Troubleshooting - Ricoh B051 Service Manual

Tech Service Bulletin No. B051/B052 – 014

TROUBLESHOOTING

Please use the following flowchart to take action in response to the six image problems on pages 2 and 3.
Replace the fusing belt
assembly or pressure roller.
Sample 6
N
Does the image problem
Replace the oil supply unit.
END
Print the test pattern (SP5-955, No.8) for each
Y
Is there a scratch
Y
on the fusing belt or
pressure roller?
N
Clean the dust shield glass in the laser
Clean the oil supply unit
still occur?
Y
CÓPIA NÃO CONTROLADA
color
N
Do any of the
problems occur?
Y
N
Does the image problem
occur on all colors?
Y
Does the black line
appear with all colors?
N
and charge units (wire and grid).
Y
Does the image problem
still occur?
N
END
CÓPIA NÃO CONTROLADA
Clean the following scanner unit parts:
- DF exposure glass
- Mirrors
- White plate under the left scale
Go to the
Replace the charge
next
unit
page
Y
Is there any change
in the image (position,
density, etc)?
N
Check the line position on the image and on
the OPC belt /image transfer belt (ITB).
Y
Does the line position on
the image match the
position on the OPC or
ITB?
Sample 2
Clean the inside of the laser unit
Replace the PCU
Sample 1
N
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