4511-xxx
Diagnostics—E340 and E342n
2-65
Service error codes
Service error codes are generally non-recoverable except in an intermittent
condition when you can POR the printer to temporarily recover from the
error condition.
Service error codes (9xx)
Error Description Action
900 Service
RIP software
Server firmware problem. Contact the
next level of support.
902 General engine
software failure
An unrecoverable engine software error.
Reset the printer (POR). If the problem
continues, replace the controller card.
905 Interface violation by
the Paperport device
917 Transfer roll The likely cause is a faulty HVPS. It may
also indicate a problem in the transfer roll
area. Go to “Transfer roll service
check” on page 2-111.
920 Fuser error
Indicates that the fuser
is below temperature
when printing.
Go to “Fuser service check” on
page 2-87.
921 Fuser error
Indicates that the fuser
is below proper
temperature during
standby or idle time.
Go to “Fuser service check” on
page 2-87.
922 Fuser error
Fuser failed to reach
standby temperature.
Verify line voltage to the fuser. Go to
“Fuser service check” on page 2-87.
923 Fuser is too hot during
printing or when printer
is idle.
Go to “Fuser service check” on
page 2-87.
924 An open circuit has
been detected in the
fuser thermistor circuit.
Check cabling and connectors. Go to
“Fuser service check” on page 2-87 for
the thermistor.