Poor Color Registration; Transparency Print Quality Is Poor - Lexmark 13P0150 - C 750dtn Color Laser Printer Service Manual

Step B
Step Action and Questions
1
Check to make sure that Color Calibration has not been
disabled in the CE menus, especially if the printer has been
previously serviced.
Was Color Calibration disabled?
2
Toner Density Calibration - Run Toner Density Calibration
from the Utility menu.
Does this fix the problem?

Poor Color Registration

Step Action and Questions
1
Print Cartridge - Check to make sure that the print
cartridges are properly inserted and are seated properly in
there respective V Blocks.
Are the cartridges seated correctly?
2
Front Cover - Check the front cover to make sure that all the
springs and cartridge hold downs are present and correctly
installed.
Are all springs and cartridge hold downs present and
correctly installed?
3
ITU - Check to make sure that the ITU legs are properly
seated onto the rail at the right side of the machine. This is
visible by removing the Yellow Print Cartridge.
Is the ITU seated correctly?
4
Alignment - Enter the CE Diagnostic Mode. Perform the
"ITU Alignment" on page

Transparency print quality is poor

Step Action and Questions
1
Transparencies - Check the type or transparency being
used.
Is the transparency type being used recommended?
2-72
Service Manual
5060-XXX
3-19.
Yes No
Set Color Go to step 2
Calibration on
Problem Replace the
Solved "HVPS
Transfer
Board" on
page 4-12
Yes No
Go to Step 2 Install the
cartridge(s)
correctly.
Go to Step 3 Replace any
missing or
damaged
springs.
Replace any
missing or
broken hold
downs.
Go to Step 4 Reinstall the
ITU. If the
problem
continues,
replace the
"ITU
Assembly"
on page
Yes No
Go to Step 2 Inform the
customer
4-40.