Print Quality Problems - Oki B411d User Manual

14. 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.

Print 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.
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.
128 > B411/B431 Troubleshooting
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.