Lexmark X850E - PPM Data Failure; Zero Cross Failure

2-152 MFP Service Manual
7500-XXX
908.00 PPM data failure
909.00 Zero cross failure
3 Check connector P419 on the printer engine card assembly.
Is connector P419 on the printer engine card assembly
properly connected?
Replace the
printer engine card
assembly.
Go to “Printer
engine card
assembly
removal” on
page 4-117.
Go to step 4.
Replace the
connection.
4 Perform a print test.
Does the error still occur?
Replace the RIP
card assembly.
Go to “RIP card
assembly
removal” on
page 4-128.
Problem solved.
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 Turn the printer off for 60 seconds.
Does the error occur when the power is turned off/on again?
Replace the
printer engine card
assembly.
Go to “Printer
engine card
assembly
removal” on
page 4-117.
Go to step 3.
Problem solved.
3 Perform a print test.
Does the error still occur?
Replace the RIP
card assembly.
Go to “RIP card
assembly
removal” on
page 4-128.
Problem solved.
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.
Step Check Yes No