2-104
Confidential
■ Vertical streaks
Fig. 2-13
< User Check >
- Clean the corona wire of all four colors on the drum
unit.
- Return the cleaning tab of the corona wire to the
position.
- This symptom might stop occurring after making
several prints.
- Refer to the User’s guide and remove the dirt on the
exposure drum using a cotton swab.
- Replace the drum unit with a new one.
- Replace the toner cartridge with a new one.
- Wipe the scanner windows of the laser unit with a soft,
lint-free cloth.
Step Cause Remedy
1 Dirt in the paper feed system Wipe dirt off.
2 Installation failure of each FG
wire and/or FG plate
(Grounding is not performed
correctly.)
Retighten the screws of each FG wire and/or
FG plate. Repair the bend of the tray ground
spring of the paper tray.
(See the figure below.)
3 Dirt on the exposure drum Perform drum cleaning.
(Refer to “2.2 Drum Cleaning” in Chapter 5.)
4 Dirt on the cleaner pinch roller
of the fuser cover
Replace the cleaner pinch roller S ASSY.
5 Dirt on the fuser unit Replace the fuser unit.
6 Laser unit failure Replace the laser unit.
<Bottom of paper tray>
Paper tray
Tray ground spring
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General
Weight and Dimensions
