Spots (Using Flatbed Scanner) - Lexmark X940e Service Manual

7510-XXX

Spots (using flatbed scanner)

Leading edge Leading edge
Trailing edge Trailing edge
Step
1 Check the large platen glass on the scanner unit
assembly.
Is the large platen glass contaminated or damaged?
2 Check the three mirrors in the scanner unit assembly.
Are the three mirrors contaminated or show signs of
dust?
3 Check the white strip on the bottom of the large platen
glass.
Is the white strip contaminated?
4 Perform a print test using the flatbed scanner assembly.
Does the error continue?
5 Perform a print test using the flatbed scanner assembly.
Does the error continue?
2-224
MFP Service Manual
Check Yes
Clean or replace Go to step 2.
the large platen
glass.
Go to "Large
platen glass
removal" on
page 4-114.
Clean the three Go to step 3.
mirrors in the
scanner unit
assembly.
Clean the white Go to step 4.
strip and POR
the machine.
Replace the Problem solved.
CCD/lens
assembly.
Go to "CCD
card/lens
assembly
removal" on
page 4-116.
Replace the Problem solved.
scanner
controller card
assembly.
"Scanner
Go to
controller card
assembly
removal" on
page 4-120.
No