Chapter 7 Diagnosing Problems
330
EXHAUST FAN FLT
(Cabinet model only)
Yes Sensors cannot
detect current in
fan circuit.
Power off the printer and
remove the paper path
(see

Maintenance

Manual).

Check that the
fan cable connector is
connected. Check for
obstruction of vents and
fan airway, and remove
any obstructions. Check
for items beneath the
printer blocking cabinet
vents. Power back on the
printer. If this message
appears again, contact
your authorized service
representative.1
FIRMWARE
ERROR*
No Application
software tried to
perform an illegal
printer function or
damaged memory
detected on board.
Contact your authorized
service representative.1
FM HEADER
ERROR*
No Applications
software has
violated header
parameters.
Contact your system
administrator.
FRAMING ERROR Yes Serial framing error
(serial interface).
Check your printer serial
interface parameter
settings; if necessary,
adjust them so that they
match the settings of the
attached host.
Table 15. LCD Message Troubleshooting Table
Displayed Message Can User
Correct? Explanation Solution