Rear Thermistor Failure; Pressure Roll Thermistor Failure; Fuser Operating Temperature Failure - Lexmark X862de Service Manual

7500-432, -632, and -832

923.00 Rear thermistor failure

Step
1 Check the fuser unit assembly for proper installation.
Open the printer left door assembly, and check it.
Is the fuser unit assembly installed properly?
2 Check the fuser unit assembly connection.
Is the fuser unit assembly properly connected?
3 Perform a print test.
Does the error continue?

924.00 Pressure roll thermistor failure

Step
1 Check the fuser unit assembly for proper installation.
Open the printer left door assembly, and check it.
Is the fuser unit assembly installed properly?
2 Check the fuser unit assembly connection.
Is the fuser unit assembly properly connected?
3 Perform a print test.
Does the error continue?

925.00 Fuser operating temperature failure

Step
1 Check the fuser unit assembly for a media jam.
Open the printer left door assembly, and check it.
Is there a media jam in the fuser unit assembly?
2 Leave the printer powered on with the error code displayed
for 10 minutes, then perform a POR.
Does the error still occur?
2-160
MFP Service Manual
Check
Check
Check
Yes
Go to step 2. Install the fuser
unit assembly
properly.
Replace the fuser Replace the
unit assembly. connection.
Replace the Problem solved.
printer engine card
assembly.
Go to "Printer
engine card
assembly
removal" on
page 4-119.
Yes
Go to step 2. Install the fuser
unit assembly
properly.
Replace the fuser Replace the
unit assembly. connection.
Replace the Problem solved.
printer engine card
assembly.
Go to "Printer
engine card
assembly
removal" on
page 4-119.
Yes
Go to the step 2. Remove the
media.
Go to step 3. Problem solved.
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