Specifications

Signal
pin
Return
pin Signal Direction Description
11 29 BUSY OUT A HIGH signal indicates the
printer cannot receive data.
The signal goes HIGH in the
following cases:
1) During data entry
(for each character)
2) During initialization
3) During self test and
default-setting printing
4) During a printer-error state
12 30 PE OUT A HIGH signal indicates the
printer is in a paper-out state
or in an error state
13 - SLCT OUT Pulled up to +5 V through
1 kΩ resistance
14 -
AUTO
FEED
XT
IN When this signal is LOW, the
paper is automatically fed
one line after printing
15 - NC - Not used
16 - GND - Logic ground level
17 - CHASSIS
GND
- Printer’s chassis ground,
which is connected to the
logic ground
18 - NC - Not used
19-30 - GND - Twisted-pair return signal
ground level
31 16
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.
32 -
ERROR OUT This signal level goes LOW
when the printer:
1) Is out of paper
2) Is in an error state
3) Has no ink cartridges
installed
L
Verde+ Reference Guide
A5 size Appendix B
10-25-95 DR, pass 2-Rev1
B-10 Technical Specifications