Oki B4600 B4400 4500 4550 4600 User Guide (English) - Page 96

Print quality problems, seconds after switching on. However, if the jammed paper - toner missing

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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 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 Empty toner Install new toner cartridge. faintly. cartridge. Pages get fainter when toner is used up. LED array is dirty. Clean LED array. Page has grey background. Static electricity, Change paper to a smoother laser generally from dry bond or use a humidifier. environments, causes toner to stick to background. Page prints all black. Hardware problem. Contact service. Page has Damaged image Generate a cleaning page, repetitive marks. drum cartridge repetitive marks may be causes repetitive temporary. marks every 1.6 inches (4.06 cm) due to surface nicks and scratches. 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. B4400/4500/4550/4600 User's Guide 96

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B4400/4500/4550/4600
User’s Guide
96
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
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.