• Code: 2820
• Description: Transfer motor steady-state error Transfer motor is not stabilized within 5 s since the motor is activated.
• Causes: Defective connector cable or poor contact in the connector.
  Defective drive transmission system of motor.
  Defective transfer motor.
  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. Transfer motor and feed PWB 1 (YC13) Feed PWB 1 (YC2) and engine PWB (YC5)
  Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
  Defective transfer motor. Replace the transfer motor.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 2840
• Description: Transfer cleaning motor error
  After transfer cleaning motor is driven, the ready signal does not turn to L within 2 s.
  After transfer cleaning motor is stabilized, the ready signal is at the H level for 1 s continuously.
• Causes: Defective connector cable or poor contact in the connector.
  Defective drive transmission system of motor.
  Defective transfer cleaning motor.
  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. Transfer cleaning motor and engine PWB (YC3)
  Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
  Defective transfer cleaning motor. Replace the transfer cleaning motor.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 2850
• Description: Transfer belt sensor error
  The signal is not received for 100 ms in succession.
• Causes: Defective connector cable or poor contact in the connector
  Defective transfer belt sensor.
  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. Transfer belt sensor and engine PWB (YC3)
  Defective transfer belt sensor. Replace the transfer belt sensor.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 2860
• Description: Transfer belt sensor error
  The signal is not received for 100 ms in succession.
• Causes: Defective connector cable or poor contact in the connector.
  Defective transfer belt sensor.
  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. Transfer belt sensor and engine PWB (YC3)
  Defective transfer belt sensor. Replace the transfer belt sensor.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 2950
• Description: Motor control PWB communication error
  A communication error from the motor control PWB is detected 10 times in succession.
• Causes: Defective connector cable or poor contact in the connector.
  Defective motor control PWB.
  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. Motor control PWB (YC3) and engine PWB (YC9)
  Defective motor control PWB. Replace the motor control PWB and check for correct operation.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 3100
• Description: Scanner carriage error
  The home position is not correct when the power is turned on or at the start of copying using the table.
• Causes: Defective connector cable or poor contact in the connector.
  Defective home position sensor.
  Defective scanner motor.
  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. Home position sensor and ISC PWB (YC8) Scanner motor and ISC PWB (YC5) ISC PWB (YC3) and main PWB (YC11)
  Defective home position sensor. Replace the home position sensor.
  Defective scanner motor. Replace the scanner motor.
  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: 3200
• Description: Exposure lamp error
  When input value at the time of LED lamp PWB illumination does not exceed the threshold value between 5 s.
• Causes: Defective connector cable or poor contact in the connector.
  Defective LED lamp 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. LED lamp PWB and ISC PWB (YC6) ISC PWB (YC3) and main PWB (YC11)
  Defective LED lamp PWB. Replace the LED lamp 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: 3210
• Description: CIS lamp error
  When input value at the time of CIS illumination does not exceed the threshold value between 5 s.
• Causes: Defective connector cable or poor contact in the connector
  Defective CIS.
  Defective DPSHD PWB.
  Defective DP relay 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. CIS and DPSHD PWB (YC2) DPSHD PWB (YC3) and DP relay PWB (YC2)
  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.