Rip Card Assembly Processor Over Temperature Failure; Rip Card Assembly Cooling Fan Failure - Lexmark W850n Service Manual

956.01 RIP card assembly processor over temperature failure

Step
1 Perform a POR.
Does the error occur when the power is turned off/on?
2 Turn the printer off for 60 seconds.
Does the error occur when the power is turned off/on again?
3 Check the RIP card cooling fan and heatsink for installation
Is the RIP card cooling fan and heatsink installed correctly?
4 Perform a print test.
Does the error still occur?

956.02 RIP card assembly cooling fan failure

Step
1 Perform a POR.
Does the error occur when the power is turned off/on?
2 Turn the printer off for 60 seconds.
Does the error occur when the power is turned off/on again?
3 Check the RIP card assembly cooling fan and heatsink
attachment.
Is the above fan attached properly?
4 Perform a print test.
Does the error still occur?
Check
Check
Yes
Go to step 2. Perform several
print tests.
If the problem
remains, go to
step 2.
Go to step 3. Problem solved.
Replace the RIP Install the RIP
card assembly. card cooling fan
and heatsink
Go to "RIP card
correctly.
assembly
removal" on
page 4-126.
Go to step 4.
Replace the Problem solved.
printer engine card
assembly.
Go to "Printer
engine card
assembly
removal" on
page 4-119.
Yes
Go to step 2. Perform several
print tests.
If the problem
remains, go to
step 2.
Go to step 3. Problem solved.
Replace the RIP Reattach the RIP
card assembly. card assembly
cooling fan and
Go to "RIP card
heatsink.
assembly
removal" on
page 4-126.
Replace the Problem solved.
printer engine card
assembly.
Go to "Printer
engine card
assembly
removal" on
page 4-119.
Diagnostic information
4024-110
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