Oce 3121 Technical & Service Manual page 660

Electrical circuit
The Multitray's electrical mechanisms are controlled by the tray controller
PCB equipped with a built-in microprocessor.
The relation between the electrical circuits and the major functions of the inte-
grated circuits.
Photosensors
¥
¥
¥Bin unit delivery sensor (PI3)
¥Stapler position sensor (PI4)
¥Guide bar home position sensor (PI5)
¥Tray drive motor clock sensor (PI6)
¥Tray drive assembly inlet sensor (PI7)
¥Tray A delivery sensor (PI8)
¥Tray B delivery sensor (PI9)
¥Tray A paper detection (PI10)
¥Tray B paper detection (P11)
¥Tray position sensor (PI12)
Switches
¥Bin lower limit sensor (MS1)
¥Bin upper limit sensor (MS2)
¥Joint sensor (MS3)
¥Stapler home position sensor (MS4)
¥Stapler assembly cover open/closed sensor (MS5)
¥Stapler safety sensor (MS6)
¥Stapling home position sensor (MS7)
¥Staple sensor (MS8)
Sensors
¥Bin paper sensor (PT1)
510 TSM Océ 3121
Tray M
controller
PCB
SL
Communication IC
DC
controller
PCB (copier)
Functional description of the sorter
Motors
¥Bin shift motor (M1)
¥Bin unit drive motor (M2)
¥Stapler motor (M3)
¥Guide bar swing motor (M4)
¥Stapler swing motor (M5)
¥Tray drive motor (M6)
¥Tray shifting motor (M7)
Solenoids
¥Paper deflecting plate drive solenoid (SL1)
¥Paper deflecting plate 2 drive solenoid (SL2)
¥Inlet roller roll left releasing solenoid (SL3)
Display
¥Staple Ready indicator (Staple key)
¥Paper on Tray indicator
*Multi-Output Tray 12-B2 only.