Vertical Streaks Or Bands - Kyocera ECOSYS P2235dw Service Manual

(1-4) Vertical streaks or bands

Step Check description
1 Changing the settings
2 Cleaning the FD guide
3 Cleaning the separation
needle
4 Checking the transfer roller The transfer roller is dirty,
(1-5) Center of the original and output image is inconsistent
Step Check description
1 Re-setting the guide
2 Executing U034
(1-6) Irregular error in the leading edge between original and output image (variation
in the paper leading edge timing)
Step Check description
1 Executing U034
2 Checking the feed clutch
and registration clutch
Assumed cause
The media type is not
properly set.
The FD guide is dirty with
toner or toner adheres to it.
The separation needles
are dirty with paper dust or
toner.
deformed or worn down.
Assumed cause
The guide is not aligned to
the paper size.
The center line is not
adjusted properly.
Assumed cause
The leading edge timing is
not properly adjusted.
The feed clutch and regis-
tration clutch operation is
faulty.
7-6
2RV/2RW/2RX/2RY/3RA-3
Measures
Select the proper media type
in the system menu.
Clean the FD guide.
Clean the separation needle
at the transfer/separation
section with a cleaning blush.
Clean the transfer roller if the
image failure appears in the
circumference interval. If not
repaired, replace the transfer
roller.
Measures
Align the paper width guide,
paper guide (MP tray) or PF
paper width guide (paper
feeder) to the paper size and
re-load paper.
Adjust the center line in U034
[LSU Out Left].
Measures
Adjust the leading edge tim-
ing at U034 [LSU Out Top].
Reattach the feed clutch and
registration clutch and recon-
nect the connectors. If not
repaired replace them.
Reference
Reference
Reference