Sc Table - Ricoh J-P3 Service Manual

20 February 2004

4.3 SC TABLE

For the Service Call Conditions and other SC codes, see Model J-P2 Service Manual.
SC No. Item
• The polygon mirror motor
SC 201 Polygon motor
error
• The lock signal does not
• The lock signal does not
SC 286 Rotation The controller receives
unusual encoder signals three
encoder error
times.
SC 370 TD sensor [K]: During the developer
Adjustment initialization, the output value
error of the TD sensor is without the
adjustment range (3.5 ± 0.1V).
SC 371 TD sensor [Y]:
Adjustment
error
SC 372 TD sensor [C]:
Adjustment
error
SC 373 TD sensor [M] :
Adjustment
error
Definition
• Polygon mirror motor
does not reach the targeted
operating speed within 10 • Abnormal GAVD
seconds after turning on.
• Cable disconnection
become high within 10
seconds after turning off the
polygon motor.
become low within 0.2
second after the polygon
motor reaches the targeted
operating speed.
• Defective transfer unit
• Defective encoder
• Poor connection (TD
• Defective TD sensor
Related
Possible Cause
SCs
error
behavior
sensor outputs is less
than 0.5V.)
4-5
Troubleshooting Procedure
1. Turn the main switch off and on.
2. Check the cables.
3. Replace the polygon motor.
1. Turn the main switch off and on.
2. Replace the rotation encoder.
3. Replace the transfer unit.
1. Turn the main switch off and on.
2. Reset the related color development
unit.
3. Replace the related color
development unit.
SC TABLE
Type