Description: Communication error with Wireless LAN PCB
Causes: Communication with the Wireless LAN PCB could not be established.
Remedy: 1. Turn OFF and then ON the main power. 2. Check the connection of the Wireless LAN PCB. 3. Install the set of the controller firmware. 4. Replace the Main Controller PCB.
Code: E744 7000
Description: Main Controller PCB error
Causes: An error in the microcomputer which retains fax job information of the Main Controller PCB
Remedy: 1. Install the firmware of BKUP. 2. Install the set of the controller firmware. 3. Replace the Main Controller PCB.
Code: E746 0000
Description: Main Controller PCB error
Causes: Main Controller communication error occurred (other than scan).
Remedy: 1. Install the set of the controller firmware. 2. Replace the Main Controller PCB.
Code: E766 8000
Description: Firmware error
Causes: Information at color displacement correction could not be obtained.
Remedy: 1. Install the DC Controller firmware. 2. Install the set of the controller firmware. 3. Replace the DC Controller PCB.
Code: E766 9000
Description: Scanner power state error (firmware-dependent)
Causes: Error in power state of the Laser Scanner Unit (firmware-dependent)
Remedy: 1. Install the set of the controller firmware. 2. Replace the Laser Scanner Unit.
Code: E766 xxxx
Description: Firmware error
Causes: An error in connection occurred due to controller software.
Remedy: Due to firmware error, the possibility of solving the error by replacing the Main Controller PCB is low. Check the installed engine again.