Randy,
thanks for the feedback. You are right, I am printing files
that are a little bigger than your 800K... More in the order
of 60..100MB per page.
I am using Gimp with the new Gimp Print Plugin
(http://gimp-print.sourceforge.net) to print these files.
If you have lots of bandwidth and some space on your hard disk
then you should get the PDI Test image from
http://jhcloos.com/pub/gimp-print/PDI_Target/
The image in the bz2 file (and the gz file) is about 5000x4000
pixels, so the data is there to create large print jobs. You
can however start with the jpg file, if you blow it up to a
full letter page the driver will create the same amount of
data as for the high res image.
BTW I tried this also on a Stylus Photo 1270 with the same
result, so it's not the 740 that causes the problem.
Is there anything else I can try to get more information about
the problem - e.g. turning on debugging or adding fprintf statements
for debugging purposes?
Karl Heinz
On Sun, Jun 11, 2000 at 04:06:08PM -0700, Dunlap, Randy wrote:
> Hi Karl Heinz,
>
> I downloaded and used the stc740XXX.upp driver that
> you mentioned. I installed it at all 3 of its
> supported resolutions (360*360, 720*720, and 1440)
> and tested with both usb-uhci and uhci (JE).
>
> I didn't have any problems, but maybe you are sending
> LOTS more data to the printer than I am.
> At first I was printing a web page with a few small
> graphics on it, but since you said you are printing
> large (letter sized) images, I downloaded some
> Van Gogh art to print. These images are still only
> about 1/2 page each, but gimp stretches them to be
> full page when I print them. lpq said that I was
> sending about 800 KB to the printer each time that
> I printed. I don't see any loss of data and I didn't
> have any error messages.
>
> Can you recommend some data (graphics) for me to print?
> What software do you use to print it?
>
> ~Randy
>
>
> > -----Original Message-----
> > From: 'Karl Heinz Kremer' [mailto:[EMAIL PROTECTED]]
> > Sent: Saturday, June 10, 2000 5:17 AM
> > To: Dunlap, Randy
> > Cc: [EMAIL PROTECTED]
> > Subject: Re: [linux-usb] Problems with USB printer
> >
> >
> > Randy (and everybody),
> >
> > the problems here occured when printing letter sized images
> > in 720x720 and 1440dpi modes. For non-images I am using
> > a different printer, so I don't have any first hand experience
> > with smaller jobs. With usb-uhci it always stopped after about
> > one inch, with uhci I got almost half a page.
> >
> > Did the log(s) I sent show anything obvious?
> >
> > Karl Heinz
> >
> >
> > On Fri, Jun 09, 2000 at 08:43:07PM -0700, Dunlap, Randy wrote:
> > > Karl Heinz,
> > >
> > > Thanks for these pointers. I'll try them out.
> > >
> > > I tested successfully with both uhci and usb-uhci
> > > (but only at 360x360).
> > >
> > > ~Randy
>
> and KHK wrote::::::::::::::::::::::::::::::::::::::::::
> Randy,
>
> there is a much improved uniprint module for the stc740 at
> http://dutera.et.tudelft.nl/~haver/linux/epson.html.
>
> If you want to do serious Gimp printing go to
> gimp-print.sourceforge.net, this driver - despite the name -
> can also be compiled as a GhostScript driver and gives you the
> best possible output under Linux.
>
> Now regarding my problems: I am using usb-uhci, is this different
> from your setup?
>
> Karl Heinz
>
>
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