[cups.general] The Famous "Media tray empty!" error - revisited

Helge Blischke H.Blischke at srz-berlin.de
Mon Jul 5 04:36:22 PDT 2004


There have been some STRs on this issue recently, including some
proposed patches
to the CUPS USB backend. Perhaps you try to apply one of these.

Obviously there is a discrepancy on the semantics of certain USB status
bits
between different groups of developers.

Helge

Vincenzo Romano wrote:
> 
> Hi there all.
> 
> I've just hit my head on this problem. It seems to me it's due to
> a problem with the backend. As far as I've seens on the web, only
> *USB* printers run in the problem.
> Now, I've been using my Samsung ML1710P (USB+Parallel) for a while with
> no  problem at all. And suddenly it stopped working.
> What has appened in my system is that I've done an upgrade of the compiler *and* an upgrade of the kernel.
> I'm running:
> - Gentoo 2004.1
> - CUPS 1.1.20
> - gcc 3.3.3 (Gentoo Hardened Linux 3.3.3-r6, ssp-3.3.2-2, pie-8.7.6)
> - Kernel 2.6.6 or 2.6.6-mm5
> 
> I've seens somewhere a posting from a guy switching from USB to Parallel and solving the problem so, what I can argue is that:
> 1. either the USB backend gor hurted by the compiler
> 2. or the Linux USB-Printer support got hurted by some "code fix" or by the new gcc
> 3. or a mix of these two.
> 
> At the moment I have no parallel cable to test, but am pretty sure that this is the way to solve the problem. Maybe.
> 
> Regards.
> 
> "Steven P. Ulrick" wrote:
> > Hello, Everyone :)
> > I hope I am not starting off my involvement with this list on a bad
> > foot, but my question has appeared many times on the CUPS news
> > groups/mailing lists, but I found no real solution in everything that I
> > read.
> > I am attempting to set up our printer, a Samsung ML1250 Laser Printer.
> > It is connected to the USB port.  The queue type is locally-connected,
> > and the device is /dev/usb/lp0  Everything seems ok, until I try to
> > print anything, and I get the legendary "Media tray empty!" error.  Of
> > course, like I'm sure you are used to hearing, the media tray is not
> > empty.
> >
> > Here is the log message from an attempt to print something:
> > I [01/Jul/2004:02:50:53 -0500] Started "/usr/lib/cups/cgi-bin/admin.cgi" (pid=29845)
> > I [01/Jul/2004:03:11:48 -0500] Started "/usr/lib/cups/cgi-bin/admin.cgi" (pid=11344)
> > I [01/Jul/2004:03:36:09 -0500] Adding start banner page "none" to job 18.
> > I [01/Jul/2004:03:36:09 -0500] Adding end banner page "none" to job 18.
> > I [01/Jul/2004:03:36:09 -0500] Job 18 queued on 'SamsungML1250LaserPrinter' by 'steve'.
> > I [01/Jul/2004:03:36:09 -0500] Started filter /usr/lib/cups/filter/pstops (PID 5130) for job 18.
> > I [01/Jul/2004:03:36:09 -0500] Started filter /usr/lib/cups/filter/foomatic-rip (PID 5131) for job 18.
> > I [01/Jul/2004:03:36:09 -0500] Started backend /usr/lib/cups/backend/usb (PID 5132) for job 18.
> > W [01/Jul/2004:03:36:10 -0500] [Job 18] Media tray empty!
> > I [01/Jul/2004:03:38:09 -0500] Scheduler shutting down normally.
> >
> > I need to make very clear that up until a week or so ago, this printer
> > Just Worked everytime I would have to reconfigure it.  This is the first
> > time I've ever had an issue with this printer, or CUPS, so this is a
> > complete mystery to me.
> > When I ran "system-config-printer", when it got to the part where it
> > asked me to pick a manufacturer, I picked "Samsung"  When asked for the
> > model of my printer, I found the exact model "ML1250"  I chose, as
> > always, the driver that was reccomended.  This has always worked before.
> >
> > A little system information:
> > Operating System: Fedora Core 2
> > Installation type: Full Installation (not an upgrade)
> > Update status: all official updates applied
> > KDE: from CVS HEAD
> > QT: from TrollTech source
> > (QT and KDE are both in non-default locations.  I did not overwrite my
> > default KDE.)
> > CUPS is the current Fedora Core 2 version, from the Updates-Released server.
> >
> > Again, this is a new issue for me, so please let me know what I need to
> > tell you to clarify this :)
> >
> > Steven P. Ulrick
> >

-- 
H.Blischke at srz-berlin.de
H.Blischke at srz-berlin.com
H.Blischke at acm.org




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