Ricoh A028 Service Training Manual page 22

Cartridge set switch
Right upper
door switch
Separation sensor
Front door switch
Front door sensor
Main switch
Magnification sensor
Flash safety switch
OPC sensor
Right shield HP sensor
Left shield HP sensor
Sector sensor
Cartridge shutter switch
Toner density sensor
Copy tray switch
SADF size sensor
Fusing exit sensor
Lower duplex feed sensor board
Upper duplex feed sensor board
ID sensor
Upper limit sensor
Tray lowering switch
Toner near end sensor
Lower limit sensor
Copy tray sensor
Duplex entrance junction sensor
Eject tray sensor
Cleaning coil sensor
Duplex exit sensor
Upper duplex end sensor
Lower duplex end sensor
Eject junction sensor
Right upper door sensor
Jogger HP sensor
Back fence HP sensor
1st tray paper end sensor
Paper volume sensor
DC drive board for Paper tray
Paper width sensor board
Paper length sensor
Paper set sensor