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HP 4250dtn not compressing

Posted on 2006-07-07
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Last Modified: 2010-04-12
I have an old Cobol application that supports printing to Laserjet printers.  I can successfully print using compression to a laserjer 1200 but when I send the same job to a 4250dtn it does not compress.  Any changes I make to the printer driver settings do not seem to make a difference.
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Question by:verbal7
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12 Comments
 
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Expert Comment

by:wyliecoyoteuk
ID: 17062700
what do you mean by compression?
is it condensed print?-if so you may find that the printer command codes are different.
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Author Comment

by:verbal7
ID: 17062723
In the cobol program you can compress the font and pitch, it works when sending to a 1200 through a share but not to a 4250dtn using the same method.
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LVL 21

Expert Comment

by:wyliecoyoteuk
ID: 17064170
Which printer driver are you using for the 4250? you must use the PCL driver, not the Postscript one, or PCL commands will be ignored.
Also, the font, pitch. or compressed print commands may be slightly different between the 2 printers, as may the installed fonts.

Strange though, as they both support PCL5E and 6, and they both print at 1200 dpi.
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Author Comment

by:verbal7
ID: 17064718
I tried PS, PCL5e and PCL6 as well as the Unversal Driver all with the same result.  I also tried changing the Print Processor to match the 1200 and did not see any change.  It is as if the 4250 just ignores all external commands from this program.
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LVL 21

Expert Comment

by:wyliecoyoteuk
ID: 17064913
You probably need to use the PCL driver (unless the PS driver works for the 1200).
The program probably embed PCL commands in the I/O stream,
I have just checked the PCL manuals and they look like they are the same commands for both printers.

couple of ideas:
in the windows shared driver, try setting the default processing to raster, not HP/GL
On the printer, set the default language to PCL not auto.
Are both machines feeding the paper in the same direction? i.e portrait or landscape?

After this, unless you can alter the program itself, you may be stuck.
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Author Comment

by:verbal7
ID: 17073548
No luck, tried the PCL setting under personality and was unable to find any mention of HP/GL but graphics modes was raster.
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Author Comment

by:verbal7
ID: 17075036
Problem solved.  it was the jetDirect card.  When I hook it up via the parallel port and share it it works fine.  Same issue if I use a Print Server made by HP.  I am not sure if it is a setting on the I/O card yet or not but i haver a work around.  Thanks for your help
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Author Comment

by:verbal7
ID: 17075060
wyliecoyoteUK - Please send another comment and i'll split the points
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LVL 21

Expert Comment

by:wyliecoyoteuk
ID: 17075949
Very odd, the jetdirect card should just pass the file through.
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Author Comment

by:verbal7
ID: 17287808
wyliecoyoteuk, not really a split just want to give him partial credit for helping
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Accepted Solution

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wyliecoyoteuk earned 250 total points
ID: 17290929
then just award the points with a C grade :)
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