Oki 62427202 User Manual - Page 91

Quality, Problems

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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 SOLUTION 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. Vertical white streaking or faint areas on page. Vertical black lines. 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. Toner is low and does not distribute properly, or the drum is worn out. LED array is dirty. Hardware problem. 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. Replace toner cartridge. Check drum and replace the drum, if necessary. Contact service. Clean LED array. Contact service. B4400/B4600 User's Guide - Troubleshooting > 91

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B4400/B4600 User’s Guide – Troubleshooting > 91
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
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.
Page has
repetitive
marks.
Damaged image
drum cartridge
causes repetitive
marks every 1.6
inches (4.06 cm)
due to surface
nicks and
scratches.
Generate a cleaning page,
repetitive marks may be
temporary.
Oblong area of
faint print
appears on each
page.
Drop out caused by
using paper
exposed to high
humidity.
Change paper stocks, check paper
storage environment or use a
dehumidifier; check toner level.
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.