Lexmark Pro5500 Series, Service Manual

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2-93
Service Manual
4447-20x
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Unrecoverable scan error service check
5 Check the autoconnector of the printer. Let the
printer hang on one side, and check the
autoconnector at the bottom of the printer for any
damage.
Is the printer autoconnector free from any
damage?
Go to step 6. Replace the printer.
6 Check if the second tray connector cable on the
system board is properly connected and free from
any damage. Reseat the cable.
Is the cable properly connected?
Go to step 7. Reseat the cable.
7 Replace the second tray.
Does the problem remain?
Go to step 8. Problem resolved
8 Replace the system board. See “System board
removal” on page 4-32 .
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.
Resend the scan/copy job.
Does the problem remain?
Go to step 2. Problem resolved
2 Check if the scan bar will initialize and the LEDs will
light up during POST.
Does the scan bar initialize during POST?
Go to step 3. Go to step 6.
3 Check if the scan bar can find its base position.
Can the scan bar find its base position?
Go to step 4. Go to step 6.
4 Insert a letter-size white clean paper on the ADF
input tray. Bring the printer up in
Manufacturing
Mode . Go to Manufacturing Test > Calibrate ADF
Scanner . Touch to proceed with the
calibration.
Is the calibration successful?
Go to step 5. Replace the media
with clean paper, and
run the calibration
again.
5 Resend the scan/copy job.
Does the problem remain?
Go to step 6. Go to step 7.
Step Check Yes No