Lexmark C752 Technical Reference page 227

sccbatch
returns the user default settings for serial communication parameters.
has the following valid integer values:
If only one serial interface port is available on the printer, both
the same values. Baud and option values are returned on the stack.
returns the value of the
returns an 8 bit value as defined in the following illustration:
Stop Bits
Stop Bits
This bit is always set to zero.
Data Style
7 data bits
8 data bits
Flow Control
XON/XOFF
DTR/DSR
DTR
XON/XOFF/DTR
XON/XOFF/DTR/DSR
Parity
ignore
odd
even
none
Errors: rangecheck, stackoverflow, stackunderflow, typecheck
4-44
menu item.
Baud
Flow Control
Data Style
PostScript
and return
Parity