Fuser Failure (Cont'd) - Xerox 6250DT - Phaser Color Laser Printer Service Manual

Fuser Failure (cont'd)

Code 44: Indicates a failure in the Fuser Lamp circuit.
Troubleshooting Reference Table
Applicable Parts
Low-Voltage Power Supply, PL 12.1.10
Fuser Harness Assembly, PL 5.1.9
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 Procedure Table
Steps Actions and Questions
Check the Fuser Assembly for evidence
1
of fault or damage.
Remove the Fuser Assembly and check
2
for broken or bent pins.
Does the error recur after the Fuser
3
Assembly has been replaced with a new
one?
Replace the Low-Voltage Power Supply
4
page 8-99. Does the error recur after the
LVPS has been replaced?
Troubleshoot using the wiring diagram
5
"Fuser Assembly" on page 10-21.
Does the printer function correctly after
replacing any defective parts?
Verify the voltage of P/J61-4 on the Motor
6
Driver Board is 2.8 VDC.
Verify the voltage of P/J42-11 on the
7
Motor Driver Board is 2.8 VDC.
Verify the voltage of P/J12-20 on the
8
Engine Control Board is 2.8 VDC.
3-66
Wiring and Plug/Jack Map References
"Fuser Assembly" on page 10-21
Phaser 6250 Color Laser Printer Service Manual
Yes
Replace the parts
concerned.
Replace the parts
concerned.
Go to Step 4.
Go to Step 5.
Complete
Replace the
LVNC3 Harness
Assembly, PL
13.1.1.
Replace the Motor
Driver Board,
page 8-101.
Replace the
Engine Control
Board, page 8-107.
No
Go to Step 2.
Go to Step 3.
Complete
Complete
Go to Step 6.
Go to Step 7.
Go to Step 8.
Replace Front 1A
Harness
Assembly,
PL 13.1.7.