Fuser Failure - Xerox phaser 6250 Service Manual

Fuser Failure

Code 40: The temperature sensor sensed an overheat condition.
Code 41: The temperature sensor sensed a low temperature condition.
Code 42: Temperature sensor not providing an output.
Code 43: Warm up failure, the temperature sensor does not detect the correct
temperature within 60.4 seconds after the fuser lamp has been turned on.
Troubleshooting Reference Table
Applicable Parts
Low-Voltage Power Supply, PL 12.1.10
FSR 2 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
1
Ensure the correct Fuser (110v/220v) is
installed in the printer, verify against the
label on the Fuser Assembly.
Check the Fuser Assembly for evidence
of fault or damage.
2 Remove the Fuser Assembly and check
for broken or bent pins.
3 Does the error recur after the Fuser
Assembly has been replaced with a new
one?
4 Replace the Low-Voltage Power Supply,
page 8-99. Does the error recur after the
LVPS has been replaced?
5
Check the Fuser Harness for continuity.
See the wiring diagram"Fuser Assembly"
on page 10-21.
6
Check the Front 1A Harness for
continuity.
See the wiring diagram"Fuser Assembly"
on page 10-21.
Error Messages and Codes
Wiring and Plug/Jack Map References
"Fuser Assembly" on page 10-21
Yes
Replace the parts
concerned.
Replace the parts
concerned.
Go to Step 4.
Go to Step 5.
Go to Step 6.
Replace the
Engine Control
Board, page 8-107.
manuals4you.com manuals4you.com
No
Go to Step 2.
Go to Step 3.
Complete
Complete
Replace the Fuser
Harness,
FSR 2 PL 5.1.9.
Replace Front 1A
Harness
Assembly,
PL 13.1.7.
3-65