Casio QT-6000 Training Manual page 10

Connecting printers
It is possible to have 3 printers per terminal if the terminals are
stand-alone and there is a maximum of 8 terminals for an In-line
situation
Supported Printers
Epson Thermal TM-88 / UP-350 / 360
Epson Dot Matrix TM-U210 / U-220 / UP-250
Printer wiring diagram
D Sub 9 Pin Female
3 TXD
6 DSR
8 CTS
2 RXD
4 DTR
5 SG
D Sub 25 Pin Male
RXD 3
DTR 20
RTS 4
TXD 2
DSR 6
SG 7
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