Vertical Lines (Process Direction Using The Adf); Spots (Using Flatbed Scanner) - Lexmark X925 Service Manual

7541-03x

Vertical lines (process direction using the ADF)

Step
1 Check the small platen glass on the scanner unit
assembly.
Is the large and small 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 scanner unit assembly.
Does the error continue?
5
Perform a print test using the ADF unit assembly.
Does the error continue?

Spots (using flatbed scanner)

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?
2-12
Service Manual
Check
Check
Yes
Clean or replace Go to step 2.
the scanner
platen glass
cover.
Go to "Flatbed
upper cover"
on page 4-161.
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.
scanner unit
assembly.
Go to "Flatbed
assembly
removal" on
page 4-116.
Replace the ICC Problem solved.
board.
Go to "ICC
board" on
page 4-123.
Yes
Clean or replace Go to step 2.
the scanner
platen glass
cover.
Go to "Flatbed
upper cover"
on page 4-161.
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.
No
No