Epson Stylus 800 User Manual page 69

ERROR
NC
NC
Note:
viewed from the printer.
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.
times of each signal must be less than 0.2 microseconds.
cleared. This level is
normally HIGH; its pulse
width must be more than 50
microseconds at the
receiving terminal.
OUT This level becomes LOW
when the printer is:
Same as for pins 19-30
Not used
OUT
Pulled up to 5 V through
1 .O k.Q resistance
Not used
Appendix A-9