Causes: Error in the Control Panel PCB (microcomputer).
Remedy: 1. Check the Control Panel PCB, and install the firmware (PANEL). 2. Install the set of the controller firmware. 3. Replace the Main Controller PCB.
Code: E744 6000
Description: Communication error with the Wireless LAN PCB
Causes: Unable to communicate with the Wireless LAN.
Remedy: 1. Turn OFF and then ON the main power. 2. Check the connection of the Wireless LAN. 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: Digital registration error
Causes: Information at digital registration could not be obtained.
Remedy: 1. Install the Engine Controller firmware. 2. Install the set of the controller firmware. 3. Replace the Engine Controller PCB.
Code: E766 9000
Description: Scanner power state error
Causes: An error was detected in power state of the Laser Scanner Unit.
Remedy: 1. Install the set of the controller firmware. 2. Replace the Laser Scanner Unit.