Problem printing a Postscript file, don't know where to start to sort it out? RIP the file to screen using Acrobat Pro or Ghostscript
(GS -- an open source program which has had considerable development
since its creation in the 90s.) If a file fails to RIP in Ghostscript
it's very unlikely to RIP on any other device, GS is renowned for being
able to process files rejected on other RIPs making it a great testing
platform for assisting in identifying Postscript errors. Partner GS with
GSview and you have a GUI interface for the RIP similar to Acrobat.
Once a file has been proved as RIPable using GS or Acrobat Pro and
(assuming it fails on the printer RIP) you need to start trouble
shooting what might be the likely cause.
Postscript Printer Driver
MS Windows supplied driver appears as "Device Independent Postscript File" -- Not ideal for Postscript printers as it doesn't have a clue of the features or limitations of the device.
Adobe PS Driver appears as "Generic Postscript Printer"
and PPD check box is enabled -- this is the preferred driver for
generating Postscript files. For all versions of Windows below Vista it
can be download from Adobe. For Vista and above Adobe only distribute
the driver through printer manufacturers.
1. Wrong PPD
Symptoms -- output fails; imaging occurs at incorrect location on page
2. Wrong PS version
Symptoms -- output fails; image processing takes longer that it expected; some printer features are not available
3. Postscript output too complex for then memory available in RIP
Symptoms -- output fails; some page objects are missing or partly rendered
4. Other issues unknown or RIP software error
Symptoms -- output fails; Postscript code is printed as text
How to troubleshoot a Postscript error
Include a Postscript error handler in the information sent to the
printer. Normally PS error handlers once sent to the RIP will stay
resident in memory until the RIP is rebooted. When a file fails to print
with the error handler resident, the printer will output a page with
the offending error. Once you know the error you can Google that
specific error or post the error to the forum for discussion. The
controls for the error handler are some what buried in dialogs, the
screen grab below should provide a guide to selector.
Postscript files include a boundary box. This frame is important on
EPS files but is ignored on many RIPs and the boundary is defined by the
paper size and rotation. However there is an issue where Draw PS output
fails to correctly reflect a landscape page in the boundary box
setting. If the PS device essay writing help uses the boundary box in preference to the
page rotation, landscape pages will print incorrectly. You can observe
this error using Ghostscript and make a comparison to the printed output
to confirm if you have this issue.
Look at the Mac Drivers they are a must on the Mac. (Newest printers)
Printers around XP era http://www.adobe.com/support/downloads/detail.jsp?ftpID=204 (Good source for film setters and older pro printers)
PPDs held in the Linux Library http://www.openprinting.org/download/PPD/ (Usually most printers bar the most recent)
Between those 3 sources there should always be a PPD that can be located for a specific device.
In CGS X5 landscape boundary box
issues have been corrected and are no longer a problem. If you have this
problem the best solution is to update to CGS X5. YOU MUST USE A PPD
WITH THE PS PRINTER EVEN IN X5!
Printing interactive fills over bitmap objects causes a drop out of
the bitmap equal to what would be the square area of the whole
Check "Use software clipping for fills"
Like many issues in X4 interactive
fills have been corrected at print time in X5. The above solution for
X4 while still available may not be required in X5 and could result in
print file size bloat for no gain.
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