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PostScript
4-49
DeviceRenderingInfo
(continued)
dictionary TonerSaver is a boolean that controls the Toner Saver feature.
True Starts the printer toner saver mechanism
False Stops the printer toner saver mechanism
Notes:
• A PostScript job can override the effect of Screening by using sethalftone,
setscreen, or setcolorscreen operators, unless Screening is set to IET or
IETPictureGrade.
• A PostScript job can enter or exit IET or PictureGrade using the Screening
parameter in a setpagedevice call. This does not change the user default
printer settings for print quality, which are read and used by the interpreter for
the next print job unless the setpagedevice is issued in a startjob context.
• If Screening is set to IET or IETPictureGrade, TonerSaver is set to False. This
is true for all models except the Optra C710, Optra M410, Optra T family, and
Optra W810.
PictureGrade is an integer that provides compatibility with previous Lexmark laser
printer drivers. PictureGrade works in conjunction with Screening.
If Screening is set to None or PictureGrade, the values for PictureGrade affect
Screening in the following way:
0 Changes Screening to None
1 Changes Screening to PictureGrade
If Screening is set to IET or IETPictureGrade, the values for PictureGrade affect
Screening in the following way:
0 Changes Screening to IET
1 Changes Screening to IETPictureGrade
For more information on Screening, see page 4-48.
ImageEnhancement is an integer that provides compatibility with previous
Lexmark laser printer drivers. ImageEnhancement works in conjunction with
Screening.
If Screening is set to None or IET, the values for ImageEnhancement affect
Screening in the following way:
0 Changes Screening to None
1 Changes Screening to IET
If Screening is set to PictureGrade or IETPictureGrade, the values for
ImageEnhancement affect Screening in the following way:
0 Changes Screening to PictureGrade
1 Changes Screening to IETPictureGrade
For more information on Screening, see page 4-48.
PrintDarkness specifies the value of the
Print Darkness printer setting. Legal
values are:
1 Lightest
2 Lighter
3Normal
4Darker
5 Darkest
Table 4-8: Page Device Parameters (Continued)
Key Type Definition