Compuprint 4247-L03 - Manual (Page 59)

Parallel Interface
This setup defines the use of the parallel interface and is structured according to
the interface specific parameters.
…
LAN Interface
HC0UG032
or
CX. Parallel I/F 1284 Bidir. I/F
Select-In Host Select-In On
Data Bits 8 Data Bits 7
Input Buffer 2K Input Buffer ...
Parall Interface
Serial Interface
USB Interface
Figure 24. Parallel Interface Parameters
Chapter 3. Configuring the Printer 47