Instruction manual

3–15Troubleshooting
(EXHAUST) (HMR BANK) (INTAKE) FAN FLT
Instruction Indication Yes No
1. Cycle power: Power off
printer. Wait 15 seconds.
Power on printer.
“_____ FAN FLT” message. Go to step 2. Return printer to
normal operation.
2. a) Power off the printer.
b) Remove the paper path.
c) Check that the fan cable
connector is connected. (See
Appendix A, Interconnect
Diagram.)
Fan cable is properly
connected.
Go to step 3. Connect the fan
cable connector.
3. Check for obstruction of
vents and fan airway.
Vents and airway are
unobstructed.
Go to step 4. Remove
obstructions.
Make sure cabinet
exhaust fan vents
are not blocked.
(Check for items
beneath the
printer blocking
cabinet vents.)
4. a) Power on the printer.
b) Check for rotation of fans
as printer powers up.
c) Power off the printer.
Fans are OK. Go to step 5. Replace defective
fan(s).
5. Power on the printer.
“_____ FAN FLT” message. Replace CMX
controller board.
Return printer to
normal operation.