Oce 3121 Technical & Service Manual page 714

Q7
Micro-
processor
• The arrows indicate the flow of current.
Bin movement and combination of bin shift signals
Bin shift motor UP sig-
nal (BMUP)
0
1
0
564 TSM Océ 3121
Tray controller PCB
BHP*
Q43
24VA ZD12
Q53
B M D WN
ZD13
Q44
ZD8
24VA
Q39
B M UP
ZD11
Q42
Q41
SPLOPN*
5 V
Bin shift motor rotates CW
(bin moves up).
Bin shift motor rotates CCW
(bin moves down).
Bin shift motor DOWN
signal (BMDWN)
1
0
0
5V
24VPB
Q18
Q19
+24VPB
Q16
Q17
5V
B UL
24V
Q31
BMDWN: Bin unit DOWN signal
BMPU: Bin unit UP signal
BHP: Bin home position signal
BUL: Bin upper limit signal
SPLHP*: Stapler home position signal
SPLOPN*: Stapler cover open/closed signal
Functional description of the sorter
M S1
J16- 4
NC C
-3 Bin home position
sensor
J5- 3
M 1
-4
Bin shift motor
MS 2
J16- 2
C NC
Bin upper limit
-1
sensor
MS 5
J17- 1
NO C
Stapler assembly door
open/closed sensor
- 2
MS 4
C NO
Stapler home
position sensor
- 3
Operation
The bin shift motor
rotates CCW. The bin
unit moves down.
The bin shift motor
rotates CW. The bin unit
moves up.
The bin shift motor stops.
The bin unit stops.