HP QMS 1660 - Manual (Page 65)

Interfaces
4-33 Printer Configuration
Setting Parallel Interface Parameters
Use the Administration/Communications/Parallel menu to set the par-
allel interface values used for printer-host communications.
Data Bits
Sets the number of data bits transmitted per character.
Default Job Priority
Allows you to specify which jobs are printed first, according to the
interface through which they are received, when jobs are received
simultaneously. In other words, you can give jobs received via the
parallel interface priority over jobs received via the LocalTalk and
serial interfaces.
Choices Normal—Enable standard, ASCII hex protocol. Data is sent
and received in ASCII format. This mode is recommended if
you do not print binary data. It was designed for data in the
printable ASCII range. Print jobs can alter the PS protocol
value through PostScript operators.
Normal Fixed—Enable standard, ASCII hex protocol. Print
jobs cannot alter this value through PostScript operators.
Binary—Enable binary communications protocol. Print jobs
can alter this value through PostScript operators. Data in the
printable ASCII range also prints.
Binary Fixed—Enable binary communications protocol. Print
jobs can not alter this value through PostScript operators. Data
in the printable ASCII range also prints.
Default Normal
Menu Administration/Communications/Parallel/Data Bits
Choices 7 Bits, 8 Bits
Default 8 Bits
Menu Administration/Communications/Parallel/Def Job Prio
Choices 001-100 (highest-lowest priority)