Lexmark XC4150 - Page 52

Action Yes No
Step 3
Check if the problem aects only one color.
Does the problem aect only one color?
Go to step 4. Go to step 5.
Step 4
• If the aected color is cyan, magenta, or yellow, then reseat the
developer unit of the aected color.
• If the aected color is black, then reseat the imaging unit.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 5
Reseat all the developer units in the imaging kit.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
Measure the interval between every defect.
Does the defect occur in 55-mm intervals?
Contact the next
level of support.
Go to step 7.
Step 7
Check the HVPS cable for proper connection and damage, and
replace if necessary.
Does the problem remain?
Go to step 8. The problem is
solved.
Step 8
Replace the HVPS. See
“HVPS removal” on page 373.
Does the problem remain?
Go to step 9. The problem is
solved.
Step 9
Replace the controller board. See
“Controller board removal” on
page 409.
Does the problem remain?
Go to step 10. The problem is
solved.
Step 10
Replace the printhead. See
“Printhead removal” on page 413.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
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Diagnostic information
52