Sharp AR-FN8 Service Manual page 41

2. Inputs to the Finisher Controller PCB
PI10
Delivery motor
clock sensor
PI11
Tray 1 paper
sensor
PI12
Tray 2 paper
sensor
PI14
Buffer path paper
sensor
PI15
Joint sensor
PI16
Door open
sensor
PI17
Buffer path inlet
paper sensor
PI18
Swing guide
open sensor
PI9
Tray lift motor
clock sensor 1
PI19
Tray lift motor
clock sensor 2
Sensor PCB
CHAPTER 2 FINISHER UNIT BASIC OPERATION
J120-1 -9
-2 -8
-3 -7
J101-3 -1 -3 -1
-1 -3 -1 -3
-2 -2 -2 -2
J102-3 -1 -3 -4
-1 -3 -1 -6
-2 -2 -2 -5
J110-3
-1
-2
J117-3
-1
-2
J113-3
-1
-2
J105-3
-1
-2
J127-3 -1
-1 -3
-2 -2
J400-3
-1
-2
J400-6
-4
-5
Figure 2-104
Finisher controller PCB
-3 J9A-9 +5V
-4 -8
DELCLK
-5 -7
-6 J14-1 +5V
-4 -3
FSTTRAY*
-5 -2
-3 J14-4 +5V
-1 -6
SNDTRAY*
-2 -5
J24-4 +5V
-6
BUFPASS
-5
J12A-1 +5V
-3
JOINT
-2
J12B-1 +5V
-3
DROPN
-2
J24-1 +5V
-3
BUFENTR
-2
-3 J11-8 +5V
-1 -10
SWGOPN
-2 -9
J14-10 +5V
-12
SFTCLK1
-11
J14-7 +5V
-9
SFTCLK2
-8
While the delivery motor
is rotating, alternately
between "0" and "1".
When paper is present on
tray 1, "0".
When paper is present on
tray 2, "0".
When paper is in the
buffer path, "1".
When the finisher is joined
with the host machine, "1".
When the front door is
open, "0".
When paper is present at
the buffer path inlet, "1".
When the swing guide is
open, "1".
When the tray lift motor
is rotating, alternately
between "1" and "0".
When the tray lift motor
is rotating, alternately
between "1" and "0".
2-5