Lexmark T642 Technical Reference page 240

setprintername
string setprintername —
changes the PrinterName system parameter to the value of the
string value can be any string up to 32 characters.
This operator is equivalent to executing the following PostScript emulation
sequence:
<< /PrinterName
Errors: invalidaccess, limitcheck, stackunderflow, typecheck
setquiet
integer setquiet —
changes the user default setting of the PowerSave page device parameter.
The following integers are valid:
0
Power Saver Off
1 120 1
to or to
Number of minutes elapsed after last page prints before
Power Saver is invoked.
Any changes made by this operator are not active until the end of the print job.
Note: Some printer models released in the year 2000 or later designated as
Energy Star printers cannot have Power Saver disabled.
This operator is equivalent to executing the following PostScript emulation
sequence:
%Go into exitserver or startjob context
<< /PowerSave integer >> setpagedevice
Errors: rangecheck, stackunderflow, typecheck
4-44
(string)
>> setsystemparams
240
(Model specific)
PostScript
string
. The