User`s guide

The most commonly used option integers for 7-bit data are
The most commonly used option integers for 8-bit data are
Option No. Parity Flow Control
0 Ignored XON/XOFF
1 Odd XON/XOFF
2 Even XON/XOFF
3 None XON/XOFF
4 Ignored DTR/DSR
5 Odd DTR/DSR
6 Even DTR/DSR
7 None DTR/DSR
20 Ignored XON/XOFF BI DIR
21 Odd XON/XOFF BI DIR
22 Even XON/XOFF BI DIR
23 None XON/XOFF BI DIR
Table 8.3 7 Bit Data
Option No. Parity Flow Control
64 Ignored XON/XOFF
65 Odd XON/XOFF
66 Even XON/XOFF
67 None XON/XOFF
68 Ignored DTR/DSR
69 Odd DTR/DSR
70 Even DTR/DSR
71 None DTR/DSR (Factory Default)
84 Ignored XON/XOFF BI DIR
85 Odd XON/XOFF BI DIR
86 Even XON/XOFF BI DIR
87 None XON/XOFF BI DIR
Table 8.4 8 Bit Data
Chapter 8
8-4 Printer/Host Communication