Gestetner G060 Service Manual page 504

SC TABLE
SC No. Item
SC 461- Thermistor 2
001 error (open
circuit)
SC 461- Thermistor 2
002 error (short
circuit)
SC 471 Transfer belt
H.P. error
G570
Definition
• Thermistor 2
When the temperature
detected by the thermistor 2,
• Cable connection
which is at the right (paper
feed section) side of the
• BCU defect
laser optics unit, is less than
-30°C for 10 seconds
consecutively, the BCU
determines that the circuit is
opened and displays this SC
code.
• Thermistor 2
When the temperature
detected by the thermistor 2,
• Cable connection
which is at the right (paper
feed section) side of the
• BCU defect
laser optics unit, is higher
than 70°C for 10 seconds
consecutively, the BCU
determines that the circuit is
shorted and displays this SC
code
• Transfer belt unit not
The transfer belt HP sensor
signal does not change from
• Defective transfer belt
Low to High (home position)
or vice versa 1 second after
the transfer belt contact
motor turns on.
• Defective transfer belt
• Transfer belt unit
Related
Possible Cause
SCs
defective
error
defective
error
set properly
H.P. sensor and/or
transfer belt set
sensor
contact motor
problem
4-22
Troubleshooting Procedure
1. Turn the main switch off and on.
2. Check the cable connections.
3. Replace the thermistor.
4. Replace the BCU.
1. Turn the main switch off and on.
2. Check the cable connections.
3. Replace the thermistor.
4. Replace the BCU.
1. Turn the main switch off and on.
2. Reset the transfer belt unit.
3. Clean or replace the transfer belt H.P.
sensor and/or transfer belt set sensor.
4. Replace the transfer belt contact
motor.
5. Check the contact and release
mechanism of the transfer belt unit.
Type
B
B
B
SM