Lexmark CS720 - Vertical White Lines Check

Action Yes No
Step 5
Check the printer for toner leaks.
Are there toner leaks?
Go to step 6. Go to step 7.
Step 6
a Clean the printer thoroughly using a toner vacuum.
b Perform a print job to clear the remaining toner from the
imaging components.
Does the problem remain?
Go to step 7. The problem is
solved.
Step 7
• 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 8. The problem is
solved.
Step 8
Check if the aected color is black.
Is the aected color black?
Go to step 10. Go to step 9.
Step 9
Replace the photoconductor unit.
Does the problem remain?
Go to step 10. The problem is
solved.
Step 10
Check the transfer module for proper installation and damage, and
replace if necessary. See
“Transfer module removal” on
page 334.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Vertical white lines check
Leading edge
Trailing edge
5028
Diagnostic information
44