Epson Stylus Color 200 User Manual page 109

Pin assignments (continued)
Signal Return
pin pin
11
12
13
14
15
16
17
18
19–30
31
A-10
Technical Specifications
Signal
29 BUSY
28 PE
28 SLCT
30
AFXT
— NC
— GND
— CHASSIS
GND
— Logic H
— GND
30 INIT
Direction Description
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,
demonstration, and
default setting printing
4) During a printer-error state
OUT A HIGH signal indicates the
printer is in a paper-out state
or in an error state.
OUT Pulled up to +5 V through
1 k resistance
IN Not used
— Not used
— Logic ground level
— Printer's chassis ground,
which is connected to the
logic ground
OUT Not used
— Twisted-pair return signal
ground level
IN When this signal goes LOW,
the printer controller is reset
to its default 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 s at the receiving
terminal.