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<TITLE>sane-devel: [epson] ident failed - Epson Perfection 636U</TITLE>
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<H1>[epson] ident failed - Epson Perfection 636U</H1>
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<!-- received="Sat Mar 18 16:20:25 2000" -->
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<!-- sent="Sat, 18 Mar 2000 20:21:40 +0000" -->
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<!-- isosent="20000318202140" -->
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<!-- name="Torsten Howard" -->
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<!-- email="torsten@inetw.net" -->
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<!-- subject="[epson] ident failed - Epson Perfection 636U" -->
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<!-- id="38D3E554.AA097965@inetw.net" -->
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<STRONG>From:</STRONG> Torsten Howard (<A HREF="mailto:torsten@inetw.net?Subject=Re:%20[epson]%20ident%20failed%20-%20Epson%20Perfection%20636U&In-Reply-To=<38D3E554.AA097965@inetw.net>"><EM>torsten@inetw.net</EM></A>)<BR>
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<STRONG>Date:</STRONG> Sat Mar 18 2000 - 12:21:40 PST
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<P>
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Hello,
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<BR>
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<P>Please help. My epson scanner is more stubborn than Windows' registry. I'll try to
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<BR>
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list everything I've tried and done very concisely and explicitly.
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<BR>
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<P>Much thanks for any help,
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<BR>
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Torsten Howard
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<BR>
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<P><P><P><P>The Scanner
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<BR>
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-----------
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<BR>
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Epson Perfection 636U
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<BR>
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USB interface
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<BR>
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Supported by SANE backend
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<BR>
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<P>The Computer
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<BR>
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------------
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<BR>
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Sony VAIO 505TR laptop
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<BR>
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1 USB Port
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<BR>
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UHCI (not alternate)
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<BR>
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Kernels used: 2.2.13, 2.2.14, 2.3.99pre1
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<BR>
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Distribution: Slackware 7.0
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<BR>
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<P><P>The Problem
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<BR>
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-----------
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<BR>
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When I plug the scanner in, unplug and then replug it in, power-off then power-on,
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<BR>
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'scanimage --list-devices' returns
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<BR>
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[epson] error in receive - status = 62
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<BR>
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[epson] error in receive - status = 5
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<BR>
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[epson] ident failed
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<BR>
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<P>It takes ~2 min. 0.12 sec to run this command every time I run it.
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<BR>
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<P>A couple of times, it just prints first and third, the second and third, or just the
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<BR>
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third lines from above.
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<BR>
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<P>After trying 'scanimage --list-devices' several times, eventually just
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<BR>
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[epson] ident failed
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<BR>
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is printed, and after a little while longer, and I'm not 100% on the error conditions
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<BR>
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here, but it seems like one error is printed, the green ready light on the scanner
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<BR>
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turns red and flashes quickly.
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<BR>
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<P>Hereafter, I must power off/power on the scanner. It seems this red light started
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<BR>
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flashing once after the second line was printed (but no the third), and all other
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<BR>
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times it seems the red light started flashing sometime after the scanimage program
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<BR>
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quits, but I'm not sure. Every time I check the scanner right after the program
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<BR>
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quits, it's light is green. But often I look back after not having checked the
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<BR>
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scanner for awhile, and the light flashes red. Hmmmph.
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<BR>
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<P>What I Know
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<BR>
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-----------
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<BR>
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the scanner works. I can scan with printshop pro under windows 98.
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<BR>
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<P>when the "plug n' play" is enabled in bios, nothing works. When disabled, I get the
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<BR>
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error mentioned above. So it remains disabled. This was done under recommendation
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<BR>
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from Karl's homepage usb setup.
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<BR>
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<P>/dev/usbscanner0 was created with the command 'mknod /dev/usbscanner c 180 48'
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<BR>
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<P>I've tried using sane v1.0.2 and save v1.0.2 modified with the epson files (version
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<BR>
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20000306) from www.khk.net (Karl Heinz Kremer's page) - don't worry, I deleted all the
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<BR>
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old files before reinstalling the new version to make sure there were no duplicate
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<BR>
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files anywhere.
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<BR>
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<P>I have modified the file /usr/local/etc/sane.d/epson.conf to one have one line,
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<BR>
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'/dev/usbscanner0'
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<BR>
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<P>the output of /var/log/debug prints, when I connect the scanner
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<BR>
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... kernel: hub.c: port 1 connection change
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<BR>
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... kernel: hub.c: portstatus 101, change 1, High Speed
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<BR>
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... kernel: hub.c: portstatus 103, change 0, High Speed
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<BR>
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... kernel: hub.c: kmalloc IF c696d2c0, numif 1
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<BR>
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... kernel: usb.c: usbscanner driver claimed interface c696d2c0
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<BR>
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so I know the scanner is being recognized and initialized, and it appears the scanner
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<BR>
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driver is grabbing the interface(?)
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<BR>
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<P>'scanimage -d epson' command returns
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<BR>
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[epson] error in receive - status = 62
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<BR>
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[epson] error in receive - status = 5
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<BR>
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[epson] ident failed
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<BR>
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scanimage: open of device epson failed: Invalid argument
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<BR>
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<P>'xscanimage epson' returns a dialog box, something like 'failed to open epson' and
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<BR>
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<P>'scanimage /dev/usbscanner0' returns
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<BR>
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[epson] ident failed
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<BR>
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scanimage: no SANE devices found
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<BR>
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<P>I have used the kernel 2.2.13 patched with the usb backport (for 2.2.14) and I have
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<BR>
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used the 2.2.14 kernel with the usb-backport (for 2.2.14). Both have the exact same
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<BR>
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errors and outputs. I have compiled both as modules, and directly in the kernel.
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<BR>
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Kernels are compiled with usbcore, usbdevfs, usbscanner, and uhci (not "alternate").
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<BR>
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Also, I was sure to make modules and make modules_install because I can insmod usbcore
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<BR>
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and insmod usb-uhci and insmod scanner....
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<BR>
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<P>I can mount /proc/bus/usb but it never ever shows any files (devices, etc).
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<BR>
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<P>I have tried the 2.3.99pre1 kernel, but it failed to boot. It printed something like,
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<BR>
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'Uncompressing kernel......... OK, booting" and hung right there. I made very few
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<BR>
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configuration changed, and even set 'vga=normal' in lilo.conf (and ran lilo) to make
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<BR>
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sure kernel could use the display, but it still failed to boot.
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<BR>
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<P><PRE>
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--
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Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
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To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20[epson]%20ident%20failed%20-%20Epson%20Perfection%20636U&In-Reply-To=<38D3E554.AA097965@inetw.net>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0180.html">Torsten Howard: "Re: [epson] ident failed - Epson Perfection 636U"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0178.html">John Wright: "nikon coolscan III not detected"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0180.html">Torsten Howard: "Re: [epson] ident failed - Epson Perfection 636U"</A>
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<SMALL>
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<EM>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Sat Mar 18 2000 - 16:22:07 PST</EM>
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