Hi Henning, thanks for all the great help! I will include your corrections and put this paper on my web page so it can be a referanced URL. It will be like www.zianet.com/k5di/usb/ by tomorrow.
On Mon, 18 Nov 2002, Henning Meier-Geinitz wrote: > Hi, > > On Sun, Nov 17, 2002 at 04:04:20PM -0700, Karl F. Larsen wrote: > > > > Hi Gang, this is expected to work with the Linux systems > > defined. If you see errors please note them to me. > > I'm only commenting on topics that are not already mentioned by others. > > > If the scanner you have has a USB cable that plugs into the > > computer, and if your computer has a plug for it to plug into, this paper > > will tell you how to make certain that the software called Sane on your > > Linux operating system can find > > Ok. > > > and use your scanner. > > That's to strong in my opinion because "using" means for me that the > scanner scans. So a backend must exist. Maybe write "can be identified > by SANE". > > And even this is not true for scanners thatdon't have a bulk-out > endpoint, see my previous comments. Some USB scanners also use the > SCSI-over-USB kernel drivers. > > > Next your Sane. You should have a recent version of this software. > > To find out what you have, run this simple test. In an Xterm window type > > scanimage --version. This will print out the backend version and it needs > > to be 1.0.7 or higher to work well with a USB scanner. If your version is > > older you need to install the latest version from > > Use 1.0.9. Don't recommend anything else. The older versions support > less USB scanners. > > > In terms of the Red Hat Linux, version 7.3 or higher will fully > > support running a USB scanner. An earlier version might require both a > > kernel and Sane upgrade. > > See above. Maybe write "you can try older versions, but before giving > up, try the latest". > > > Plug your scanner into the computer and turn it on. Notice the Name > > of your scanner and it's model number. Now in an Xterm window at the command > > line do this: > > > > cat /proc/bus/usb/devices <Enter> > > > > This lists all the data about your USB ports. > > USB devices, not only ports. > > > Here is a copy of my computer's setup: > > [...] > > > T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 0 > > D: Ver= 1.10 Cls=ff(vend.) Sub=00 Prot=ff MxPS= 8 #Cfgs= 1 > > P: Vendor=04b8 ProdID=010f Rev= 1.00 > > S: Manufacturer=EPSON > > S: Product=EPSON Scanner 010F > > C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 2mA > > I: If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=ff Driver=(none) > > E: Ad=81(I) Atr=03(Int.) MxPS= 1 Ivl=16ms > > E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms > > E: Ad=03(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms > > > > I have an Epson model Perfection 1250 scanner and you can see that > > this printout is correct for an Epson. > > Not all scanners show up with their Vendor and product names. > > Example: > T: Bus=01 Lev=02 Prnt=02 Port=01 Cnt=01 Dev#= 5 Spd=12 MxCh= 0 > D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 > P: Vendor=055f ProdID=021d Rev= 1.00 > S: Product=USB Scanner > C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=500mA > I: If#= 0 Alt= 0 #EPs= 2 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= 64 Ivl=0ms > (Mustek BearPaw 2400 CU Plus) > > > Notice at the second P: is listed a number called Vender=04b8 which > > means Epson. ProdID=010f which means model Perfection 1250 are the 2 > > numbers we need to set up Sane so it can find the scanner. > > The numbers are needed to set up the Linux kernel driver. > > > The numbers need to be changed to exact Hex numbers so instead of > > 04b8 it is written 0x04b8 and 010f is written 0x010f. We will use these > > numbers with the scanner module to set up a working scanner. It's assumed > > you have scanner as a module on your Linux. > > Maybe: "It's assumed your scanner driver is compiled as a module." > > > To load the module with the scanner numbers in place we use modprobe > > and we must be in an xterm window as root. > > root is true, but just write shell, no need for X or even xterms :-) > > > To do this type su - and when it > > asks for your password type that in. You will see the prompt turn to # and > > you will be in the /root directory. Now