Oce 3121 Technical & Service Manual page 662

Inputs to the Tray control PBA (2/4)
Tray A paper detection
Tray B paper detection
Tray position detection
Bin home position
sensor
Bin upper limit sensor
Stapling home
position sensor
Staple absent sensor
Inputs to the Tray control PBA (3/4)
Joint sensor
Stapler assembly
cover open/closed
sensor
Stapler home position
sensor
Stapler safety sensor
512 TSM Océ 3121
PI10
PI11
PI12
NO C
MS1
NO C
MS2
NO
O
MS7
NO O
MS8
NO O
MS3
NO O
MS5
NO C
MS4
NO C
MS6
Tray controller PCB
+5V
J12-3
-1
When paper exists on special tray A, '1'.
TAPD
-2
(The light-blocking plate is blocking PI10.)
+5V
J12-6
-4
When paper exists on special tray B, '1'.
TBPD
-5
(The light-blocking plate is blocking PI11.)
+5V
J12-9
-7
When special tray A and special tray B is at the rear, '1'.
TRP
-8
(The light-blocking plate is blocking PI12.)
J16-4
BHP* When the bin unit is at home position, '0'.
(The bin position detecting plate is pushing MS1.)
-3
J16-2
BUL*
When the bin unit is at the upper limit, '0'.
(The bin position detecting plate is pushing MS2.)
-1
J7-8
SPLHP*
When stapling is at home position, '0'.
-7
-6
When staples run out, '0'.
SPEMP*
* : Negative logic.
Tray controller PCB
24V
J3-2
-3
TOP*
24V
J17-1
24V
J17-2
SPLOPN*
J17-3
SPUHP*
24V
J17-4
SPLSFT*
* : Negative logic.
Functional description of the sorter
If not connected to the copier, '0'.
When the stapler assembly cover
is open, '0'.
When the stapler unit is
at home position, '0'.
When the stapler safety sensor
is pushed, '0'.