Vertical Lines (Process Direction Using The Adf) - Lexmark X651de Service Manual

Vertical lines (process direction using the ADF)

Leading edge Leading edge
Trailing edge Trailing edge
Step
Check the small platen glass on the scanner unit
1
assembly.
Is the large and small platen glass contaminated or
damaged?
Check the three mirrors in the scanner unit assembly.
2
Are the three mirrors contaminated or show signs of
dust?
Check the white strip on the bottom of the large platen
3
glass.
Is the white strip contaminated?
Perform a print test using the scanner unit assembly.
4
Does the error continue?
Check Yes No
Clean or replace Go to step 2.
the scanner
platen glass
cover.
Go to
"Scanner
platen glass
cover
assembly
removal (model
X658)" on
page 4-136.
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
scanner unit resolved.
assembly.
Go to
"Scanner
unit assembly
removal
(models X651,
X652, X654 and
X656)" on
page 4-89.
Diagnostic information
7462
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