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3) Data signal input connector (Serial)
Printer side connector: JEC-25P (JST) equivalent
Host side connector: JEC-25S (JST) equivalent
Pin No.
Signal
1
GND
2
3
RXD
4
5
6
DSR
7
GND
20
DTR
8-19
21-25
4) Data signal input connector (USB)
Printer side connector: B-jack
Host side connector: B-plug
Pin No.
Signal
1
VBUS
2
3
4
GND
Shell
SHIELD
* Use shield wire for USB cable.
ALM signal (for operation panel) informs us of the printer status as stated below.
Pattern of display
‚ P
‚ O
‚ P
‚ O
0.2secc
‚ P
‚ O
0.2sec
‚ P
‚ O
2.2sec
1
0
Input/output
-
TXD
Output
Input
RTS
Output
CTS
Input
Input
-
Output
N.C
-
Input/output
Input
D-
In & output
D+
In & output
-
-
Printer status
Normal status
Print (reception) is possible
Out of paper
Head up status
F/W write mode
2.2sec
Head temp. high (over 80°C)
Head connection
Enclosure open
Function
Ground for signals
Serial transmit data
Serial receive data
Transmit demand signal
Transmit permit signal
Data transmit demand signal
Ground for signals
Data transmit permit signal
Function
Power-line
Data-line
Data-line
Power-line
Recovering
Paper replacement
Head down
Set power on again
Recovers w/head temp 60°C
Connect properly
Close
slide)
10
Remarks
Connects to #20
Connects to #4
Remarks
Non-twisted
power cable
Twisted pair
signal cable
Twisted pair
signal cable
Non-twisted
power cable
(Return
the
printer
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