Print Quality Service Checks - Lexmark X548 Series Service Manual

Step Questions / actions
Using the subnet address supplied by the
11
network admin, assign a unique IP address to
the printer.
Note: The printer IP address should match
the IP address on the printer driver.
Did this fix the problem?
Is the device physically connected
12
(ethernet cable) to the network?
Try using a different ethernet cable.
13
Did this remedy the situation?
Have the network administrator check the
14
network drop for activity.
Is the drop functioning properly?

Print quality service checks

Note: This symptom may require replacement of one or more CRUs (Customer Replaceable Units) designated
as supplies or maintenance items, which are the responsibility of the customer. With the customer's permission,
you may need to install a developer (toner) cartridge or photo conductor unit.
Service tip
Before troubleshooting any print quality problems, do the following:
Print a menu settings page, and check the life status of all supplies. Any supplies that are low should be
1.
replaced.
To print a Menu Settings page from the home screen, navigate to:
> Reports > Menu Settings Page
Note: Be sure and keep the original menu page to restore the customer's custom settings if needed.
On the menu page, make sure the following is set to the default level:
2.
Color Correction: Set to Auto.
•
Print Resolution: Set to 1200 dpi (print quality problems should be checked at different resolution
•
settings).
Toner Darkness: Set to 4 (default).
•
• Color Saver: Set to OFF.
RGB Brightness, RGB Contrast, RGB Saturation: Set to 0.
•
Color Balance: Select Reset Defaults to zero out all colors.
•
• Check the paper type, texture and weight settings against what is loaded in the printer.
Once the printer has been restored to its default levels, do the following:
1. Inspect the imaging unit for damage, including the developers and toner cartridges. Replace if damaged.
If paper other than 20lb plain letter/A4 paper is being used, load 20lb plain letter/A4.
2.
Print the Print Quality pages to see if the problem remains. Look for variations in the print from what is
3.
expected.
To print the quality pages:
a. Enter the Diagnostics Menu (Turn off the printer, press and hold 3 and 6, turn
on the printer, and release the buttons when the progress bar appears.)
b. Navigate to PRINT TESTS > Print Quality Pages.
c. Printing Quality Test Pages appears and the pages print.
Yes
Problem resolved.
Go to step 13.
Problem resolved
Replace the RIP board. See
"RIP board removal" on
page 4-19.
7525-63x
No
Go to step 12.
Go to step15.
Go to step 14.
Contact the network
administrator.
Diagnostic information
2-45
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