type in the following: > > > > modprobe vendor=0x04b8 product=0x010f > > > > but instead of my numbers put in your scanners numbers. It should take a > > second to do it's job and then stop without any error messages. > > Add that you should try rmmod scanner first to make sure, that the > module wasn't loaded before. You will get no error message if you do > the modprobe but the options will be ignored if the module is already > loaded. > > > If you get an error message you didn't type it in right. > > Also having a look at the syslog may help. > > > Now to see if Sane can find the scanner. For this we use the tool > > that comes with Sane called "sane-find-scanner". In an xterm window type in: > > xterm, see above. > > > sane-find-scanner > > > > My Linux came back with this: > > > > # Note that sane-find-scanner will find any scanner that is connected > > # to a SCSI bus and some scanners that are connected to the Universal > > # Serial Bus (USB) depending on your OS. It will even find scanners > > # that are not supported at all by SANE. It won't find a scanner that > > # is connected to a parallel or proprietary port. > > > > sane-find-scanner: found USB scanner (vendor = 0x04b8, product = 0x010f) at > > device /dev/usb/scanner0 > > > > Notice the last 2 lines that begin "sane-find-scanner:". > > Newer versions of sane-find-scanner won't print the "sane-find-scanner": > found USB scanner (vendor=0x055f, product=0x021d [USB Scanner]) at > libusb:001:005 > > > It says Sane has > > found our scanner because it gives the proper vendor and product numbers for > > my scanner. > > If it doesn't work, try as root (permissions!). > > > At this point your scanner will probably not work yet but your sure > > that Sane can find your scanner. Your more than 1/2 toward a working > > scanner in Linux. > > If your scanner is supported by a backend at all... > > > To use the scanner you will want to load the module scanner each > > time you turn on your Linux. There are several ways to do this but the most > > straight forward way is to load scanner from the file /etc/rc.d/rc.local. > > This file on my computer looks like this: > > > > #!/bin/sh > > # > > # This script will be executed *after* all the other init scripts. > > # You can put your own initialization stuff in here if you don't > > # want to do the full Sys V style init stuff. > > > > touch /var/lock/subsys/local > > > > # This turns on the scanner module with the Epson scanner > > > > insmod scanner >/dev/null > > > > It's the insmod scanner that loads the module. Now we want to load the > > vendor and product numbers. > > ...specify the vendor and product numbers... > > > This is done in the file /etc/modules.conf. Mine > > looks like this: > > I'm not sure if it makes sense to show all the unrelated lines. Maybe > too confusing. > > > alias parport_lowlevel parport_pc > > alias eth0 8139too > > alias sound-slot-0 es1371 > > post-install sound-slot-0 /bin/aumix-minimal -f /etc/.aumixrc -L >/dev/null > > 2>&1 || : > > pre-remove sound-slot-0 /bin/aumix-minimal -f /etc/.aumixrc -S >/dev/null > > 2>&1 || : > > alias usb-controller usb-uhci > > options scanner vendor=0x4b8 product=0x010f > > > > Notice the last line which is what I added. To make that line active as root > > you need to use a tool that reads the file and does what it says to do. This > > tool is called "depmod" and you use it this way: > > > > #depmod -a > > > > It will take several seconds and then just stop. > > Technically, that's not correct. "options scanner..." will work > without depmod, but it's ok to avoid a warning message so I'm just > nitpicking here. > > > Testing the setup is easy and takes little time. Remove the scanner > > module from the kernel with rmmod scanner. Then run sane-find-scanner and > > see it can't find it. Then use modprobe scanner to re-load it and again run > > sane-find-scanner and observe it again finds it. > > This is a test for modules.conf but not for rc.local. Again, I'm > nitpicking. > > When it's ready, can you put your text on a webpage? > > Bye, > Henning > _______________________________________________ > Sane-devel mailing list > sane-de...@www.mostang.com > http://www.mostang.com/mailman/listinfo/sane-devel > > -- - Karl Larsen k5di Las Cruces,NM Az ScQRPions -
