Lexmark Pro5500 Series, Service Manual

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181.768—Flag detection failure (MPV home move) service check
181.769—Prime pump DC motor stalled service check
9 Replace the print engine assembly. See “Print
engine assembly removal” on page 4-84 .
Does the problem remain?
Replace the
printer. Problem resolved
Step Check Yes No
1 Turn off the printer by unplugging the power cord.
Wait for 10 seconds, and turn on the printer. Run a
test print. From the home screen,
touch
> Print Reports > Demonstration
Page .
Does the problem remain?
Go to step 2. Problem resolved
2 Check the J32 and J19 connectors on the system
board for proper connection. Reseat the J32 and
J19 cables; and check for any damage.
Are the cables properly connected and free
from any damage?
Go to step 3. Go to step 5.
3 Check if the MPV initializes during POST.
Does the MPV initialize during POST?
Go to step 4. Go to step 5.
4 Replace the system board. See “System board
removal” on page 4-32 .
Does the problem remain?
Go to step 5. Problem resolved
5 Replace the print engine assembly. See “Print
engine assembly removal” on page 4-84 .
Does the problem remain?
Replace the
printer. Problem resolved
Step Check Yes No
1 Turn off the printer by unplugging the power cord.
Wait for 10 seconds, and turn on the printer. Run a
test print. From the home screen,
touch
> Print Reports > Demonstration
Page .
Does the problem remain?
Go to step 2. Problem resolved
Step Check Yes No