USB scanner permissions

Okay, I'm totally confused.
I have a Canon Lide-30 USB scanner which I have used under Arch Linux many times--but not for 2 or 3 months. However, I was never able to configure hotplug to set the permissions automatically; I always had to become root and manually set the permissions in order to access the scanner as a regular user. Now, of course, the devices are all different (I mostly keep up with the latest release, don't really use testing packages, so I now have kernel 2.6.14).
Here's what's happening:
I plugged in the scanner's USB cable after booting (my machine's been up continuously for a few days, so I would have to shut down to do otherwise).
Loaded the uhci-hcd module ... now /proc/bus/usb is mounted, and it contains a node for my scanner.
Run sane-find-scanner as root:
found USB scanner (vendor=0x04a9 [Canon], product=0x220e [CanoScan], chip=LM9832/3) at libusb:001:002
Run sane-find-scanner as myself: same as above
Run xsane as root: OK.
Run xsane as myself: No devices found.
# chmod 777 /dev/usbdev1.2 (which I think represents the scanner)
# chmod 777 /dev/usbdev1.1
# chmod 777 /proc/bus/usb/001/002
# chmod 777 /proc/bus/usb/001/001
No change. I still can't access the scanner as myself.
By the way, it appears that the hotplug daemon won't start, though I'm not quite sure why. There are no files in /var/log/hotplug. In /var/log/errors, I see
DEVPATH is not set (subsystem pci)
But according to a brief Google search, this is not a serious problem.
So what's the magic formula?

Have you read this?

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USB Scanner Permissions without hotplug

After getting rid of hotplug, the permissions for my usb scanner aren't set to scanner:root anymore. Udev is supposed to take care of everything hotplug used to do, but it doesn't seem to do this automatically. Could anyone explain how I can make udev set the permissions correctly for my usb scanner?

Oh, I'm sorry, I forgot I had made my own sane-package, since a former version broke the support for my scanner (Epson CX3200), but that's fixed now. I updated Sane, and everything works. (Still, I have to replug the scanner after booting, for the permissions to get set, though)

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Hello
When I open xsane with regular a user, the scanner does not get detected by it. Only when I open xsane as root.
That's probably a permission issue. My user is added to the scanner group.
How would I correct this?
Thanks

brebs wrote:
Write a udev rule to identify the scanner and give it the right user group & permissions. Google search is your friend
Just to confuse the hell out of us, different distros use different group names. Some have "scanner", some use "usb", some don't even have "usb".
Example: In /etc/udev/rules.d/91-local.rules
# Scanner.
# sane-find-scanner ; scanimage -L
# From http://forums.gentoo.org/viewtopic-p-33 … ml#3311185
# udevadm info -a --name /dev/usbdev5.3_ep00
# "libusb:003:015" probably means /dev/bus/usb/003/015
SUBSYSTEM=="usb", ATTRS{product}=="CanoScan", GROUP="usb", MODE="0660", SYMLINK+="lide25"
I googled it quite a bit to find out this process is rather difficult for newbies. I even read udev wiki but I can't come up with a rule myself. The gentoo forum post you referenced has udevinfo command while it has been replaced with udevadm and the script wouldn't work.
Would you give me more directions?
Here's the output of sane-find-scanner as root.
[root@myhost ~]# sane-find-scanner
found USB scanner (vendor=0x03f0 [HP], product=0x2504 [Deskjet F4200 series]) at libusb:001:004
found USB scanner (vendor=0x050d [Belkin], product=0x705c [USB2.0 WLAN]) at libusb:001:003
[root@myhost ~]# scanimage -L
device `hpaio:/usb/Deskjet_F4200_series?serial=CN83I3Y197052D' is a Hewlett-Packard Deskjet_F4200_series all-in-one
device `v4l:/dev/video0' is a Noname Kworld ATSC110/115 virtual device
[root@myhost ~]#
I understand the device would be 001:004, but how would I write a rule for it?
Thanks

