Oki B410dn B410//B420/B430 User Guide (English) - Page 75

Symptom, Problem, Solution

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SYMPTOM PROBLEM SOLUTION Vertical white streaking or faint areas on page. Toner is low and does not distribute properly, or the drum is worn out. Replace toner cartridge. Check drum and replace the drum, if necessary. Contact service. LED array is dirty. Clean LED array. Vertical black lines. Hardware problem. Contact service. Fuzzy print. LED array is dirty. Clean LED array. Distorted print. Paper path, lamp assembly, or fusing unit problem. Generate cleaning page. Contact service. Faded print. Toner cartridge is not correctly installed. Toner low. Install toner cartridge correctly. Replace toner cartridge. Smeared or blotched print. Dirty rollers; toner dropped inside printer or image drum problem. Replace image drum and toner. Contact service. Printed page is light/ blurred. Is toner low? Is paper meant for laser printers? Replace toner cartridge. Use recommended paper. LED array is dirty. Clean LED array. Bold characters and dark lines are smeared. Toner is low. Install new toner cartridge. Print is darker than usual. Darkness setting is too high. Change darkness setting. Pages curl excessively. Printing on wrong side of paper. Turn paper over in tray. (Note arrow on paper package). Install paper print side down in tray. Moisture in paper. Improper storage. Avoid storing paper in areas of excessive temperature and humidity. Store paper in protective wrapping. High humidity. Recommended operating humidity: 2080%. Troubleshooting > 75

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Troubleshooting > 75
Vertical white
streaking or faint
areas on page.
Toner is low and does
not distribute properly,
or the drum is worn out.
Replace toner cartridge. Check drum and
replace the drum, if necessary. Contact
service.
LED array is dirty.
Clean LED array.
Vertical black lines.
Hardware problem.
Contact service.
Fuzzy print.
LED array is dirty.
Clean LED array.
Distorted print.
Paper path, lamp
assembly, or fusing unit
problem.
Generate cleaning page.
Contact service.
Faded print.
Toner cartridge is not
correctly installed.
Toner low.
Install toner cartridge correctly.
Replace toner cartridge.
Smeared or blotched
print.
Dirty rollers; toner
dropped inside printer or
image drum problem.
Replace image drum and toner.
Contact service.
Printed page is light/
blurred.
Is toner low?
Replace toner cartridge.
Is paper meant for laser
printers?
Use recommended paper.
LED array is dirty.
Clean LED array.
Bold characters and
dark lines are
smeared.
Toner is low.
Install new toner cartridge.
Print is darker than
usual.
Darkness setting is too
high.
Change darkness setting.
Pages curl
excessively.
Printing on wrong side
of paper.
Turn paper over in tray. (Note arrow on
paper package). Install paper print side
down in tray.
Moisture in paper.
Improper storage.
Avoid storing paper in areas of excessive
temperature and humidity. Store paper in
protective wrapping.
High humidity.
Recommended operating humidity: 20-
80%.
SYMPTOM
PROBLEM
SOLUTION