Lexmark CX730 User Manual page 278

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
1
Depending on your operating system, specify the
paper type from the Printing Preferences or Print
dialog.
Notes:
•
Make sure that the setting matches the paper
loaded.
•
You can also change the setting on the printer
control panel. From the home screen, touch
Settings > Paper > Tray Configuration > Paper
Size/Type.
2
Print the document.
Does the toner rub off?
Uneven print density
Note: Before solving the problem, print the Print Quality Test Pages. From the home screen, touch Settings >
Troubleshooting > Print Quality Test Pages.
Action
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 print density uneven?
Yes
Contact customer
support.
Yes
Contact customer
support.
278
No
The problem is solved.
No
The problem is
solved.