Lexmark CX310 Service Manual page 40

Actions
Step 2
Is the background only one of the primary colors; yellow, cyan, magenta,
or black?
Step 3
Replace the developer unit.
Did replacing the developer unit correct the problem?
Step 4
Replace the photoconductor unit.
Did this fix the problem?
Step 5
Check the high‑voltage contact from the HVPS to the image transfer unit
(ITU).
Is a problem found?
Step 6
With the printer off, reset the cable in the JHVPS1 connector.
Does this fix the problem?
Step 7
Replace the HVPS. See "High‑voltage power supply (HVPS) removal" on
page 263.
Does this fix the problem?
Step 8
Clean the printhead.
Does this fix the problem?
Yes
Go to step 3.
Problem is solved.
Problem is solved.
Replace the failing part:
•
•
Problem is solved.
Problem is solved.
Problem is solved.
Diagnostic information
40
No
Go to step 4.
Go to step 4.
Go to step 5.
Go to step 6.
Image transfer unit.
See "Imaging unit
(IU) removal" on
page 267.
High‑voltage
power supply
(HVPS). See
"High‑voltage
power supply
(HVPS) removal"
on page 263.
Go to step 7.
Go to step 8.
Replace the printhead.
See "Printhead
removal" on page
324.
7527