Cable For New Printer?

Discuss construction, troubleshooting, and operation of the Altair 8800c computer

Cable For New Printer?

Postby toml_12953 » October 6th, 2021, 2:10 pm

I have a C-700 printer board in my 8800c. It works fine with older printers such as the Tandy DMP-132 but when I connect a newer Citizen GSX-190 (which works fine with an IBM PC) nothing happens when I try to print. I might need a new cable but comparing the Tandy printer pinout with an IBM printer pinout, I don't see some of the control signals (data lines are the same) or the signals are inverted. Is there a cable I can use with the
C-700 board or is there a simple wiring change I can make to the existing cable?
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