troubleshooting Procedures) HDD: Initialization error 3-67 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 65 Check and replace the cables. Replace the HDD. Replace the controller. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) HDD: Read error The data stored in the HDD cannot be read correctly. Defective HDD Defective controller Replace the HDD. Replace the controller. D027/D029 APPENDICES 3-68...
  • Page 66 Store correct data in the SD card. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) SD card error The SD card is ejected from the slot. Install the SD card. Turn the main switch off and on. 3-69 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 67 Details (Symptom, Possible Cause, Troubleshooting Procedures) HDD mail data error An error is detected in the HDD at machine initialization. Defective HDD Power failure during an access to the HDD Turn the main switch off and on. D027/D029 APPENDICES 3-70...
  • Page 68 An error is detected while all of the HDD or NVRAM are formatted logically by the Data Overwrite Security Unit (D377). The logical format for the HDD fails. Turn the main switch off/on and try the operation again 3-71 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 69 Unusual log encryption function due to defective NVRAM data Initialize the HDD with SP5832-004. Log Data Error 5 Installed NVRAM or HDD which is used in another machine -005 Reinstall the previous NVRAM or HDD. Initialize the HDD with SP5832-004. -099 Log Data Error 99 D027/D029 APPENDICES 3-72...
  • Page 70 Defective flash ROM on the controller board Replace the controller board. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) File format converter error The file format converter does not respond. Defective file format converter Replace the file format converter. 3-73 D027/D029 APPENDICES http://www.manuals4you.com...

  • Page 71: Service Call Tables

    Please refer to the instructions for the external controller (application). Type Details (Symptom, Possible Cause, Troubleshooting Procedures) External Controller Error 6 While EAC (External Application Converter), the conversion module, was operating normally, the receipt of a power line interrupt signal from D027/D029 APPENDICES 3-74...
  • Page 72 A necessary font is not found in the SD card. The SD card data is corrupted. Check that the SD card has the correct data. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Software performance error The software makes an unexpected operation. Defective software 3-75 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 73 An error occurred because the number of records exceeded the limit for images managed in the service layer of the firmware. This can occur if there if there are too many application screens open on the operation D027/D029 APPENDICES 3-76...
  • Page 74 Incorrect model controller installed. -004 Replace the controller with the correct model. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Application function selection error The application selected by the operation panel key does not start or ends abnormally. 3-77 D027/D029 APPENDICES http://www.manuals4you.com...
  • Page 75 Please understand that it may take some time to get a reply on how to solve the problem, because in some cases the design staff in Japan must analyze the data. D027/D029 APPENDICES 3-78...

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D029

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