Lexmark 4036-307 - Image Unclear; Large Jitter; Reading Position Deviation

Diagnostic information 2-15
4036-307, -308
Image unclear
Large jitter
Reading position deviation
Step Action and Question Yes No
1 Print a test page from the printer. Is the test
page image unclear?
See printer service
manual
Go to step 2
2
Are you placing the original on the flatbed? Go to step 2 Go to step 3
3
Is there dirt on the ADF mirror? Clean the mirrors with
isopropyl alcohol
Replace the ADF optical
unit
4
Is the flatbed glass dirty? Clean the mirrors with
isopropyl alcohol
Go to step 4
5
Is there dirt on the flatbed mirror? Clean the mirrors with
isopropyl alcohol
Replace the flatbed
CCD assembly
Step Action and Question Yes No
1 Are you placing the original on the flatbed? Go to step 2 Go to step 3
2
Inspect the carriage transport belt.
Is the belt damaged?
Replace the carriage
transport belt
Replace the flatbed
CCD assembly
3
Is the pick pad damaged? Replace pick pad Go to step 4
4
Is the pick roller damaged or worn? Replace paper feed
assembly
Replace the pick roller
assembly
Step Action and Question Yes No
1 Are you placing the original on the flatbed? Go to step 2 Go to step 3
2
Inspect the carriage transport belt.
Is the belt damaged?
Replace the carriage
transport belt
Replace the flatbed
CCD assembly
3
Is the pick pad damaged? Replace the pick pad Go to step 4
4
Is the pick roller damaged or worn? Replace the paper feed
assembly
Replace the pick roller
assembly