Ricoh FT8680 Service Manual page 191

SERVICE PROGRAM MODE
8
SP Test Mode – 1 (PAGE 1 - 1)
Sensors
Turns on and off the 12-volt line of the dc drive board (CN302-2), which
applies power to the sensors, and checks sensor operation. The sensors
which are normally activated during the stand-by condition cannot be
checked because sensor output does not change.
Touch on the display. The copier automatically checks the sensors
START
and displays defective sensor code numbers (maximum 5 sensors).
Sensor Code Number
110 Paper Feed Sensor: 1st tray
111 Upper Limit Sensor: 1st tray
112 Lower Limit Sensor: 1st tray
113 Paper End Sensor: 1st tray
120 Paper Feed Sensor: 2nd tray
121 Upper Limit Sensor: 2nd Tray
122 Lower Limit Sensor: 2nd tray
123 Paper End Sensor: 2nd tray
130 Paper Feed Sensor: 3rd tray
131 Upper Limit Sensor: 3rd tray
132 Lower Limit Sensor: 3rd tray
133 Paper End Sensor: 3rd tray
150 Paper Feed Sensor: LCT
151 Upper Limit Sensor: LCT
152 Lower Limit Sensor: LCT
153 Paper End Sensor: LCT
160 Paper Feed Sensor: Duplex
165 Duplex Entrance Sensor
170 Paper Feed Sensor: By-pass Table
400 Fusing Sensor
500 Exit Sensor
800 Toner Cartridge Sensor
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1 July 1995