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