USB printing mangles printjob :-(

[Bernd Walter]

On Thu, Jun 05, 2003 at 04:11:23PM +0200, Alexander Leidinger wrote:
> On Thu, 5 Jun 2003 13:49:25 +0200
> Bernd Walter <ticso at cicely12.cicely.de> wrote:
> 
> > > 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.
> 
> With a May 30 kernel I have no problems with my HP Deskjet 895Cxi.
> Perhaps it depends on a certain chipset or printer...

As my Adapter works with some printers my guess is a timing triggered
bug.
We will see exactly what it was when it's fixed :)

-- 
B.Walter                   BWCT                http://www.bwct.de
ticso at bwct.de                                  info at bwct.de