Print Quality Background Service Check - Lexmark CX310n Service Manual

Print quality background service check

Step 1
Read the current status of the imaging unit from the customer menus.
To view the status of the photoconductor units:
a
In Ready mode, press Menus
b
Select Reports, and press Select
c
Select Device Statistics, and press Select
It is possible a new imaging unit was installed, but the counter was not
reset.
Has the imaging unit been recently replaced?
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?
Check
Diagnostic information
30
Yes
Reset the value. To Go to step 2.
reset this value:
1
In Ready mode,
press Menus
2
Select Supplies
Menu, and press
Select
3
Select Replace
Supply, and press
Select
4
Select the imaging
unit you want to
change, and press
Select
5
Select Yes, and
press Select
If this does not fix the
problem, then go to
step 2.
Go to step 3. Go to step 4.
Problem resolved. Go to step 4.
Problem resolved. Go to step 5.
Replace the failing part: Go to step 6.
• Image transfer unit.
See Image transfer
unit removal.
•
High‑voltage
power supply
(HVPS). See
High‑voltage
power supply
(HVPS) removal.
Problem resolved. Go to step 7.
7527
No