• Code: E021-2002
• Description: Error in startup of the Cyan Developing Motor
• Causes: Revolution of the Developing Motor did not reach the specified value.
• Remedy: 1. Check the harness/connector between the Developing Motor and the Engine Controller PCB. 2. Replace the Developing Motor. 3. Replace the Driver PCB. 4. Replace the Engine Controller PCB.

• Code: E021-2003
• Description: Error in startup of the Black Developing Motor
• Causes: Revolution of the Developing Motor did not reach the specified value.
• Remedy: 1. Check the harness/connector between the Developing Motor and the Engine Controller PCB. 2. Replace the Developing Motor. 3. Replace the Driver PCB. 4. Replace the Engine Controller PCB.

• Code: E052-0000
• Description: Duplex Feed Unit absent error
• Causes: Connection of the Duplex Feed Unit was not correct.
• Remedy: 1. Reinstall the Duplex Feed Unit.

• Code: E066-0000
• Description: Environment Sensor error
• Causes: An error in the Environment Sensor was detected.
• Remedy: 1. Check the harness/connection of the Environment Sensor and the Engine Controller PCB. 2. Replace the Environment Sensor. 3. Replace the Engine Controller PCB.

• Code: E078-0000
• Description: Primary transfer disengagement mechanism error
• Causes: Primary transfer disengagement mechanism did not work properly.
• Remedy: 1. Check the harnesses/connectors connecting the Primary Transfer Disengagement Switch, the Primary Transfer Disengagement Solenoid and the Engine Controller PCB. 2. Replace the Primary Transfer Disengagement Switch. 3. Replace the Primary Transfer Disengagement Solenoid. 4. Replace the Engine Controller PCB.

• Code: E100-0000
• Description: Yellow scanner area failure
• Causes: Error in the Scanner Motor, Laser Unit, or BD detection in the yellow scanner area
• Remedy: 1. Check the harness/FFC/connector between the Laser Unit and the Engine Controller PCB. 2. Replace the FFC. 3. Replace the Laser Unit. 4. Replace the Engine Controller PCB.

• Code: E100-0001
• Description: Magenta scanner area failure
• Causes: Error in the Scanner Motor, Laser Unit, or BD detection in the magenta scanner area
• Remedy: 1. Check the harness/FFC/connector between the Laser Unit and the Engine Controller PCB. 2. Replace the FFC. 3. Replace the Laser Unit. 4. Replace the Engine Controller PCB.

• Code: E100-0002
• Description: Cyan scanner area failure
• Causes: Error in the Scanner Motor, Laser Unit, or BD detection in the cyan scanner area
• Remedy: 1. Check the harness/FFC/connector between the Laser Unit and the Engine Controller PCB. 2. Replace the FFC. 3. Replace the Laser Unit. 4. Replace the Engine Controller PCB.