Horizontal Lines - Ricoh P C300W Field Service Manual

Horizontal Lines

Problem
Color streaks occur
horizontally at 27 mm
intervals.
Fine horizontal lines appear.
White streaks occur
horizontally at 27 mm
intervals.
Horizontal 27 mm
black lines intervals
occur at
regular
60
intervals mm intervals
76 mm
intervals
Horizontal 27 mm
white lines intervals
Cause
There is a problem with
the development roller.
There is a problem with
the image transfer unit.
There is a problem with
the development roller.
There is a problem with
the development roller.
Paper dust or other
contaminants are at the
contact point of the drive
roller, resulting in
insufficient bias for toner
transfer to paper at drive
roller pitch.
OPC drum may have
been accidentally
exposed to ambient light.
There is a problem with
the development roller.
6.Troubleshooting
Details
Can occur at the
beginning of machine
use or over time.
The problem presents
over time.
Can occur at the
beginning of machine
use or over time.
Can occur at the
beginning of machine
use or over time.
The problem presents
over time.
•
AIO was
replaced while
machine was
accidentally
exposed to
strong light.
•
Top cover was
left open,
exposing the
OPC drum to
strong overhead
light.
•
Can occur at the
beginning.
Can occur at the
beginning of machine
Solution
Replace the AIO.
Check the ITB or
replace the
image transfer
unit.
Replace the AIO.
Replace the AIO.
Clean below the
paper transfer
roller and
registration roller
to remove paper
dust.
Leave the AIO in
the machine and
wait for the
problem to
resolve itself.
Replace the AIO.
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