• Code: C0170
• Description: Copy counts problem
  When the power is turned on, the total count and the scan count are abnormal both on the main and engine.
• Causes: Data damage of EEPROM.
  Defective main/ engine PWB.
• Remedy: Data damage of EEPROM. Contact the Service Administrative Division.
  Defective main/ engine PWB. Replace the main/engine PWB and check for correct operation.

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

• Code: C0210
• Description: Communication problem between the main and engine
  When the power is turned on, the machine does not detect the low level of SBSY and the high level of SDIR for 10 s.
• Causes: Poor contact in the connector terminals.
  Defective main/ engine PWB.
• Remedy: Poor contact in the connector terminals. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable.
  Defective main/ engine PWB. Replace the main/engine PWB and check for correct operation.

• Code: C0240
• Description: Printer PWB communication problem
  The printer PWB does not respond 120 s after the power is turned on.
• Causes: Poor contact in the connector terminals.
  Defective main/ engine PWB.
• Remedy: Poor contact in the connector terminals. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable.
  Defective main/ engine PWB. Replace the main/engine PWB and check for correct operation.

• Code: C0610
• Description: Bitmap (DIMM) problem
  There is a problem with the data or address bus of the bitmap DRAM.
• Causes: Defective main/ engine PWB.
  DIMM installed incorrectly.
  Defective DIMM.
• Remedy: Defective main/ engine PWB. Replace the main/engine PWB and check for correct operation.
  DIMM installed incorrectly. Check if the DIMM is inserted into the socket on the main/engine PWB correctly.
  Defective DIMM. Replace the DIMM and check for correct operation.

• Code: C0620
• Description: Memory input interface problem
  Reading-in of an image does not complete within 10 s of the start of image transmission.
• Causes: Defective main/ engine PWB.
• Remedy: Defective main/ engine PWB. Replace the main/engine PWB and check for correct operation.

• Code: C0630
• Description: DMA problem
  DMA transmission of compressed, decompressed, rotated, relocated or blanked-out image data does not complete within the specified period of time.
• Causes: Defective main/ engine PWB.
• Remedy: Defective main/ engine PWB. Replace the main/engine PWB and check for correct operation.

• Code: C0800
• Description: Image processing problem
  JAM05 is detected twice.
• Causes: Defective main/ engine PWB.
• Remedy: Defective main/ engine PWB. Replace the main/engine PWB and check for correct operation.