Ricoh Aficio MP C3001 Service Manual page 1391

6139 Bit
Tray Lower Sensor
6139 14
(Lower Tray Lower Limit Sensor)
Proof Full Sensor
6139 15
(Paper Limit Sensor)
SM Appendix
Description
3-411
Input and Output Check
Reading
0
Lower limit Not lower limit
Not full Full
1
D086/D087