User`s guide

4-128
Guide to Printers and Printing
Note that input data streams such as PostScript are pass–through by definition; the
processing is performed by the Postscript interpreter hardware on the printer.
Most of the printer device driver parameters that one can display or modify using the splp
command also exist in the formatter filter. These parameters are stored in the digested
version of the colon file for a given virtual printer. For example, the mapping between the
printer device driver parameters and the corresponding parameters in the colon files for an
ASCII queue on an IBM 4029 LaserPrinter is as follows:
pass–through?
–p _d
page length (lines) –l _l
page width (columns) –w _w
indentation (columns) –i _i
wrap long lines? –W _L
convert to uppercase? –C N/A
send carriage returns? –c _x
send linefeeds ? –n _x
carriage rtn after linefeed –r _x
suppress tab expansion? –t N/A
send backspaces? –b N/A
send formfeeds? –f _Z
The values of the parameters in the righthand column can be permanently set in the virtual
printer definition. They can also be overridden at the time a job is submitted by using certain
flags on either the qprt or enq commands.