Xerox Phaser 6250DT, Service Manual, Page: 147 / 467

3-66 Phaser 6250 Color Laser Printer Service Manual
Fuser Failure (cont’d)
Code 44
: Indicates a failure in the Fuser Lamp circuit.
Warning
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.