Description: Card Reader communication error (serial communication)
Causes: Communication with the Card Reader could not be started at startup.
Remedy: 1. Check the connection of the Card Reader-F1, and turn OFF and then ON the main power switch. 2. Remove the Card Reader-F1. NOTE: After performing the remedy work above, go through the following to clear the error: COPIER> FUNCTION> CLEAR> E719-CLR.
Code: E733 0000
Description: Error in printer communication
Causes: Failure between DC controller PCB and controller PCB
Remedy: 1.Check connectors of DC controller PCB and main controller PCB 2.Replace DC controller PCBs 3.Replace main controller PCBs
Code: E736 0000
Description: Error in CCU communication
Causes: Error in CCU-modem communication
Remedy: 1.Update the set of main controller firmware 2.Replace FAX-NCU PCBs 3.Replace main controller PCBs
Code: E736 0001
Description: Error in ROM for backing up fax data
Causes: An error occurred in ROM for backing up fax data
Remedy: 1. Install the set of the controller firmware. 2. Replace the Main Controller PCB.
Code: E744 0001
Description: Error in language file/BootRom/USB memory
Causes: Error in language file version The version of language file does not match to Bootable
Remedy: Update the set of main controller firmware