Print Quality Problems - Oki B 410dn User Manual

> Remove any paper that you find (2), and then close the tray.
10. Close the top cover and press down to latch it closed.
11. The printer will warm up and commence printing when ready. The page lost through
the jam will normally be reprinted.
NOTE
If the edge of the jammed paper protrudes (or can be seen) from the exit,
reinstall the image drum, close the top cover and switch the printer on. Remove
the jammed paper from the exit when the exit roller begins rotating after a few
seconds after switching on. However, if the jammed paper cannot be removed,
contact a service representative.
P
RINT QUALITY PROBLEMS
Before consulting a service representative regarding a print quality problem, check the
table below to see if there is a solution, or something you might have overlooked.
SYMPTOM
Blank sheets printed.
Entire page prints
faintly.
Page has grey
background.
Page prints all black.
Page has repetitive
marks.
Oblong area of faint
print appears on
each page.
1
PROBLEM
Image drum cartridge
not properly installed.
Empty or missing toner
cartridge.
Empty toner cartridge.
Pages get fainter when
toner is used up.
LED array is dirty.
Static electricity,
generally from dry
environments, causes
toner to stick to
background.
Hardware problem.
Damaged image drum
cartridge causes
repetitive marks every
1.6 inches (4.06 cm)
due to surface nicks and
scratches.
Drop out caused by
using paper exposed to
high humidity.
Troubleshooting > 71
2
SOLUTION
Reinstall image drum cartridge.
Install new toner cartridge.
Install new toner cartridge.
Clean LED array.
Change paper to a smoother laser bond or
use a humidifier.
Contact service.
Generate a cleaning page, repetitive marks
may be temporary.
Change paper stocks, check paper storage
environment or use a dehumidifier; check
toner level.