Interconnect Card Assembly Nvram Crc Failure; Operator Panel Assembly Nvram Failure - Lexmark W840 Service Manual

4024-XXX
Step
3 Perform a print test.
Does the error still occur?
952.XX Interconnect card assembly NVRAM CRC 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 Perform a print test.
Does the error still occur?
4 Perform a print test.
Does the error still occur?
953.XX Operator panel assembly NVRAM failure
Step
1 Perform a POR.
Does the error occur when the power is turned off/on?
2-60
Printer Service Manual
Check
Check
Check
Yes
Replace the Problem solved.
printer engine card
assembly.
Go to "Printer
engine card
assembly
removal" on
page 4-120.
Yes
Go to step 2. Perform several
print tests.
If the problem
remains, go to
step 2.
Replace the Problem solved.
interconnect card
assembly.
Go to
"Interconnect
card assembly
removal" on
page 4-128.
Go to step 3.
Replace the RIP Problem solved.
card assembly.
Go to "RIP card
assembly
removal" on
page 4-127.
Replace the Problem solved.
printer engine card
assembly.
Go to "Printer
engine card
assembly
removal" on
page 4-120.
Yes
Go to step 2. Perform several
print tests.
If the problem
remains, go to
step 2.
No
No
No