Lexmark C935 - Fuser Cooling Fan Lock Error

2-100 Printer Service Manual
5057-XXX
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911.02 Fuser cooling fan lock error
918.00 Standard media exit shift error
Step Check Yes No
1 Perform a POR.
Does the error occur when the power is turned off/on?
Go to step 2. Perform several
print tests.
If the problem
remains, go to
step 2.
2
Check the fuser cooling fan for proper operation.
Caution: When performing motor tests,
ensure that all cover and door interlock
switches are overridden.
1. Enter the Diagnostics Menu.
2. Select MOTOR TESTS.
3. Select Fuser cooling fan.
Does the above component operate properly?
Go to step 4. Go to step 3.
3
Check the fuser cooling fan for proper connection.
Is the above component properly connected?
Replace the fuser
cooling fan.
Go to “Fuser
cooling fan
removal” on
page 4-102
Replace the
connection.
4
Perform a POR.
Does the error occur when the power is turned off/on?
Replace the lower
printer engine card
assembly.
Go to “Lower
printer engine
card assembly
removal” on
page 4-93.
Problem solved.
Step Check Yes No
1 Perform a POR.
Does the error occur when the power is turned off/on?
Replace the upper
printer engine card
assembly.
Go to “Upper
printer engine
card assembly
removal” on
page 4-90.
Problem solved.