Kyocera Mita DF-75, Service Manual

Page: 28 / 199

2-4
CHAPTER 2 OUTLINE OF OPERATION
1.3.2 Inputs to the Finisher Controller PCB (2/2)
Folding home
position sensor
Stack feed roller
(upper) home
position sensor
Bind tray sensor
Staple/fold motor
clock sensor
Shift upper limit
sensor
Shift motor clock
sensor
Shift lower limit
sensor
PI17
PI16
PI15
PI14
PI13
PI12
PI11
CN40-3
-2
-1
CN16-4
Finisher controller PCB
When at folding home position, ‘0’.
+5 V
BIND_HP
+5 V
BIND_ROL_HP
+5 V
BIND_CLK
When the tray is at the
upper limit, ‘1’.
+5 V
SIFT_UPLMT
+5 V
SIFT_DNLMT
While the shift motor
is rotating, alternates
between ‘1’ and ‘0’.
+5 V
SIFT_CLK
+5 V
BIND_EMPS
-5
-6
-5
CN38-4
-6
-5
CN37-6
-4
-7
-8
-9
CN41-3
-2
-1
When the stack feed roller
(upper) is at home position, ‘1’.
CN47-3
-2
-1
CN15-1
-2
-3
When the sensor
detects paper, ‘1’.
Front door sensor
Upper cover sensor
PI23
PI22
When the front door
is open, ‘1’.
+5 V
FDOOR_S
When the upper cover
is open, ‘1’.
When the paper is
full, ‘1’.
+5 V
TOPCOV_S
CN9-6
-4
-5
CN52-1
-3
-2
When the staple/fold motor is
rotating, alternates between
‘1’ and ‘0’.
CN15-10
-11
-12
CN50-3
-2
-1
CN49-3
-2
-1
CN15-7
-8
-9
When the tray is at the
lower limit, ‘1’.
CN48-3
-2
-1
-5
-6
CN25-3
-2
-1
-8
-9
CN24-3
-2
-1
CN4-4
-5
-6
Full stack sensor
PI24
+5 V
PAPER_F
CN73-3
-2
-1
CN19-1
-2
-3
-7
-8
-9
-3
-2
-1
CN15-4
CN4-7
MS1
Joint switch
N. O.
+24 VP
When the front
door is closed, ‘1’.
MS2
MS3
Front door switch
Stapler safety
switch
N. O.
N. O.
JOINT SW
FRONT SW
STPLSAFE SW
CN69-2
-1
CN8-6
-5
CN8-4
-3
CN8-2
-1
CN68-2
-1
CN66-2
-1
When the swing
guide is closed, ‘1’.
When connected to
the host machine, ‘1’.
MS4
Stapler safety
switch(F)
N. O.
CN75-2
-1