Image Quality
Determines the quality for image printing. Override Host must be enabled to use
Image Quality. If Override Host is disabled, then the image is assumed to be 144
by 144 and the image is printed at 120 by 144.
v Low (the default). Accepts images with 144 by 144 and prints images at 120 by
144. With this setting, the image is converted from 144 by 144 to 120 by 144.
Since there is some conversion required, there may be some differences between
the original image and the printed image. Review the note below for more
information.
v High. Accepts images with 120 by 144 and prints images 120 by 144. With this
setting, the image is printed as is and requires no conversion. Because no
conversion is required, there is more fidelity between the original image and the
printed image.
Note:
There is one bit of image data per pel. If your print job contains an image
created to print 144 by 144, which is very common for IBM 4234 printers,
some bits of data will be dropped out to support the best fit resolution,
which is 120 by 144.
When printing jobs with images created for an IBM 4234 printer, you will
want to print a few samples to ensure the results are satisfactory.
IPDS Emulation Mode
Select which type of printer you want IPDS to support. You can choose either to
emulate a 4234 or you can choose 6408/6412. You should choose which mode you
use based on your software applications. For instance, if you are using PSF/MVS,
then you would choose 6408/6412 as PSF/MVS provides support for this printer.
v 4234 (the default). IPDS supports 4234 printer functions. This is the default
which should be used most often. If you are using IPDS with PSF applications,
except PSF/MVS, make sure you select 4234.
Please review Chapter 3, “IPDS Commands Reference” in your 6500 IPDS
Programmer’s Reference Manual for information on using IPDS commands when
you select 4234 from the IPDS Emulation Mode menu.
v 6408/6412. IPDS supports 6408/6412 printer functions. Use this value when you
are using IPDS with PSF/MVS. This value enables IPDS and PSF/MVS to take
advantage of 6408/6412 printer functions which are supported directly by
PSF/MVS. Other PSF applications only support this printer as a 4234 printer.
Please review Chapter 4, “IPDS Command Differences” in your 6500 IPDS
Programmer’s Reference Manual for information on using IPDS commands when
you select 6408/6412 from the IPDS Emulation Mode menu.
Note:
If you want to use the value 6408/6412 as the default value, you will need
to select 6408/6412 as the default, save the value as a custom set, and then
power the printer off and back on again.
150 Infoprint 6500 User’s Manual
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