[sane-devel] trying to get a Benq4300U USB scanner working .....
m. allan noah
anoah at pfeiffer.edu
Sun Dec 3 17:29:41 CET 2006
as root:
SANE_DEBUG_SNAPSCAN=10 scanimage -L
you should get snapscan backend messages as part of that output. if not,
check dll.conf to make sure snapscan is being loaded.
allan
On Sat, 2 Dec 2006, Michael Fothergill wrote:
>
> Dear sane people,
>
>
> I have tried to get my scanner to work a number of times under
> Fedora Core 6 on my machine (1200 MHz Athlon) but have not
> succeeded.
>
> I am now trying with Debian on the same machine on a second drive.
>
> It is pretty recalcitrant and it may still not work but I will post
> some of my efforts here and if you would make suggestions I would be
> grateful.
>
> What is REALLY sad is that if I can't succeed I will have to wipe
> Fedora off and reinstall Windows 98 just so I can scan images.
>
> Yikes....
>
> The other alternative is to go to the library and use the scanner
> there. I would still be using Windows but at least not on my own
> machine.
>
> OK. Here goes.
>
> As you can see I have edited the snapscan.conf file that lives in
> /etc/sane.d and bunged in the driver for the scanner I use and the
> device directory /dev/usb/scanner0.
>
> more snapscan.conf
> #------------------------------ General
> #-----------------------------------
>
> # Change to the fully qualified filename of your firmware file, if
> # firmware upload is needed by the scanner
> firmware /home/mikef/benq4300/u222v067.bin
>
> # If not automatically found you may manuaully specify a device
> name.
>
> # For USB scanners also specify bus=usb, e.g.
> # /dev/usb/scanner0 bus=usb
>
> # For SCSI scanners specify the generic device, e.g. /dev/sg0 on
> Linux.
> # /dev/sg0
>
> #---------------------------------------------------------------------------
> # No changes should be necessary below this line
> #---------------------------------------------------------------------------
>
> #-------------------------- SCSI scanners
> ----------------------------------
> # These SCSI devices will be probed automatically
> scsi AGFA * Scanner
> scsi COLOR * Scanner
> scsi Color * Scanner
> scsi ACERPERI * Scanner
>
> #--------------------------- USB scanners
> -----------------------------------
> # These USB devices will be probed automatically
> # (This will currently work only on Linux)
>
> # Benq/Acer/Vuego 310U
> usb 0x04a5 0x1a20
> usb 0x04a5 0x1a26
>
> # Benq/Acer/Vuego 320U
> usb 0x04a5 0x2022
>
> # Benq/Acer/Vuego 620U / 620UT
> usb 0x04a5 0x1a2a
> usb 0x04a5 0x2040
>
> # Benq/Acer/Vuego 640U
> usb 0x04a5 0x2060
>
> # Benq/Acer/Vuego 640BU
> usb 0x04a5 0x207e
>
> # Benq/Acer/Vuego 640BT
> usb 0x04a5 0x20be
>
> # Benq/Acer/Vuego 1240U
> usb 0x04a5 0x20c0
>
> # Benq/Acer/Vuego 3300 / 4300
> usb 0x04a5 0x20b0
>
> # Benq/Acer/Vuego 4300
> usb 0x04a5 0x20de
>
> # Benq/Acer/Vuego 5000
> usb 0x04a5 0x20fc
>
> # Benq/Acer/Vuego 5300
> usb 0x04a5 0x20fe
>
> # Agfa 1236U
> usb 0x06bd 0x0002
>
> # Agfa 1212U
> usb 0x06bd 0x0001
> usb 0x06bd 0x2061
>
> # Agfa Snapscan e10
> usb 0x06bd 0x2093
>
> # Agfa Snapscan e20
> usb 0x06bd 0x2091
>
> # Agfa Snapscan e25
> usb 0x06bd 0x2095
>
> # Agfa Snapscan e26
> usb 0x06bd 0x2097
>
> # Agfa Snapscan e40
> usb 0x06bd 0x208d
>
> # Agfa Snapscan e42
> usb 0x06bd 0x20ff
>
> # Agfa Snapscan e50
> usb 0x06bd 0x208f
>
> # Agfa Snapscan e52
> usb 0x06bd 0x20fd
>
> # Epson Perfection 660
> usb 0x04b8 0x0114
>
> # Epson Perfection 1670
> usb 0x04b8 0x011f
>
> # Epson Perfection 2480
> usb 0x04b8 0x0121
> mikef at spc2-burn3-0-0-cust329:/etc/sane.d$
>
>> OK, now let's try to detect it. I have changed my user group to include
>> the scanner group.
