Re: OT: WMF drawings from Docutech 135PS have thin and missing lines

[Dov Isaacs <isaacs@xxxxxxxxx>]

Verner,

Repeat after me ...

"Write white is never quite right" ...

The Docutech printer to which you prefer has a "write white" xerographic
engine. When the laser is ON, the area of the page is white. Thus, to 
prevent an overall gray cast to the page, the laser beam is wider than
the resolution. As such, single pixel black lines tend to be very thin
an anemic, if visible at all (similar to what happens of a "write black"
laser printer with single pixel white lines on a black background).
The Docutech has extensive image correction features that try to compensate
for this problem. If you are encountering lines totally disappearing, call
in Xerox to adjust the printer.

        - Dov

PS: Remember, "write white is never quite right" ...



At 3/7/2002 06:14 AM, Andersen, Verner wrote:
>Hi Framers
>
>When we get a printed copy of our manuals from our printshop the wmf
>drawings have very thin and missing lines.
>We have used the same drawings for years without problems.
>
>We create the pdf file from FrameMaker 6.0 with Acrobat Distiller 4.05 and
>the Acrobat Distiller printer driver. We use postscript printer driver 5.1
>and adist4ppd v1.0. We use Windows 2000. 
>
>The printshop says that they havn't changed anything in their docutech
>setup. We changed to Windows 2000 and updated printer drivers some months
>ago, but don't remember any drawings with missing lines then.
>When we print on our Laserjet 8000 DN there is no problem. When we print on
>our XeroxC1 printer and copier we can see that the lines are thin but not
>missing.
>
>It seems that hundreds of drawings have thin or missing lines. 
>
>Do you have any suggestions on what to do?
>
>
>Best Regards
>
>Verner Andersen


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