Diagnostic information 2-135
5060-4xx
Low image density
Note: If all colors have a low image density problem set the Print Darkness to High from the user’s menu.
• If only one color has a problem, go to “Step A.”
• If all colors have a problem, go to “Step B.”
Step A
Step B
2
Print cartridge(s) - Enter the Diagnostics Mode.
Remove one print cartridge at a time and run a Test
Page to isolate the faulty print cartridge.
Have you isolated the failing print cartridge?
Replace the
“Cartridge
contact
assembly for the
failing color on
page 4-29.
Go to step 3
3
Reseat the ITU.
Do the marks/lines persist?
Go to step 4 Problem solved
4
Does the printer display an 83 ITU Maintenance
message?
Recommend the
customer order
the ITU
maintenance kit.
See “Scheduled
maintenance”
on page 6-4.
Replace the “ITU
assembly” on
page 4-44.
Step Action and questions Yes No
1 Print cartridge - Make sure the print cartridge is seated
correctly.
Is the print cartridge seated correctly?
Go to step 2 Install the print
cartridge
correctly and
recheck
2
The print cartridge may be out of toner. Try a new print
cartridge.
Does a new print cartridge fix the problem?
Problem solved Replace the
“Transfer HVPS
board” on
page 4-73
Step Action and questions Yes No
1 Make sure that color calibration has not been disabled
in the Diagnostics menus, especially if the printer has
been previously serviced.
Was color calibration disabled?
Set Color
Calibration on
Go to step 2
2
Toner density calibration - Run toner density calibration
from the Utility menu.
Does this fix the problem?
Problem solved Replace the
“Transfer HVPS
board” on
page 4-73
Step Action and questions Yes No
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