ng
To avoid the potential of electric shock, ensure the power to the printer is off
and the power cord is disconnected from the wall outlet prior to performing
Step 2 of the following troubleshooting procedure..
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
Low-Voltage Power Supply, PL 12.1.10 “Fuser Assembly” on page 10-21
Fuser Harness Assembly, PL 5.1.9
Troubleshooting Procedure Table
Steps Actions and Questions Yes No
1
Check the Fuser Assembly for evidence
of fault or damage.
Replace the parts
concerned.
Go to Step 2.
2
Remove the Fuser Assembly and check
for broken or bent pins.
Replace the parts
concerned.
Go to Step 3.
3
Does the error recur after the Fuser
Assembly has been replaced with a new
one?
Go to Step 4. Complete
4
Replace the Low-Voltage Power Supply
page 8-99. Does the error recur after the
LVPS has been replaced?
Go to Step 5. Complete
5
Troubleshoot using the wiring diagram
“Fuser Assembly” on page 10-21.
Does the printer function correctly after
replacing any defective parts?
Complete Go to Step 6.
6
Verify the voltage of P/J61-4 on the Motor
Driver Board is 2.8 VDC.
Replace the
LVNC3 Harness
Assembly, PL
13.1.1.
Go to Step 7.
7
Verify the voltage of P/J42-11 on the
Motor Driver Board is 2.8 VDC.
Replace the Motor
Driver Board,
page 8-101.
Go to Step 8.
8
Verify the voltage of P/J12-20 on the
Engine Control Board is 2.8 VDC.
Replace the
Engine Control
Board, page 8-107.
Replace Front 1A
Harness
Assembly,
PL 13.1.7.