Oil Streaks In The Fd - Minolta CF910 Service Manual

<Troubleshooting Procedure>
Cause Step
Defective 11
Cleaning Unit
12
Defective 13
Transfer Film
Defective 14
Paper Take-
Up/Transport
Unit

(3) Oil Streaks in the FD

<Troubleshooting Procedure>
Cause Step
To determine which Fusing Roller is responsible for the oil streaks, manually feed two
sheets of paper, placed one on top of the other, through the Upper and Lower Fusing Roll-
ers.
Defective 1
Fusing Unit
2
3
4
5
6
Check Item
Are the Corona Wire and
Housing dirty or deteriorated?
Is the connector on HV1 con-
nected properly?
Is there a burr on the end of
the installing screw, etc.?
Is the Paper in the Drawer
damp?
Check Item
Is the Fusing Roller dirty or
deteriorated?
Is the Cleaning Roller dirty or
deteriorated?
Is the Oil Coating or Supply
Roller dirty or deteriorated?
Is fusing oil supplied?
Is the Oil Restriction Blade
deteriorated?
Is the Oil Collecting Blade
dirty?
T-58
Result
YES Clean or change the
Corona Wire and Housing.
("Gradation Adjust")
NO Reconnect the connector.
YES Use the kit to replace the
Transfer Film.
YES A. Check if the Dehumidi-
fying Heater is malfunc-
tioning.
B. Check if the Paper
Dehumidifying Switch is
on.
1144T006AA
Result
YES Clean or change the Roller.
YES Clean or change the Roller.
YES Clean or change the Roller.
NO Check the Fusing Motor
Drive. If there is no prob-
lem, change the Transmis-
sion Gear.
YES Change the Oil Restriction
Blade.
YES Clean the Oil Collecting
Blade.
Action
Action