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Signal
Pin
Return
Pin Signal Direction Description
11 29 BUSY OUT A HIGH signal indicates the
printer can not receive data.
The signal goes HIGH in the
following cases:
1) During data entry
(for each character)
2) During initialization
3) During self test,
demonstration, and
default-setting printing
4) During a printer-error state
12 28 PE OUT A HIGH signal indicates the
printer is in a paper-out state
or in an error state.
13 28 SLCT OUT Pulled up to +5 V through
1 kΩ resistance
14 30
AUTO
FEED
XT
IN Not used
15 - NC - Not used
16 - GND - Logic ground level
17 - CHASSIS
GND
- Printer’s chassis ground,
which is connected to the
logic ground.
18 - Logic H OUT Pulled up to +5 V through
3.9 kΩ resistance
19-30 - GND - Twisted-pair return signal
ground level
31 30
INIT IN When this signal goes LOW,
the printer controller is reset
to its state when the power is
first turned on and the print
buffer is cleared. This level is
normally HIGH; its pulse width
must be more than 50 µs at
the receiving terminal.
C
R
Loire2 Ref. Guide
Rev.c
A5 size Appendix C
11-11-96 DR, pass 0
Specifications
C-15