Oce 3121 Technical & Service Manual page 661

Inputs and outputs: Tray control PBA
Inputs to the Tray control PBA (1/4)
1
Lead cam
home position sensor
Bin unit
drive motor clock
sensor
Bin unit delivery
sensor
Stapler position
sensor
Guide bar
home position sensor
Tray drive
motor clock sensor
Tray drive
assembly inlet sensor
Tray A
delivery sensor
Tray B
delivery sensor
ed.1
PI1
PI2
PI3
PI4
PI5
PI6
PI7
PI8
PI9
Tray controller PCB
+5V
J8-6
When the lead cam makes a single rotation and
-4
reaches home position, '1'.
LCHP*
-5
(The light-blocking plate is not blocking PI1.)
+5V
J8-1
-2 Pulses according to the revolution of
BFMC
-3 the bin unit drive motor.
+5V
J9-3
-1
When copy paper is detected, '0'.
BPDY*
-2 (The light-blocking plate is not blocking PI3.)
+5V
J7-3
When the stapler unit is at stapling position or
-5
home position, '0'.
SPLPD*
-4
(The light-blocking plate is not blocking PI4.)
+5V
J4-5
When the guide bar is at home position, '1'.
-6
GBHP* (The light-blocking plate is blocking PI5.)
-7
+5V
J11-13
-11 Pulses according to the revolution of
TFMC
-12 the tray driving motor.
+5V
J11-7
-5
When paper is detected, '0'.
TFPD*
-6
(The light-blocking plate is blocking PI7.)
+5V
J11-10
-8
When paper is detected, '1'.
TAP
(The light-blocking plate is blocking PI8.)
-9
+5V
J11-16
-14
When paper is detected, '1'.
TBP
(The light-blocking plate is blocking PI9.)
-15
: Negative logic.
*
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