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20 July 2005
White/Black Spot
Recycled Product
• Light or dark black
dots show
periodically on the
image.
•
White spots show
periodically on the
image.
• Toner cartridge
appears to be in
poor condition.
• Dirty or rough
printouts.
•
Poor background in
the image.
1.
Toner cartridge rollers are contaminated
with unwanted particles if light or dark
black dots show periodically on the
image. In this condition do the OPC clean
mode print 4-5 times. Then check for
unwanted matter on the OPC surface.
Clean with isopropyl alcohol if necessary.
1) 38 mm interval: Charge roller
2) 95 mm interval: OPC cycle
2.
The OPC drum is damaged or unwanted
matter stays on the drum if white spots
show at 95 mm intervals in a black image,
or, if black spots show in areas where
they should not show. Do the following if
running the OPC clean mode print 4-5
times does not solve the problem.
1) 37.7 mm intervals: Replace the toner
cartridge.
2) 75.5 mm intervals: Clean the OPC
drum.
3.
The transfer rollers life has expired if a
black or white image is broken at irregular
intervals. In this condition replace the
transfer roller. Also, check the transfer
voltage and readjust it if necessary.
1.
The toner cartridge is recycled if the
following are true.
1) There is evidence that the toner
cartridge has been disassembled.
2) Materials that are not approved by the
manufacturer have been added or
substituted to the toner cartridge.
• Check the toner cartridge for the following.
Replace the toner cartridge if necessary.
1) Check the toner cartridge for damage.
2) Check the appearance of following
toner cartridge parts
• Frame, hopper screws.
2.
Check the following if the printouts are not
clear or rough.
1) Make sure the terminal contact points
are clean and the set is not damaged.
Clean the terminal points if the
problem stays.
The above problems can happen if the toner
cartridge is recycled 2 times or more.
4-27
TONER CARTRIDGE
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