Vertical Banding And Other Unwanted Data (During Simplex Scan) - Lexmark Pro5500t Service Manual

4447-20x
Step
7 Insert a letter-size white clean paper in the ADF
input tray. Bring the printer up in Manufacturing
mode. From the home screen,
touch
ADF Scanner. Touch
Run a test print. From the home screen, touch
Does the problem remain?
8 Replace the ADF assembly. See
removal" on page
Does the problem remain?
9 Replace the midframe cover. See
cover removal" on page
Does the problem remain?
10 Replace the system board. See
removal" on page
Does the problem remain?

Vertical banding and other unwanted data (during simplex scan)

Before starting, check the media route for foreign objects, such as staples, clips, and scraps, in the media path.
Step
1 Turn off the printer by unplugging the power cord.
Wait for 10 seconds, and turn on the printer. Run
the scan/copy job again.
Does the problem remain?
2 Check for any stain, dirt, or obstruction in the scan
area on the ADF scan bar.
Check for any stain, dirt, or obstruction in the
flatbed scan area.
Clean the glass with a piece of cloth
Run the scan/copy job again.
Does the problem remain?
3 Isolate the problem. Run a test print on the printer.
From the home screen, touch
Reports > Demonstration Page.
Is there a problem on the print quality?
2-31
Service Manual
Check
> Manufacturing Test > Calibrate
to proceed.
> Print Reports > Demonstration Page.
"ADF assembly
4-47.
"Midframe
4-50.
"System board
4-32.
Check
Yes
Go to step 8.
Go to step 9.
Go to step 10.
Replace the
printer.
Yes
Go to step 2.
Go to step 3.
Check the
horizontal or
> Print
vertical prints
and other
unwanted print
marks during a
print job
service check.
See "Print
quality
check" on
page 2-13.
No
Problem resolved
Problem resolved
Problem resolved
Problem resolved
No
Problem resolved
Problem resolved
Go to step 4.
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