Canon Booklet Trimmer-A1 Service Manual page 50

CHAPTER 2 BASIC OPERATIONS
2. Signals
a. Input Signals
(1) PS101-SIG (PS101 → trimmer driver PCB → trimmer DC controller PCB);
it is a booklet feeding detection signal of the entrance to the feeding assembly.
L: booklet present
H: booklet absent
(2) PS103_SIG (PS103 → trimmer driver PCB → trimmer DC controller PCB);
it is a home position detection signal for the stopper in feeding direction.
L: at HP
H: not at HP
(3) PS104_SIG (PS104 → trimmer driver PCB → trimmer DC controller PCB);
it is a stopper upright position detection signal.
L: up right
H: not up right
(4) PS105_SIG (PS105 → trimmer driver PCB → trimmer DC controller PCB);
it is a press assembly home position detection signal.
L: at HP
H: not at HP
(5) DRV (trimmer DC controller PCB → trimmer driver PCB → M105);
it is a drive signal for M105.
L: M105 ON
H: M105 OFF
(6) M103-_A, A (trimmer DC controller PCB → trimmer driver PCB → M103);
it is a phase A control signal for M103.
(7) M103_B, B (trimmer DC controller PCB → trimmer driver PCB → M103);
it is a phase B control signal for M103.
(8) M104_CONT (trimmer DC controller PCB → trimmer driver PCB → M104);
it is an ON/OFF control signal for M104.
L: M104 ON
H: M104 OFF
b. Output Signals
(1) DRV A, A (trimmer DC controller PCB → trimmer driver PCB → M103); it is a phase
A drive signal for M103.
(2) DRV B, B (trimmer DC controller PCB → trimmer driver PCB → M103); it is a phase
B drive signal for M103.
(3) DRV (trimmer DC controller PCB → trimmer driver PCB → M104); it is a drive signal
for M104.
L: M04 ON
H: M104 OFF
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COPYRIGHT© 2002 CANON INC. 2000 CANON BOOKLET TRIMMER-A1 REV.0 FEB. 2002