>>
>> Apparently you are supposed to do this.
>>
>> But I am logged in as root at the terminal I am showing now to help ease
>> things.
>>
>>
>>
> spc2-burn3-0-0-cust329:/proc/bus/usb/002# sane-find-scanner
>
> # sane-find-scanner will now attempt to detect your scanner. If
> the
> # result is different from what you expected, first make sure your
> # scanner is powered up and properly connected to your computer.
>
> # 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=0x04a5, product=0x20b0) 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.
>
>
>> It looks like it has found it. But don't get too excited.
>>
>> Let's try something else;
>>
> 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).
>
>> Hmmm.. It can't find it now. I think if it is a USB device I once read
>> somewhere that scanimage -L might not work so easily c.f. SCSI in this
>> situation.
>>
>> Comments please.
>
> OK, let's rock the joint and run cat /proc/bus/usb/devices:
>
> spc2-burn3-0-0-cust329:/proc/bus/usb/002# cat /proc/bus/usb/devices
>
>>
>> T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 3
>> B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
>> D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
>> P: Vendor=0000 ProdID=0000 Rev= 0.00
>> S: Product=USB OHCI Root Hub
>> S: SerialNumber=cf902000
>> C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
>> I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
>> E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms
>> T: Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 0
>> D: Ver= 1.00 Cls=ff(vend.) Sub=ff Prot=ff MxPS= 8 #Cfgs= 1
>>
>> Don't get too excited nbut I think this line here is the scanner stuff but
>> it doesn't say scanner found so maybe there is still a problem here
>> comments please....
>>
>> P: Vendor=04a5 ProdID=20b0 Rev= 1.20
>>
>> C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr=100mA
>> I: If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
>> E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
>> E: Ad=02(O) Atr=02(Bulk) MxPS= 8 Ivl=0ms
>> E: Ad=83(I) Atr=03(Int.) MxPS= 8 Ivl=16ms
>> T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 3
>> B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
>> D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
>> P: Vendor=0000 ProdID=0000 Rev= 0.00
>> S: Product=USB OHCI Root Hub
>> S: SerialNumber=cf879000
>> C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
>> I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
>> E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms
>> T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 3 Spd=12 MxCh= 0
>> D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
>> P: Vendor=04b8 ProdID=0005 Rev= 1.00
>> S: Manufacturer=EPSON
>> S: Product=USB Printer
>> S: SerialNumber=HU22T0511260429380
>> C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 2mA
>> I: If#= 0 Alt= 0 #EPs= 2 Cls=07(print) Sub=01 Prot=02 Driver=usblp
>> E: Ad=01(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
>> E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
>> spc2-burn3-0-0-cust329:/proc/bus/usb/002#
>>
>> OK, now what about all that libusb stuff?
