Epson Stylus Pro 7800 User Manual page 74

Always spool RAW datatype (for Windows XP and 2000 only)
To enable NT-based clients spool documents to use the RAW
format instead of the EMF (metafile) format, select the Always
Spool Raw datatype check box (Windows NT-based
applications use the EMF format by default).
Try using this option if documents spooled in the EMF format do
not print correctly.
Depending on the data to print, spooling RAW datatype requires
fewer resources than EMF, so some problems ("Insufficient
Memory/Disk Space to Print", "Slow print speed", etc) can be
solved by selecting this option.
Note:
When you spool RAW datatype, the print progress as displayed by the
Progress Meter may differ from the actual printing progress.
Page Rendering Mode (for Windows XP and 2000 only)
Use this function when the print speed is extremely slow or when
the print head stops for a few minutes while printing. When this
check box is selected, the print speed may improve by rendering
as page.
However, the following problems may occur.
❏ Print progress displayed in the Progress Meter window may
differ from the actual print progress.
❏ Printing may take a longer time to start.
Coarse Rendering (for Windows XP and 2000 only)
Use this function if the output length (number of pixels) is limited
by the application. Longer print output is made possible by
reducing the resolution to restrict the number of pixels to within
the application's limit.
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Printing with Windows