Lexmark CX930 User Manual page 365

Troubleshoot a problem
Action
Step 4
a
Remove the photoconductor units.
Warning—Potential Damage: Do not expose the
photoconductor units to direct light. Extended exposure to
light may cause print quality problems.
Warning—Potential Damage: Do not touch the
photoconductor drums. Doing so may affect the quality of
future print jobs.
b
Insert the photoconductor units.
c
Print the document.
Do vertical white lines appear on prints?
Repeating defects
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
Using the Maintenance Defect Ruler page, measure the
distance between the repeating defects on the affected color
page.
b
Replace the supply item that matches the measurement on the
affected color page.
Photoconductor unit
•
94.5 mm (3.72 in.)
•
38 mm (1.5 in.)
Developer unit
•
28.7 mm (1.13 in.)
c
Print the Print Quality Test Pages.
Do the defects appear?
Yes No
Contact customer The problem is
support. solved.
Yes No
Take note of the The problem is
distance, and then solved.
contact customer
support or your
service
representative.
365