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backjackII
n00b
Joined: 19 Sep 2002
Posts: 44
Location: California, USA
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 Posted: Thu May 20, 2004 7:40 am Post subject: Scanjet 6200C: hp.conf and libusb |
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I have an HP scanjet 6200C scanner running under kernel 2.6.5-r1. I've been trying to get my scanner working for well over a month, but give up each time and boot into windows to scan. Every time I do scanimage -L i get two results:
| Code: | bash-2.05b# scanimage -L
device `hp:libusb:002:002' is a Hewlett-Packard ScanJet 62x0C flatbed scanner
bash-2.05b#
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and
| Code: | bash-2.05b# scanimage -L
No scanners were identified. If you were expecting something different,
check that the scanner is plugged in, turned on and detected by the
sane-find-scanner tool (if appropriate). Please read the documentation
which came with this software (README, FAQ, manpages).
bash-2.05b#
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I get these two results randomly when I run scanimage -L successively. Doing a plain scanimage or xsane never works either.
Sometimes i get the following:
| Code: |
bash-2.05b# scanimage
scanimage: sane_start: Error during device I/O
bash-2.05b#
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or (randomly)
| Code: |
bash-2.05b# scanimage
scanimage: no SANE devices found
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My hp.conf contains simply:
Sane-find-scanner always finds my scanner:
| Code: |
bash-2.05b# sane-find-scanner
# No SCSI scanners found. If you expected something different, make sure that
# you have loaded a SCSI driver for your SCSI adapter.
# Also you need support for SCSI Generic (sg) in your operating system.
# If using Linux, try "modprobe sg".
found USB scanner (vendor=0x03f0, product=0x0201) at libusb:002:002
# Your USB scanner was (probably) detected. It may or may not be supported by
# SANE. Try scanimage -L and read the backend's manpage.
# Not checking for parallel port scanners.
# Most Scanners connected to the parallel port or other proprietary ports
# can't be detected by this program.
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I've also tried simply using libusb:002:002 as the configuration entry in my hp.conf file. When I do this, scanimage -L never finds my scanner. |
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backjackII
n00b
Joined: 19 Sep 2002
Posts: 44
Location: California, USA
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| Posted: Mon May 24, 2004 9:16 am Post subject: |
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| bump... any ideas guys? This problem has persisted for a while and I've tried everything. |
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Clemrod
n00b
Joined: 29 Feb 2004
Posts: 1
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| Posted: Sun Feb 27, 2005 7:39 am Post subject: |
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| You get this fixed? I'm having the exact same problem. |
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dbergst
Tux's lil' helper
Joined: 25 Mar 2003
Posts: 88
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| Posted: Sun Feb 27, 2005 4:40 pm Post subject: ScanJet 6200C |
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I have the exact same scanner. It has never run reliably under linux USB (either the module-based versions in 2.4 or libusb under 2.4 or 2.6). I have gotten it to work under 2.6.10-gentoo-r6 and libusb-0.1.8, although not reliably for scanning sessions. Usually I have to remove the usb driver (on my system it is uhci_hcd), restart /etc/init.d/coldplug, then cross my fingers. 
What this does is force the system to redetect the usb devices via tha coldplug script, and with module autoloading enabled, the uhci_hcd module gets reloaded. After that, I am able to run xsane for a short period of time, usually no more than 20 - 30 minutes at a time, which is enough for me to scan in a few images. Not perfect but a workaround.
Another tip I read and use in combination with the above is to comment out any scanner types that do not apply in /etc/sane.d/dll.conf and comment out the scsi related portions in /etc/sane.d/hp.conf.
If anyone has a better solution than the above, I'm all ears.  |
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Dr. Frankenbox
Apprentice
Joined: 16 Jul 2005
Posts: 171
Location: Iowa, USA
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| Posted: Thu Dec 22, 2005 7:20 pm Post subject: |
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Also with a scanjet 6200C, I am having the first problem (it is randomly not detected by SANE) but not the second problem (there is an I/O error when it is detected). The result is that I can scan using scanimage, but I sometimes have to tell it twice. I didn't need any workarounds like the ones suggested by dbergst. The computer I'm using has ohci-style USB. My hp.conf is a little more extensive than blackjack's:
| Code: | scsi HP
# Uncomment the following if you have "Error during device I/O" on SCSI
# option dumb-read
#
# The usual place for a SCSI-scanner on Linux
/dev/scanner
#
# USB-scanners supported by the hp-backend
# HP ScanJet 4100C
usb 0x03f0 0x0101
# HP ScanJet 5200C
usb 0x03f0 0x0401
# HP ScanJet 62X0C
usb 0x03f0 0x0201
# HP ScanJet 63X0C
usb 0x03f0 0x0601
#
# Uncomment the following if your scanner is connected by USB,
# but you are not using libusb
# /dev/usb/scanner0
# option connect-device
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If you think there's anything else you can learn from me that might get your scanners at least partially working, please ask.
<edit>I just thought of one more thing. Before running "emerge kde" when installing the system, I added "scanner" to my USE flags. Re-emerging with that flag might help.</edit>
Finally, there's one thing I'd really like to fix about this. I have Kooka installed with KDE, but I can't get it to work with my scanner despite the fact that scanimage works fine. When I choose "Select Scan Device" from the Settings menu, nothing happens. I have no idea how to tell the program to do even a preview scan. Any advice? |
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