Текст страницы
<Drum unit cleaning method>:
• Take the toner cartridge out of the drum unit. Place a print sample in front of the drum unit to
locate image defects.
A mm
A mm
A mm
A mm
图 1
<Example of Image Defects>, A: Refer to < The Spacing of Various Rollers in the Image >Table
White specks with Amm length appear in all black pages.
Black specks with Amm length appear in all white pages.
Notice:
- Do not use pointed objects such as ballpoint pens to clean the surface of the roller.
- Clean with a half-mixed solution of ethanol and pure water.
User Check
(1) The problem could be disappeared after printing a few pages.
(2) Replace a new drum unit.
LS
■ A White Horizontal Line
Step
Cause
Solution
1
The ground spring of the Drum unit
defective.
Replace the drum unit.
2
Developing unit has been stored
for a long time.
The problem may be disappeared after printing a
few pages or try to clean the surface of the OPC
of the drum unit.
Confidential
31