[sane-devel] Epson Perfection 1650 vs RedHat 7.2: not seen?
I have just connected my new Epson Perfection 1650 scanner to my RedHat 7.2 system (linux 2.4.7), but it does not seem like the scanner is detected. I have added these lines to /etc/modules.conf: alias usb-controller usb-uhci The "usbcore" and "usb-uhci" modules are loaded according to lsmod. When I give the command "cat /proc/bus/usb/devices" (under root), I only get this: T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2 B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor= ProdID= Rev= 0.00 S: Product=USB UHCI Root Hub S: SerialNumber=d000 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= 8 Ivl=255ms I picked up somewhere that the vendor ID for Epson is 0x04b8 and that the product ID for the 1650 is 0x0110. So I tried the command "modprobe scanner vendor=0x04b8 product=0x0110", and the line kernel: scanner.c: USB Scanner support registered. appears in /var/log/messages, but /proc/bus/usb/devices still only displays the above paragraph. My understanding is that I should be seeing another paragraph with the line "Product=EPSON Scanner". Trying "modprobe scanner" without parameters gives the same result. I am using the stock RedHat kernel and modules. I have not recompiled any of parts of those. I have two USB connectors at the back of my machine. I tried both, without success (I removed the scanner module with rmmod, then connected the scanner to the other USB port, then gave the modprobe command again). When I disconnected the scanner from a USB port, the scanner made a high pitched "dzoot! dzoot!" sound, which sounds normal, I guess... The command "scanimage" from scan-backends 1.0.5 says "no SANE devices found". The only uncommented line in /etc/sane.d/epson.conf is "usb /dev/usb/scanner0". Moreover: # ls -l /dev/usb/scanner0 /dev/*scanner* /bin/ls: /dev/*scanner*: No such file or directory crw---1 ps root 180, 48 Aug 30 16:30 /dev/usb/scanner0 I tried "scanimage -d epson:/dev/usb/scanner0" (under root) and got this: scanimage: open of device epson:/dev/usb/scanner0 failed: Invalid argument Smarter users have succeeded with the 1650, so I suppose I'm not very far from the goal. Thanks for any help... -- Pierre Sarrazin
[sane-devel] Epson Perfection 1650 vs RedHat 7.2: not seen?
Dixit Karl Heinz Kremer (2002-01-24 21:36): > The scanner should show up in 'cat /proc/bus/usb/devices' even > when no scanner driver is loaded. I suspect that something is > wrong with your cable. You write that you tried both ports, > can you also try a different cable? I am ashamed to say that I simply forgot that the USB function was disabled in the BIOS settings... After I enabled it, the scanner showed up in 'cat /proc/bus/usb/devices' and the command modprobe scanner vendor=0x04b8 product=0x0110 succeeded. I was then able to scan an image by saying scanimage > image.pnm The resolution is low, but I suppose I'll find a way to increase it. Sorry for wasting your time... -- Pierre Sarrazin
[sane-devel] Epson 1650: set_scan_area failed: Invalid argument
In the last month or so, I stopped being able to use my Epson Perfection 1650 scanner from xsane. The 'scanimage' command still works however. I start xsane (0.86) from the command line and I can see the largest button on the scanner flicker a bit. When I click Start (with parameters Viewer/Color/Full range/100/1.00/0.0/0.0), I get a dialog box that says: Failed to start scanner: Invalid argument I did see the large button flicker again. This seems to be a frequently reported error message. I tried again with SANE_DEBUG_EPSON=3 and got this: [sanei_debug] Setting debug level of epson to 3. [epson] sane_init: sane-backends 1.0.8 [epson] SANE Epson Backend v0.2.21 - 2002-04-22 [epson] attach: opening usb /dev/usb/scanner0 [epson] send buf, size = 2 [epson] send buf, size = 2 [epson] typeB 0x42 [epson] level 8 0x38 [epson] no option equipment installed [epson] resolution (dpi): 50 : : [epson] resolution (dpi): 3200 [epson] maximum scan area: x 27200 y 37440 [epson] send buf, size = 2 [epson] send buf, size = 1 [epson] Max. supported color depth = 16 [epson] send buf, size = 2 [epson] Focus position = 0x40 [epson] Enabling 'Set Focus' support [epson] send buf, size = 2 [epson] Preview = 0 [epson] Resolution = 50 : : [epson] sane_start: set_gamma( s, 0x2 ). [epson] send buf, size = 2 [epson] send buf, size = 1 [epson] sane_start: set_color_correction( s, 0x80 ) [epson] send buf, size = 2 [epson] send buf, size = 1 [epson] send buf, size = 2 [epson] send buf, size = 4 [epson] Preview = 0 [epson] Resolution = 100 [epson] get para 0x80f03b0 0x80f0a58 tlx 215.84 tly 43.794632 brx 215.84 bry 297.179977 [mm] [epson] set_scan_area: 0x80f03b0 850 172 0 997 [epson] sane_start: set_scan_area failed: Invalid argument [epson] Preview = 0 [epson] Resolution = 100 [epson] get para 0x80f03b0 0x80f0a58 tlx 215.84 tly 43.794632 brx 215.84 bry 297.179977 [mm] Other information: RedHat 7.2 gcc 2.96 glibc 2.2.4 Linux 2.4.18 i686 $ rpm -qa | grep -i sane | sort sane-backends-1.0.8-1.ximian.1 sane-backends-devel-1.0.8-1.ximian.1 sane-frontends-1.0.8-1.ximian.1 xsane-0.86-1.ximian.1 xsane-gimp-0.86-1.ximian.1 (Obtained and installed by Ximian Red Carpet 1.3.) $ grep -v '^#' /etc/sane.d/epson.conf usb /dev/usb/scanner0 $ ls -l /dev/usb/scanner0 crw---1 ps users180, 48 avr 11 2002 /dev/usb/scanner0 $ sane-find-scanner | grep -v '^#' | grep -v '^$' sane-find-scanner: found USB scanner (vendor = 0x04b8, product = 0x0110) at device /dev/usb/scanner0 I tried with xsane 0.88 (using an RPM I compiled myself from the .spec file provided in the source tarball) and 0.83 but the result was the same. This scanner has worked very well until about a month ago. I can provide more details if needed. Thanks. -- Pierre Sarrazin
