Oki B431dn B411 B431 User Guide - Eng - Page 128

Print quality problems

Page 128 highlights

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 PROBLEM Blank sheets printed. Image drum cartridge not properly installed. Empty or missing toner cartridge. Entire page prints faintly. Empty toner cartridge. Pages get fainter when toner is used up. LED array is dirty. Page has grey background. Static electricity, generally from dry environments, causes toner to stick to background. Page prints all Hardware problem. black. 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. 128 > B411/B431 Troubleshooting

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128
>
B411/B431 Troubleshooting
14.
The printer will warm up and commence printing when
ready. The page lost through the jam will normally be
reprinted.
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.
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.
SYMPTOM
PROBLEM
SOLUTION
Blank sheets
printed.
Image drum cartridge
not properly installed.
Reinstall image drum
cartridge.
Empty or missing toner
cartridge.
Install new toner
cartridge.
Entire page
prints faintly.
Empty toner cartridge.
Pages get fainter when
toner is used up.
Install new toner
cartridge.
LED array is dirty.
Clean LED array.
Page has grey
background.
Static electricity,
generally from dry
environments, causes
toner to stick to
background.
Change paper to a
smoother laser bond or
use a humidifier.
Page prints all
black.
Hardware problem.
Contact service.