Remote Desktop and remote USB scanner

Hello, We currently use NeatWorks to scan our company receipts and docs. Several of our employees access the NeatWorks database remotely, via a locally installed NeatWorks application, the connection we use to the file is the simple Finder 'Connect to Server'. Because NeatWorks is not networkable, we access it one at a time.
The problem is the Neatworks database is huge, it can take 20 minutes to load remotely.
Our solution to this would be to use Remote Desktop to access our server that has the application and database for a quick load. The problem is scanning.
Can Remote Desktop connect to the users local USB scanner so that the scans go directly to the remote database? If not, is there any other elegant solution to this remote scan problem?
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Can the NeatWorks application on the server, see, connect to the USB scanner device on the user end.
That would not be a function of Apple Remote Desktop. The NeatWorks software would need to have code to access a remote scanner, either natively or using the Scanner Sharing feature of Mac OS X 10.6 (if that will support the USB scanner you're using).

Lightroom opens when I plug in USB scanner!

I have an annoying problem with Lightroom opening whenever I plug in my USB scanner! [Canon LiDE 80 scanner.] Can this be fixed?

http://www.adobeforums.com/cgi-bin/webx/.3bc351a6/4

USB scanner problems - it's there, then it's gone

Ok, I've seen this problem on other distros too, so Arch must have something in common with them, but I'm on Arch right now, so I'll try my luck here.
I have a Fujitsu USB scanner, sane installed, udev scanner rules file installed. My user is in the scanner and wheel groups.
lsusb finds it fine: Bus 004 Device 010: ID 04c5:10cf Fujitsu, Ltd
USB device looks right: crw-rw-r--+ 1 root scanner 189, 392 Oct 9 15:33 ./bus/usb/004/010
sane-find-scanner finds it fine: found USB scanner (vendor=0x04c5, product=0x10cf) at libusb:004:010
"scanimage -L" works just fine the first time: device `fujitsu:libusb:004:010' is a FUJITSU fi-4340Cd scanner
But only that time, then it fails to find one. If I strace the scanimage binary, it shows me where it's failing: ioctl(12, USBDEVFS_SETCONFIGURATION, 0x7fff94199eac) = -1 ETIMEDOUT (Connection timed out)
When it works the first time, that line of the strace output looks like this: ioctl(12, USBDEVFS_SETCONFIGURATION, 0x7fffc564cb3c) = 0
I even tried compiling libusb 1.0 into /opt/libusb and pointed sane at it, but same problem. I'm starting to think it's a kernel problem.
Ideas?

BTW, this is on a fresh install of Arch done yesterday: Linux groovy9 3.11.4-1-ARCH #1 SMP PREEMPT Sat Oct 5 21:22:51 CEST 2013 x86_64 GNU/Linux
For a plan B, if there's a straightforward way to custom compile my own kernel, I'd like to try a slightly older one to see if I have better luck. This same model of scanner is working fine on a 3.5 kernel, for example.
Last edited by groovy9 (2013-10-09 21:34:22)

USB scanner and OSX (HP Scanjet G2410)

Hi Everyone,
I have a USB scanner (HP G2410) that works perfectly well on my old mac.
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There are tutorials on how to scan without HP software for network All-In-Ones, but I have a USB scanner here. No printer no Network...
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Says here that Photosmart C4200 series is supported, both print & scanning.
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I don't know where you get your information but Apple doesn't claim "it just works with everything." No computer can truly make that claim. Apple does, however, provide a list of known compatible devices. Consulting this available information would help you avoid making a mistake by purchasing incompatible hardware.
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Hi,
I want to use sane on solaris 9 with a fujitsu ScanPartner 620C.
I've already installed sane and changed /kernel/drv/sgen.conf. When I run sane-find-scanner, the following appears:
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check that the scanner is plugged in, turned on and detected by the
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May you help-me with this problem?
tks,
Luis Falcao
([email protected])

