Description: Language file/boot ROM/USB memory error
Causes: Language file version error The language file version does not match Bootable.
Remedy: Download a language file of the correct version.
Code: E744-0004
Description: Language file/boot ROM/USB memory error
Causes: Language file read error Reading of language file is invalid.
Remedy: Download a language file of the correct version.
Code: E804-0000
Description: Error in power supply fan
Causes: The fan lock detection signal is input for about 10 sec or longer continuously. Cause Power supply fault, DC controller PCB fault.
Remedy: - Replace the power supply fan - Replace the DC controller PCB
Code: E805-0005
Description: Error in duplexing fan/CPU fan
Causes: The duplexing fan lock detection signal is input for about 10 sec or longer continuously. Cause Duplexing fan fault, DC controller PCB fault.
Remedy: - Replace the duplexing fan - Replace the DC controller PCB
Code: E840-0000
Description: Error in pressure release mechanism
Causes: Although passing 2.5 sec from the start of HP control, HP (pressure condition) cannot be controlled. Cause Fixing drive assembly fault, fixing pressure release cam fault.
Remedy: - Replace the fixing drive assembly - Replace the fixing pressure release cam