Epson Stylus 800 User Manual - Page 69

Appendix A-9, denotes the twisted-pair return, to be connected at signal

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cleared. This level is normally HIGH; its pulse width must be more than 50 microseconds at the receiving terminal. 32 - ERROR OUT This level becomes LOW when the printer is: 1) out of paper 2) in an error state 33 - GND - Same as for pins 19-30 34 - NC - Not used 35 - OUT Pulled up to 5 V through 1 .O k.Q resistance ^ - NC l- Not used Note: 0 The column heading 'Direction" refers to the direction of signal flow as viewed from the printer. 0 "Return" denotes the twisted-pair return, to be connected at signal ground level. For the interface wiring, be sure to use a twisted-pair cable for each signal and to complete the connection on the return side. CT All interface conditions are based on the TTL level. Both the rise and fall times of each signal must be less than 0.2 microseconds. Appendix A-9

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cleared.
This level is
normally HIGH; its pulse
width must be more than
50
microseconds at the
receiving terminal.
32
-
ERROR
OUT
This level becomes LOW
when the printer is:
1)
out of paper
2)
in an error state
33
-
34
-
35
-
GND
NC
-
-
OUT
Same as for pins
19-30
Not used
Pulled up to 5
V
through
1
.O
k.Q
resistance
^
-
NC
Not used
l-
Note:
0
The column heading Direction refers to the direction of signal flow as
viewed from the printer.
0
Return
denotes the twisted-pair return, to be connected at signal
ground level. For the interface wiring, be sure to use a twisted-pair
cable for each signal and to complete the connection on the return
side.
CT
All interface conditions are based on the
TTL
level. Both the rise and fall
times of each signal must be less than
0.2
microseconds.
Appendix A-9