>>
>> Here goes:
>> spc2-burn3-0-0-cust329:/proc/bus/usb/002# ls -l
>> total 1
>> -rw-rw-rw- 1 root root 18 2006-12-02 03:23 001
>> -rw-rw---- 1 root scanner 18 2006-12-02 02:46 002
>> spc2-burn3-0-0-cust329:/proc/bus/usb/002# pwd
>> /proc/bus/usb/002
>> spc2-burn3-0-0-cust329:/proc/bus/usb/002# cd ../001
>> spc2-burn3-0-0-cust329:/proc/bus/usb/001# ls -l
>> total 1
>> -rw-r--r-- 1 root root 18 2006-12-02 03:23 001
>> -rw-rw-rw- 1 root root 18 2006-12-02 03:23 003
>> spc2-burn3-0-0-cust329:/proc/bus/usb/001# cd 003
>> bash: cd: 003: Not a directory
>> spc2-burn3-0-0-cust329:/proc/bus/usb/001# ls -l
>> total 1
>> -rw-r--r-- 1 root root 18 2006-12-02 03:23 001
>> -rw-rw-rw- 1 root root 18 2006-12-02 03:23 003
>> spc2-burn3-0-0-cust329:/proc/bus/usb/001# cd 001
>> bash: cd: 001: Not a directory
>> spc2-burn3-0-0-cust329:/proc/bus/usb/001# cd ..
>> spc2-burn3-0-0-cust329:/proc/bus/usb# ls
>> 001 002 devices drivers
>> spc2-burn3-0-0-cust329:/proc/bus/usb# cd 002
>> spc2-burn3-0-0-cust329:/proc/bus/usb/002# ls -l
>> total 1
>> -rw-rw-rw- 1 root root 18 2006-12-02 03:23 001
>> -rw-rw---- 1 root scanner 18 2006-12-02 02:46 002
>> spc2-burn3-0-0-cust329:/proc/bus/usb/002# cd 002
>> bash: cd: 002: Not a directory
>> spc2-burn3-0-0-cust329:/proc/bus/usb/002# ls -l
>> total 1
>> -rw-rw-rw- 1 root root 18 2006-12-02 03:23 001
>> -rw-rw---- 1 root scanner 18 2006-12-02 02:46 002
>> spc2-burn3-0-0-cust329:/proc/bus/usb/002# cd ..
>> spc2-burn3-0-0-cust329:/proc/bus/usb# ls
>> 001 002 devices drivers
>> spc2-burn3-0-0-cust329:/proc/bus/usb# cd 001
>> spc2-burn3-0-0-cust329:/proc/bus/usb/001# ls -l
>> total 1
>> -rw-r--r-- 1 root root 18 2006-12-02 03:23 001
>> -rw-rw-rw- 1 root root 18 2006-12-02 03:23 003
>> spc2-burn3-0-0-cust329:/proc/bus/usb/001# pwd
>> /proc/bus/usb/001
>>
>>
>> I seem to go round in circles with those directories because they all look
>> the same. I am always paranoid I haven't speared every one of them.
>>
>> Is this good enough?
>>
>> What about changing the ownership and groups from root to user?
>>
>> I am root now so shouldn't this be OK?
>>
>> OK. Now for the grand finale.
>>
>>
>> Let's try to run xsane and fail miserably.
>>
>> Here goes:
>>
>> spc2-burn3-0-0-cust329:/proc/bus/usb/001# /usr/bin/xsane
>> Xlib: connection to ":0.0" refused by server
>> Xlib: No protocol specified
>>
>>
>> (xsane:8980): Gtk-WARNING **: cannot open display:
>> spc2-burn3-0-0-cust329:/proc/bus/usb/001#
>>
>> Terrible. It won't even start? Any suggestions?
>>
>> Let's try running xsane as a user now:
>>
>> It dies.
>>
>> The error message says no devices available.
>>
>> But I think I can play with the scanner detection commands to make the
>> xsane see the scanner as a user but then crash at the end I think with a
>> libusb problem. Let's see if I can tweak it to do this.
>>
>> Here goes.
>>
>> I tried but I can't seem to get any further with it. I just get the no
>> devices error again.
>>
>> Suggestions on getting further with it appreciated.
>>
>>
> Michael Fothergill
>
> P.S. I tried Vuescan linux version and it worked immediately. But it is
> proprietary software.....
>
> _________________________________________________________________
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>
>
>
--
"so don't tell us it can't be done, putting down what you don't know.
money isn't our god, integrity will free our souls" - Max Cavalera
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