• Code: C2262
• Description: Drum motor C device error
  The device alarm signal is input.
• Causes: Poor contact in the connector terminals. Defective drum motor C. Defective PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC6 on the motor control PWB and the connector of the drum motor C, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective drum motor C. Replace the drum motor C.
  Defective PWB. Replace the motor control PWB or engine PWB and check for correct operation.

• Code: C2263
• Description: Drum motor M device error
  The device alarm signal is input.
• Causes: Poor contact in the connector terminals. Defective drum motor M. Defective PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC5 on the motor control PWB and the connector of the drum motor M, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective drum motor M. Replace the drum motor M.
  Defective PWB. Replace the motor control PWB or engine PWB and check for correct operation.

• Code: C2264
• Description: Drum motor Y device error
  The device alarm signal is input.
• Causes: Poor contact in the connector terminals. Defective drum motor Y. Defective PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC7 on the motor control PWB and the connector of the drum motor Y, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective drum motor Y. Replace the drum motor Y.
  Defective PWB. Replace the motor control PWB or engine PWB and check for correct operation.

• Code: C2271
• Description: Drum position sensor K error
  While the drum rotates two turns, no signal is input to the sensor.
• Causes: Poor contact in the connector terminals. Defective drum position sensor K. Defective PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC3 on the main front PWB and the connector of the drum unit K, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective drum position sensor K. Replace the drum unit K.
  Defective PWB. Replace the main front PWB or engine PWB and check for correct operation.

• Code: C2272
• Description: Drum position sensor C error
  While the drum rotates two turns, no signal is input to the sensor.
• Causes: Poor contact in the connector terminals. Defective drum position sensor C. Defective PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC5 on the sub front PWB and the connector of the drum unit C, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective drum position sensor C. Replace the drum unit C.
  Defective PWB. Replace the sub front PWB or engine PWB and check for correct operation.

• Code: C2273
• Description: Drum position sensor M error
  While the drum rotates two turns, no signal is input to the sensor.
• Causes: Poor contact in the connector terminals. Defective drum position sensor M. Defective PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC7 on the sub front PWB and the connector of the drum unit M, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective drum position sensor M. Replace the drum unit M.
  Defective PWB. Replace the sub front PWB or engine PWB and check for correct operation.

• Code: C2274
• Description: Drum position sensor Y error
  While the drum rotates two turns, no signal is input to the sensor.
• Causes: Poor contact in the connector terminals. Defective drum position sensor Y. Defective PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC3 on the sub front PWB and the connector of the drum unit Y, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective drum position sensor Y. Replace the drum unit Y.
  Defective PWB. Replace the sub front PWB or engine PWB and check for correct operation.

• Code: C2300
• Description: Fuser motor error
  After the motor drive ON signal is output and 1 s elapses, the rated speed reach signal is not input continuously for 2 s.
• Causes: Poor contact in the connector terminals. Defective drive transmission system. Defective fuser motor. Defective engine PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC25 on the engine PWB and the connector of the fuser motor, and the continuity across the connector terminals. Repair or replace if necessary.
  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 fuser motor. Run maintenance item U030 and check if the fuser motor operates when YC25-B4 (remote signal) on the engine PWB goes low. If not, replace the fuser motor.
  Defective engine PWB. Run maintenance item U030 and check if YC25-B4 (remote signal) on the engine PWB goes low. If not, replace the engine PWB.