Tire tracks
A
A
A
A
A
B
B
B
B
B
C
C
C
C
C
a
a
a
a
a
c
c
c
c
c
b
b
b
b
b
Possible cause Solution
1 The paper path is contaminated or damaged. 1 Perform the half self-test functional check. See
Half self-test. If the print drum is damaged,
replace the print cartridge.
2 Process a cleaning page. See
Cleaning the
fuser. If the problem persists, replace the fuser.
See
Fuser.
3 Check the tray 1 feed roller and the rollers in the
other trays. Clean or replace the rollers as
necessary.
4 Check for other sources of contamination or
damage in the paper path and clean or replace
parts as necessary.
This type of defect might also be a repetitive defect,
See
Repetitive defect ruler.
2 The print cartridge has passed its life expectancy. This defect typically occurs when the print cartridge
has far exceeded its rated life of 18,000 pages. For
example, if you are printing a very large quantity of
pages with very little toner coverage, toner might still
remain in the print cartridge even though you have
printed more than 18,000 pages.
Image-formation troubleshooting 383
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