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5. Data signal input connecter (Parallel/Serial)
Printer side connecter: XG4C-2631 (Omron) equivalent
Corresponding housing: XG4M-2630-T (Omron) equivalent
Pin# Signal In/Output Interface Function Remarks
1 /STB Input Parallel Data read assign signal
2 PD0 Input Parallel Parallel print data 0
3 PD1 Input Parallel Parallel print data 1
4 PD2 Input Parallel Parallel print data 2
5 PD3 Input Parallel Parallel print data 3
6 PD4 Input Parallel Parallel print data 4
7 PD5 Input Parallel Parallel print data 5
8 PD6 Input Parallel Parallel print data 6
9 PD7 Input Parallel Parallel print data 7
10 /ACK Output Parallel Data processing end signal
11 BUSY Output Parallel Receive data not ready signal
12 PE Output Para/Ser. No paper signal
13 SLCT Output Parallel Connection select signal
14 Not fixed * For extension
15 /ERROR Output Para/Ser. Control stop signal
16 /INIT Input Para/Ser. Initialize signal
17 Not fixed * For extension
18,19 GND - Para/Ser. Ground for signal
20 /LF Input Para/Ser. Paper feed signal
21 TXD Output Serial Transmit data
22 RXD Input Serial Receive data
23 CTS Input Serial Transmit permit signal
24 DTR Output Serial Data transmit permit signal
25 GND - Para/Ser. Signal ground
26 VH Input Para/Ser. DC +24V
z Connect GND and DC+24V to stabilize circuit. Since 14 and 17 are kept as
“HIGH”, do not connect them.
6. CN6 Autocutter sensor (control switch), motor
Printer side connector : 5483-04AX (Molex)
Mating connector : 5480-04 (Molex)
Pin # Signals Input/output Functions
1 M+ Output Motor drive signal
2 M- Output Motor drive signal
3 CSW1 Input HP detect SW output
4 CSW2 - HP detect SW GND
7. CN7 Auxiliary sensor (paper near end sensor)
Printer side connector: 53047-0310(Molex)
Mating connector: 51021-0300(Molex)
Pin# Signal name In/Output Functions Remarks
1 LED+ Output Anode of LED
2 PNE Input Collector of
phototransistor
At High
Paper out
3 SG - Signal ground Cathode or emitter
connect
4 SG - Signal ground
* Valid when DIP SW S2-7 is on.
* When PNE signal is “High”, PE signal of CN5 outputs. Printing operation is not affected.