• Code: C0030
• Description: Fax control PWB system problem
  Processing with the fax software was disabled due to a hardware or software problem.
• Causes: Defective fax control PWB.
• Remedy: Replace the fax control PWB and verify the operation.

• Code: C0070
• Description: Abnormal detection of fax control PWB incompatibility
  In the initial communication with the fax control PWB, any normal communication command is not transmitted.
• Causes: Defective fax software.
  Defective fax control PWB.
• Remedy: Defective fax software. Install the fax software.
  Defective fax control PWB. Replace the fax control PWB and verify the operation.

• Code: C0100
• Description: Backup memory (EEPROM) device problem (Main PWB)
  Reading from or writing to EEPROM cannot be performed.
• Causes: Defective main PWB.
  Device damage of EEPROM.
• Remedy: Defective main PWB. Replace the main PWB and check for correct operation.
  Device damage of EEPROM. Contact the Service Administrative Division.

• Code: C0110
• Description: Backup memory (EEPROM) data problem (Main PWB)
  Reading data from EEPROM is abnormal.
• Causes: Data damage of EEPROM.
• Remedy: Contact the Service Administrative Division.

• Code: C0150
• Description: Backup memory (EEPROM) device problem (Engine PWB)
  No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively.
• Causes: Defective engine PWB.
  Device damage of EEPROM.
• Remedy: Defective engine PWB. Replace the engine PWB and check for correct operation.
  Device damage of EEPROM. Contact the Service Administrative Division.

• Code: C0160
• Description: Backup memory (EEPROM) data problem (Engine PWB)
  Reading data from EEPROM is abnormal.
• Causes: Data damage of EEPROM.
• Remedy: Contact the Service Administrative Division.

• Code: C0170
• Description: Copy counts problem
  A checksum error is detected in the main and sub backup memories for the copy counters.
• Causes: Data damage of EEPROM.
  Defective main PWB.
• Remedy: Data damage of EEPROM. Contact the Service Administrative Division.
  Defective main PWB. Replace the main PWB and check for correct operation.

• Code: C0180
• Description: Machine number mismatch error
  Machine number of main PWB and engine PWB does not match.
• Causes: Data damage of EEPROM.
• Remedy: Contact the Service Administrative Division.