Lexmark CS725R Service Manual

Background or gray background check
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Leading edge
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Action Yes No
Step 1
a From the home screen, touch Settings > Reports > Device >
Device Statistics.
b Check the status of the imaging unit if it was recently replaced.
Does the status show that the imaging unit was recently replaced?
Go to step 2. Go to step 3.
Step 2
Check if only one color is producing the background of the print
job.
Is only one color producing the background?
Go to step 3. Go to step 4.
Step 3
• If the
aected
color is cyan, magenta, or yellow, then replace
the developer unit of the aected color.
• If the aected color is black, then replace the imaging unit.
Does the problem remain?
Go to step 4. The problem is
solved.
Step 4
Replace the imaging kit.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
Reseat the HVPS cable on the HVPS and on the JHVPS1 connector
on the controller board.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
Check the contact pins connecting the HVPS to the transfer
module for damage.
Are the contact pins damaged?
Go to step 7. Go to step 8.
Step 7
Replace the HVPS. See
“HVPS removal” on page 319.
Does the problem remain?
Go to step 8. The problem is
solved.
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Diagnostic information
36

Lexmark CS725R Specifications

General

Brand	Lexmark
Model	CS725R
Category	Printer
Language	English