ACTION YES NO
1  Remove the color imaging kit, 
then remove the black imaging 
unit.
WWaarrnniinngg—— 
PPootteennttiiaall DDaammaaggee:: 
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.
WWaarrnniinngg:: 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.
2  Insert the black imaging unit, 
then insert the color imaging kit.
3  Print the document.
Is the print density uneven?
Refer to Contacting Customer 
Support
The problem is solved.
Horizontal Dark Lines
•  Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > 
Troubleshooting > Print Quality Test Pages. For non-touch-screen printer models, press OK to navigate 
through the settings.
•  If horizontal dark lines keep appearing on the prints, then refer to Repeating defects topic.
314
Xerox
® 
C325 Color Multifunction Printer User Guide
Troubleshooting