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OKI B8300n

Error Codes List page 1

  • Code: C1 00
  • Description: MC trouble. Main charger output abnormality (Output open) Trouble signal is outputted from the high voltage transformer.
  • Causes: The main charger is not installed properly. The main charger is not assembled properly. Disconnection of connector of high voltage transformer. High voltage harness disconnection or breakage.
  • Remedy: Use the diag mode or DIAG to check the main charger output. Check for disconnection of the main charger. Replace the high voltage unit.
  • Code: E7 02
  • Description: Laser trouble. BD signal from LSU is kept OFF, or ON.
  • Causes: The connector of LSU or the harness in LSU is disconnected or broken. The polygon motor does not rotate normally. The laser home position sensor in LSU is shifted. The proper voltage is not supplied to the power line for laser. Laser emitting diode trouble PCU PWB trouble Controller PWB trouble
  • Remedy: Check for disconnection of the LSU connector. Use DIAG (SIM 61-1) to check LSU operation. Check that the polygon motor rotates normally or not. Check light emission of laser emitting diode. Replace the LSU unit. Replace the PCU PWB. Replace the Controller PWB.
  • Code: E7 03
  • Description: HDD trouble. HDD does not operate properly in the machine with HDD installed.
  • Causes: HDD is not installed properly to the Controller PWB. HDD does not operate properly in the Controller PWB. Controller PWB trouble
  • Remedy: Check installation of HDD to the Controller PWB. Check connection of the harness of HDD to the Controller PWB. Use DIAG (SIM 62-2, -3) to check read/write of HDD. Replace HDD. Replace Controller PWB.
  • Code: E7 06
  • Description: Decode error trouble. A decode error occurs during making of an image.
  • Causes: Data error during input from PCI to PM. PM trouble Data error during image compression/ transfer. Controller PWB abnormality
  • Remedy: Check insertion of the PWB. (PCI bus) If the error occurred in a FAX job, check installation of the FAX PWB. For the other cases, check the Controller PWB. Replace the Controller PWB.
  • Code: E7 50
  • Description: LSU connection trouble. An LSU which does not conform to the machine is installed.
  • Causes: PCU PWB trouble LSU trouble
  • Remedy: Check LSU PWB. Check PCU PWB. Check connection of the connector and the harness between PCU and LSU.
  • Code: EE EL
  • Description: Auto developer adjustment trouble (Over-toner). The sample data is of 68 or below when auto developer adjustment is performed.
  • Causes: Toner concentration sensor trouble Charging voltage, developing voltage abnormality Insufficient toner concentration Developing unit trouble PCU PWB trouble
  • Remedy: Use DIAG (SIM25-2) to perform auto developer adjustment.
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