Example Of Connection To A Computer - Citizen CLP-6401 User Manual

6.4 Example of Connection to a Computer

When RS-232C is used:
IBM PC compatible
Communication control: XON/XOFF or CTS/DTR
Pin 20 should be DTR on Printer side (when high good, when low not ready)
Busy – Busy high is not ready no print.
"PC"
(DB25P)
CLP-6401
(DB25P)
6-14