Lexmark CX730 User Manual page 265

Troubleshoot a problem
Note: Before solving the problem, print the Print Quality Test Pages. From the home screen, touch Settings >
Troubleshooting > Print Quality Test Pages.
Action
Step 1
a
Check if the printer is using a genuine and supported Lexmark
toner cartridge.
Note: If the cartridge is not supported, then install a
supported one.
b
Print the document.
Is the printer printing blank or white pages?
Step 2
a
Remove the color imaging kit, and then remove the black
imaging unit.
Warning—Potential Damage: Do not expose the color
imaging kit and black imaging unit to direct light for more
than 10 minutes. Extended exposure to light may cause print
quality problems.
Warning—Potential Damage: Do not touch the
photoconductor drum under the color imaging kit and black
imaging unit. Doing so may affect the quality of future print
jobs.
b
Insert the black imaging unit, and then insert the color imaging
kit.
c
Print the document.
Is the printer printing blank or white pages?
Dark print
Note: Before solving the problem, print the quality sample pages to determine the missing color. From the
home screen, touch Settings > Troubleshooting > Print Quality Test Pages.
Yes No
Go to step 2. The problem is
solved.
Contact customer The problem is
support. solved.
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