• Code: 3300
• Description: Optical system (AGC) error
  After AGC, correct input is not obtained at CCD.
• Causes: Defective connector cable or poor contact in the connector.
  Defective exposure lamp.
  Defective CCD PWB.
  Defective ISC PWB.
  Defective main PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. CCD PWB (YC2) and ISC PWB (YC9) ISC PWB (YC3) and main PWB (YC11)
  Defective exposure lamp. Replace the LED lamp PWB and check for correct operation.
  Defective CCD PWB. Replace the CCD PWB and check for correct operation.
  Defective ISC PWB. Replace the ISC PWB and check for correct operation.
  Defective main PWB. Replace the main PWB and check for correct operation.

• Code: 3310
• Description: CIS AGC error
  After AGC, correct input is not obtained at CIS.
• Causes: Defective CIS.
  Defective DPSHD PWB.
  Defective DP relay PWB.
• Remedy: Defective CIS. Replace the CIS and check for correct operation.
  Defective DPSHD PWB. Replace the DPSHD PWB and check for correct operation.
  Defective DP relay PWB. Replace the DP relay PWB and check for correct operation.

• Code: 3500
• Description: Communication error between scanner and ASIC An error code is detected.
• Causes: Defective connector cable or poor contact in the connector
  Defective ISC PWB.
  Defective main PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. ISC PWB (YC3) and main PWB (YC11)
  Defective ISC PWB. Replace the ISC PWB and check for correct operation.
  Defective main PWB. Replace the main PWB and check for correct operation.

• Code: 3600
• Description: Scanner sequence error
• Causes: Defective ISC PWB.
• Remedy: Replace the ISC PWB and check for correct operation.

• Code: 3700
• Description: Scanner device error
• Causes: CCD connector inserted incorrectly.
• Remedy: Reinsert the image scanner unit connector if necessary.

• Code: 3800
• Description: AFE error
  When writing the data, read and write data does not match 3 times in succession.
• Causes: Defective ISC PWB.
• Remedy: Replace the ISC PWB and check for correct operation.

• Code: 3900
• Description: Backup memory read/write error (ISC PWB)
  Read and write data does not match.
• Causes: Defective backup memory or PWB.
• Remedy: Replace the ISC PWB and check for correct operation.

• Code: 4001
• Description: Polygon motor K synchronization error
  After polygon motor K is driven, the ready signal does not turn to L within 30 s.
• Causes: Defective connector cable or poor contact in the connector.
  Defective polygon motor K.
  Defective engine PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Polygon motor K and LSU relay PWB (YC4) LSU relay PWB (YC4) and engine PWB (YC12)
  Defective polygon motor K. Replace the laser scanner unit.
  Defective engine PWB. Replace the engine PWB and check for correct operation.