Gestetner G060 Service Manual page 501

SC No. Item
SC 380 Black
development
motor error
SC 381 Color
development
motor error
SC 385 ID sensor VSG
adjustment error
SM
Definition
• Defective motor
When the motor speed is
• Defective BCU
within the target level, the
motor sends a lock signal
(High to Low at CN214-5) to
the BCU.
SC380 is detected under the
following conditions:
• The Lock signal stays
High 2 seconds after the
motor turns on.
• The Lock signal stays
Low 2 seconds after the
motor turns off.
• The Lock signal stays
High for more than 2
seconds while the motor
is on.
• Defective ID sensor
Vsg is the out of adjustment
• Dirty ID sensor
range during a process
• ID sensor
control self-check.
• Dirty drum (cleaning
Adjustment range:
4.0 ± 0.5V
Related
Possible Cause
SCs
disconnected
incomplete)
4-19
Troubleshooting Procedure
1. Turn the main switch off and on.
2. Replace the motor.
3. Replace the BCU.
1. Turn the main switch off and on.
2. Clean the ID sensor and adjacent
parts.
3. Check the drum cleaning condition.
4. Check the ID sensor connector.
5. Replace the ID sensor.
SC TABLE
Type
B
B
G570