• Code: 2700
• Description: TC belt motor error
  When the TC belt motor is driven, error signal is detected continuously for 3 s.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective 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. TC belt motor and TC PWB(YC2) TC PWB and TC connect PWB(YC1) TC connect PWB and engine PWB(YC5)
  Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
  Defective motor. Replace the TC belt motor.
  Defective PWB. Replace the engine PWB or TC PWB or TC connect PWB check for correct operation.

• Code: 3100
• Description: ISU home position error ON/OFF of the HP sensor doesn't change after a prescribed pulse passes from power supply ON.
• Causes: Defective connector cable or poor contact in the connector. Defective home position sensor. Defective ISU motor. Defective CCD PWB. Defective 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. Home position sensor and ISC PWB (YC8) ISC PWB and main PWB (YC11)
  Defective home position sensor. Replace the home position sensor.
  Defective ISU motor. Replace the ISU motor.
  Defective CCD PWB. Replace the image scanner unit.
  Defective PWB. Replace the main PWB and check for correct operation.

• Code: 3220
• Description: Exposure lamp error
  When the white standard data at the time of an initial is lower than a rated value.
• Causes: Defective connector cable or poor contact in the connector. Defective LED PWB. Defective 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 and ISC PWB (YC9) ISC PWB and main PWB (YC11)
  Defective LED PWB. Replace the LED unit and check for correct operation.
  Defective PWB. Replace the main PWB and check for correct operation.

• 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 LED PWB or CCD PWB. Defective 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. LED PWB and ISC PWB (YC6) CCD PWB (YC2) and ISC PWB (YC9) ISC PWB (YC3) and main PWB (YC11)
  Defective LED PWB or CCD PWB. Replace the image scanner unit.
  Defective PWB. Replace the ISC PWB or the main PWB and check for correct operation.

• Code: 3500
• Description: Communication error A wrong read-back value.
• Causes: Defective connector cable or poor contact in the connector. Defective CCD PWB. Defective 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 and ISC PWB (YC9) ISC PWB and main PWB (YC11)
  Defective CCD PWB. Replace the image scanner unit.
  Defective PWB. Replace the main PWB and check for correct operation.

• Code: 3600
• Description: Scanner sequence error
• Causes: Defective main PWB or engine PWB.
• Remedy: Replace the main PWB or the engine 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.