• Code: 1710
• Description: Side multi tray incompatible detection error
  The side multi tray has been installed with a device to which it is incompatible.
• Causes: The side multi tray is installed with a device to which it is incompatible.
• Remedy: Install the side multi-tray with the target model.

• Code: 1800
• Description: Paper feeder communication error
  A communication error from paper feeder is detected 10 times in succession.
• Causes: Paper feeder. PF main PWB. Engine PWB
• Remedy: Paper feeder Check the wiring connection status with the main unit and, if necessary, try connecting it again.
  PF main PWB 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. PF main PWB (YC13) and Engine PWB (YC19) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the PF main PWB (Refer to the service manual for the paper feeder).
  Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.

• Code: 1900
• Description: Paper feeder EEPROM error
  When writing the data, read and write data does not match 3 times in succession.
• Causes: PF main PWB (EEPROM).
• Remedy: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. 2. Replace the PF main PWB (Refer to the service manual for the paper feeder).

• Code: 2101
• Description: Developer motor error
  After developer motor is driven, the ready signal does not turn to L within 5 s. After developer motor is stabilized, the ready signal is at the H level for 5 s continuously.
• Causes: Developer unit. Developer motor. Engine PWB.
• Remedy: Developer unit 1. Check that the developer waste lock has been released and, if not, release the lock. 2. Check that the gears and spiral screw of the developer unit are not damaged. 3. Confirm that the developer roller can rotate. 4. If it won't rotate, replace the developer unit.
  Developer motor 1. To check the motor operation, execute DLP(K) by U030. 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Developer motor and Feed PWB 1 (YC8) Feed PWB 1 (YC2) and Engine PWB (YC5) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the Developer motor.
  Engine PWB. 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.

• Code: 2201
• Description: drum motor steady-state error
  After drum motor is stabilized, the ready signal is at the H level for 5 s continuously.
• Causes: Drum unit. Drum motor. Engine PWB
• Remedy: Drum unit 1. Confirm that the drum or the drum screw can rotate. 2. If it won’t rotate, replace the drum unit.
  Drum motor 1. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. drum motor and Feed PWB 1 (YC9) Feed PWB 1 (YC2) and Engine PWB (YC5) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the drum motor.
  Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.

• Code: 2211
• Description: Drum motor startup error
  Drum motor is not stabilized within 5 s since the motor is activated.
• Causes: Drum unit. Drum motor. Engine PWB.
• Remedy: Drum unit 1. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 2. Confirm that the drum or the drum screw can rotate. 3. If it won’t rotate, replace the drum unit.
  Drum motor 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. drum motor and Feed PWB 1 (YC9) Feed PWB 1 (YC2) and Engine PWB (YC5) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the drum motor.
  Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.

• Code: 2300
• Description: Fuser motor error
  After fuser motor is driven, the ready signal does not turn to L within 2 s. After fuser motor is stabilized, the ready signal is at the H level for 1 s continuously.
• Causes: Fuser motor. Engine PWB. Feed PWB 1. Fuser unit.
• Remedy: Fuser motor 1. To check the motor operation, execute U030 Fuser (Fuser motor). 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Fuser motor and Feed PWB 1(YC18) Feed PWB 1(YC1) and Engine PWB (YC6) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the fuser motor.
  Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.
  Feed PWB 1 Replace the Feed PWB 1.
  Fuser unit Replace the fuser unit.

• Code: 2500
• Description: Paper feed motor error
  After paper feed motor is driven, the ready signal does not turn to L within 2 s. After paper feed motor is stabilized, the ready signal is at the H level for 1 s continuously.
• Causes: Paper feed motor. Engine PWB.
• Remedy: Paper feed motor 1. To check the motor operation execute U030 Feed (paper feed motor). 2. Check the paper feed roller and drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Paper feed motor and Feed PWB 2(YC2) Feed PWB 2(YC1) and Engine PWB (YC4) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the paper feed motor.
  Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.