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THX

1. The Visioneer 7100 is NOT supported by VueScan.
http://www.hamrick.com/vuescan/vuescan.htm#visioneer
2. Visioneer says: "This product is classified as END OF LIFE."
3. The last update to the "OneTouch 7100 Scanner Installation and Configuration Guide" was over 7 years ago on April 16, 2002.
http://support.visioneer.com/products/7100/downloads.asp
4. I think you need to buy a new scanner. The Visioneer 9520 is $90 USD. But, it is not supported by VueScan.
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lsusb | grep Brother
Bus 001 Device 004: ID 04f9:60e0 Brother Industries, Ltd
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# No USB scanners found. If you expected something different, make sure that
# you have loaded a kernel driver for your USB host controller and have setup
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scanimage -L
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Hi,
I want to use sane on solaris 9 with a fujitsu ScanPartner 620C.
I've already installed sane and changed /kernel/drv/sgen.conf. When I run sane-find-scanner, the following appears:
found SCSI scanner "FCPA ScanPartner 620C 2.02" at /dev/scsi/scanner/c1t4d0
# Your SCSI scanner was detected. It may or may not be supported by SANE. Try
# scanimage -L and read the backend's manpage.
# No USB scanners found. If you expected something different, make sure that
# you have loaded a driver for your USB host controller and have installed a
# kernel scanner module.
# Not checking for parallel port scanners.
# Most Scanners connected to the parallel port or other proprietary ports
# can't be detected by this program.
but when I run scanimage -L, the following error occurs:
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).
May you help-me with this problem?
tks,
Luis Falcao
([email protected])

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I thought macs were supposed to just work with stuff like scanners.
I have a Canon CanoScan N670U USB scanner and I plugged it into the Mac and nothing. It is supposed to get its power from the mac as well so its not lighting up or anything.
I've tried the USB ports on the rear and the one on the keyboard and no difference.
I also checked the Canon site for drivers for OS X but nothing stands out.
Any ideas?

That's right. the USB port on the keyboard is a secondary port that gets less power than the one directly on the computer. I've experienced this when using some types of USB flash memory pens. Some of them don't work when plugged into the keyboard but work fine plugged into the computer.
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You may then find that there are actually TWO components you need to download: one to drive the scanner itself, and another to use it (this is called Canoscan Toolbox, or something like that). You'll need to install both.
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I have recently inherited a POS web application. A client would like me to integrate a USB barcode scanner to do the following.
1. Scan customer number from a barcode
2. Automatically perform search for the customers information.
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metron9 wrote:
I am a newbe at java but from what I have learned so far, it looks like THREADS are what you need. Assigning the scanner interrupt code as the highest level thread.
On a microcontroller one would set up a hardware interrupt (pin change) and when the pin changed from high to low the interrupt code would be triggered. I think threads can do something similar.Nah

USB Scanner eject operation?

Hello
Sorry I'm newbie and don't know if We need to make any operation on Mac OSX before unplug a USB SCANNER...
Could we simply disconnect the USB plug ? Is ther any mounting/unmounting process like pendrives?
Thank you.

Hi Kappy and eww, thanks for your replies!
I need to hot-swap USB devices, without turn-off my MBP everytime and I don't know if this procedure will damage both sides if I repeat every time.
For example, mouses aren't powered devices then I imagine it's ok to hot-swap.
I made the same question to HP (I use HP 3570c scanner) and I'm waiting their answer.
I like Apple Discussions because seems so friendly geek lounge! Congratulations for all members!

Wie kann ich einen USB Scanner (Canon Lide80) an der AirPort Extreme netzwerkfähig machen und so ins Netzwerk einbinden, dass mehrere PCs Zugriff auf alle Funktionen haben?

Hallo zusammen,
Ich hoffe ihr könnt mir helfen.
Wie kann ich einen USB Scanner (Canon Lide80) an der AirPort Extreme netzwerkfähig machen und so ins Netzwerk einbinden, dass mehrere PCs Zugriff auf alle Funktionen haben?

Sorry, aber der USB-Anschluss an der AirPort Basisstation unterstützt nur grundlegende Druckfunktionen. Es unterstützt nicht das Kopieren, Faxen oder Scannen.

USB scanner permissions

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