Date: Thu, 5 Jun 2003 13:49:25 +0200 From: Bernd Walter <ticso@cicely12.cicely.de> To: Poul-Henning Kamp <phk@phk.freebsd.dk> Cc: current@freebsd.org Subject: Re: USB printing mangles printjob :-( Message-ID: <20030605114925.GM3231@cicely12.cicely.de> In-Reply-To: <52973.1054808216@critter.freebsd.dk> References: <52973.1054808216@critter.freebsd.dk>
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On Thu, Jun 05, 2003 at 12:16:56PM +0200, Poul-Henning Kamp wrote: > > While testing my dads HP 880C printer, I found out that our USB printing > mangles printjobs. stable or current? > I ran the "colorcir.ps" file through ghostscript with the hpijs driver > set to output for the 880C and saved the result in a file. > > If I send that file to the printer via the parallel port, it prints > perfectly. If I send it via USB/ulpt there are corrupted bytes in > the job which mess up the printout in various ways. I've seen this too on current. It seemed that bytes are lost if output is blocked due to a full printers input buffer. I've thought that this was an incompatibility between my USB-printer adapter and the printer because the adapter works with other printers. > I don't have time to hunt this down. If I find something and you have the time to test would be great, as it happened to me with a thermo transfer printer, where tests are expensive. -- B.Walter BWCT http://www.bwct.de ticso@bwct.de info@bwct.de
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