Ricoh Pro 8300S - Sc361-01; TD Sensor Output Error: Upper Limit (K)

1.SC Codes
64
Major Cause
 TD sensor (SEN1) is not connected properly.
 Old developer is used.
 TD sensor (SEN1) is defective.
 TD sensor (SEN1) harness is damaged.
 Development unit is defective.
Solution
1. Check whether the TD sensor (SEN1) is properly connected.
Inspect and reconnect the TD sensor (SEN1) connector.
2. Check the developer.
Check whether the developer is new.
If not, remove the developer, and then set the developer again.
Clear the PM Counter. When the machine's front cover is closed, developer initialization will begin
automatically.
3. Replace the following parts (they are listed in order of priority):
1. TD sensor (SEN1)
2. TD sensor (SEN1) harness (if it is damaged)
3. Development unit
SC361-01
Error Name
TD Sensor Output Error: Upper Limit (K)
Pattern
D
Error Condition
This error is detected when the TD sensor (SEN1) detects that the toner density is extremely low.
This can happen when:
 Toner cannot be supplied from the toner bottle.
 Toner cannot be supplied from the sub-hopper.
 Toner density is detected falsely.
Major Cause
 TD sensor (SEN1) is not connected properly.
 Old developer is used.
 TD sensor (SEN1) is defective.
 TD sensor (SEN1) harness is damaged.