Description: Error in language file/BootRom/USB memory
Causes: Error in language file size Language file exceeds allowable size
Remedy: Update the set of main controller firmware
Code: E744 1001
Description: Error in language file/BootRom/USB memory
Causes: Versions of Bootable and BootRom do not match
Remedy: Update the set of main controller firmware
Code: E744 4000
Description: Error in language file/BootRom/USB memory
Causes: Error in engine ID Detected illegal engine connection
Remedy: 1.Check DC controller 2.Update DC controller firmware 3.Update the set of main controller firmware
Code: E744 5000
Description: Error in language file/BootRom/USB memory
Causes: Error in panel microcomputer
Remedy: 1.Check panel microcomputer to upgrade the version 2.Update the set of main controller firmware 3.Replace main controller PCBs
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.