6 - 5
Category
Controller errors Optional Software ROM
Check Error
An error was detected by optional
software ROM check.
Check the optional software ROM
board for proper connection or
replace it.
PC display status message Trouble or status Remedy
Optional RAM Check
Error
FAN Motor Error
Fuser Error
Thermistor Short Check
Error
A fault occured in the fusing unit.
(Thermistor short check error)
See 6.5.2-4.
SSIO Interface Error Power supply board SSIO I/F error Replace the power supply board or
the Main Control PCB.
A fault occured in the fusing unit.
(Timeout error, etc.)
See 6.5.2-4.
Thermistor Open Check
Error
A fault occured in the fusing unit.
(Thermistor open check error)
See 6.5.2-4.
A fault occured in the fan motor. – Check the fan motor for proper
connection and for any presence
of foreign matter in the fan.
(See 6.5.2-5.)
– Replace the fan motor or the
Main Control PCB.
An error was detected by optional
RAM check.
– Check the optional RAM board
for proper connection.
– Check the mounting position of
short plugs and additional RAM
chips. (See 7.4.)
– Replace the optional RAM board.
Table 6-1 (Cont'd)
