Minolta CF910 Service Manual page 443

<Troubleshooting Procedure>
Cause Step
Defective 25
Image Trans-
fer Corona
26
27
Defective 28
Paper Sepa-
rator/ Charge
29
Neutralizing
Unit
Defective 30
Static Charge
Unit
31
32
Defective 33
Paper Take-
Up/ Trans-
port Unit
Check Item
Is the Image Transfer Corona
dirty or deteriorated?
Is the HV3 output proper?
Is the backup adjustment value
proper?
Is the Charge Neutralizing
Corona dirty or deteriorated?
Is the HV2 output proper?
Is the Static Charge Corona
dirty or deteriorated?
Is Backup Blade 2 correctly
adjusted?
Is the Static Charge Roller
grounded properly?
Is the Humidity Sensor func-
tioning properly?
T-76
Result Action
YES Clean or change the Image
Transfer Corona.
NO Check the connections of
the connector on the Board,
and if it is proper, change
HV3.
NO Referring to
DIS/REASSEMBLY,
ADJUSTMENT, readjust.
YES Clean or change the
corona.
NO Check the connection of
the connector on the board,
and if it is proper, change
HV2.
YES Clean or change the
corona.
NO Referring to
DIS/REASSEMBLY,
ADJUSTMENT, readjust
Backup Blade 2.
NO Reground the roller.
NO Change the Humidity Sen-
sor.