Lexmark Pro5500 Series, Service Manual

Page: 71 / 277

Diagnostic information
2-28
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Scan skew
11 Replace the midframe cover. See “Midframe cover
removal” on page 4-50 .
Does the problem remain?
Go to step 12. Problem
resolved
12 Replace the flatbed scanner assembly. See “Flatbed
scanner assembly removal” on page 4-49 .
Does the problem remain?
Go to step 13 Problem
resolved
13 Replace the ADF assembly. See “ADF assembly
removal” on page 4-47 .
Does the problem remain?
Go to step 14. Problem
resolved
14 Replace the system board. See “System board
removal” on page 4-32 .
Does the problem remain?
Replace the
printer. Problem
resolved
Step Questions / actions Yes No
1 Turn off the printer by unplugging the power cord. Wait
for 10 seconds, and turn on the printer. Run the scan job
again.
Does the problem remain?
Go to step 2. Problem
resolved
2 Are you running the scan job from the ADF? Go to step 3. Go to step 8.
3 Check the scan setting. Set the paper settings according
to the type and size of the original document.
Does the problem remain?
Go to step 4. Problem
resolved
4 Check if the paper guides of the ADF input tray are
properly set. Move the paper guides to the center, and
check if the distance to the center is equal for both paper
guides.
Are the paper guides free from any damage?
Go to step 5. Go to step 11.
5 Check if the ADF pick assembly and separation pad are
not worn out and contaminated.
Are the ADF pick assembly and separation worn and
contaminated?
Go to step 12. Go to step 6.
6 Check if the ADF door is properly installed. Check if the
ADF paper path rollers are not contaminated.
Is the ADF door free from damage?
Go to step 7. Go to step 13.
7 Check for any obstruction on the paper path.
Is the paper path free from obstruction?
Go to step 11. Clear the
obstruction.
8 Check for any stain, dirt, or obstruction in the scan area
on the flatbed glass plate.
Check for any obstruction on the alignment edge of the
flatbed scanner.
Clean the glass with a piece of cloth. Clear the scan
area from any stain, dirt and obstruction.
Does the problem remain?
Go to step 9. Problem
resolved
Step Questions / actions Yes No