Vertical White Streaks Or Bands Appear - Kyocera ECOSYS P2235dn Service Manual

(1-6) Vertical white streaks or bands appear

Image sample
Trouble location
1 Drum unit
3 Developer unit
1. Charger roller dirt.
2. Drum unit scratch or dirt.
3. Cleaning blade is damaged or jammed by paper dust.
Check
Check if there is adhesion at the
main charger wire surface.
Check if the drum surface is
dirty.
Check if the drum surface is
scratched.
Check if the cleaning blade edge
is damaged.
Check if there is wear or paper
dust is pinched in. Check if
toner is accumulated at the
cleaning section.
Foreign objects adhere to the
developer roller surface.
Factor
Clean it if lines appear on the surface. Replace
the drum unit if it does not take the streak.
(see page 4-11)
Execute the drum refreshing. ([System Menu]
> [Adjustment/Maintenance])
Replace the drum unit. (see page 4-11)
1. Clean the developer roller surface.
2. Replace the developer unit if it is contami-
nated by foreign matter. (see page 4-10)
7-40
2RV/2RW/2RX/2RY/3RA-1
Measures