TallyGenicom T2265, Maintenance Manual

Page: 52 / 190

3.3.5
Printhead Sensor
Board
This Board is mounted inside the carriage. It contains connectors for fan (X1) and
AGA-Sensor connector (X2). X3 and X4 will take the printhead cables. X7 is provided
for the clock station. Details in chapter 7.25
3.3.6
Interlock Switch
This switch is necessary to prevent injuring the operator if the top flap is open.
In case of opening the top flap the driver voltage will be switched off.
This task is carried out by means of two hall sensors and a built in magnet. The
sensors are connected to X8 Pin 2 and 3 (Signals ISW) at the connector board.
3.3.7
Double Sensor
and Paper Motion
Sensor
This reflex sensor unit is competent for PE Front Insertion (Sensor V2) and Paper
Position (Sensor V1). The Signals are connected to X7 on the connector board.
For standard assembly only a 4-pin (1-4) connector is mounted.
3.3.8
Sensor
Sheetfeeder and
3rd Tractor
This reflex sensor (GP 2 S
0
7) is necessary for recognition of Sheetfeeder paper.
Details in chapter 7.31
This sensor is connected to X9 connector board.
3 2 1
AGA VCC GND
X2 3
4
2 1
VCC CHA_CWT GND CHB_CCWT
X7 2 1 X1
18 7
17 6 16 5 15 4 14 3 13 2 12 1 10 11 9
UN1 SHIFT1 SP
ARE2
UN9 UN3 UN10 SP
ARE1
UN1
1
UN5 UN12
X3 20 19 8
N17 N15 UN8 PTC2 N18 UN6 N16 PTC1 UN7 SHIFT2
18 7
17 6 16 5 15 4 14 3 13 2 12 1 10 11 9
N21 N8 N1
1
N10 N9 N7 N12 N5 N22
X4 20 19 8
N13 N19 N6 N3 N20 N1 N14 N23 N2 N24 N4
4
2
3
1
ISW2
GND
X8
VCC
ISW1
6
5
4
3
2
1
X7
RED
XPWS
XPSE2
XPSE1
YCC
GND
Frontsensor
Pa Double Sens
4
2
3
1
PSE4
DIO3
GND
X9
-Sheet Feeder
Electronic Functions Functional Description
3-3
2