Over Heat Temperature Failure; Center Thermistor Failure - Lexmark X862de Service Manual

Step
6 Perform a print test.
Does the error continue?

921.00 Over heat temperature 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 for proper connection.
3 Check the connection between the LVPS card assembly
P525 and the printer engine card assembly P401.
Are the cards connected properly?
4 Perform a print test.
Does the error continue?

922.00 Center 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?
Check
Check
Check
7500-432, -632, and -832
Yes
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.
Go to step 3. Replace the
connection.
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.
Diagnostic information
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