Description: Drive lock detected by the Engine firmware
Causes: During the Engine steady state control, the main motor drive continued 60 minutes or more (except during the maintenance mode)
Remedy: 1 Resetting the main power The firmware in the Engine PWB does not operate normally Turn off the power switch and unplug the power plug. After 5s passes, reconnect the power plug and turn on the power switch. 2 Replacing the Engine PWB The Engine PWB is faulty. Replace the Engine PWB.
Code: C0510
Description: High-voltage remote control error
Causes: Only the high-voltage remote signal turns on while the drum is stopped
Remedy: 1 Resetting the main power The firmware in the Engine PWB does not operate normally Turn off the power switch and unplug the power plug. After 5s passes, reconnect the power plug and turn on the power switch. 2 Replacing the Engine PWB The Engine PWB is faulty. Replace the Engine PWB.
Code: C0520
Description: Developer control error
Causes: The developer bias off is detected during the main charge bias off
Remedy: 1 Resetting the main power The firmware in the Engine PWB does not operate normally Turn off the power switch and unplug the power plug. After 5s passes, reconnect the power plug and turn on the power switch. 2 Replacing the Engine PWB The Engine PWB is faulty. Replace the Engine PWB.
Code: C0530
Description: Backup task error
Causes: No operation 30s or more when monitoring the backup task operation
Remedy: 1 Resetting the main power The firmware in the Engine PWB does not operate normally Turn off the power switch and unplug the power plug. After 5s passes, reconnect the power plug and turn on the power switch. 2 Replacing the Engine PWB The Engine PWB is faulty. Replace the Engine PWB.
Code: C0540
Description: Engine firmware unexpected control detection
Causes: Eject switching solenoid turned on over the specified time
Remedy: 1 Resetting the main power The firmware in the Engine PWB does not operate normally Turn off the power switch and unplug the power plug. After 5s passes, reconnect the power plug and turn on the power switch. 2 Replacing the Engine PWB The Engine PWB is faulty. Replace the Engine PWB.
Code: C0800
Description: Image processing error
Causes: The print sequence jam (J010x) is detected 2 times continuously.
Remedy: 1 Checking the image data The image data is faulty. When this issue occurs only when handling the certain image data, check if the image data is faulty. 2 Checking the situation The printing operation of the certain file is faulty. Acquire the job's log if the phenomenon can be reproduced by specifying the job when the error was detected. 3 Checking the main PWB The connector or the FFC is not connected properly. Or, the wire, FFC, the PWB is faulty. Clean the terminal of the connectors on the main PWB, reconnect the connector of the wire, and reconnect the FFC terminal. If the wire or the FFC is faulty, repair or replace them. If not resolved, replace the main PWB.