Bill, please read the FAQ for the EPSON backend on my site: http://www.freecolormanagement.com/sane/faq.html
You have to increase a timeout value in the kernel scanner driver - or use a newer kernel that automatically increases this timeout for EPSON scanners. Karl Heinz Bill Slade <bill.sl...@rmit.edu.au> said: > Hi all, > Perhaps someone can help me fix this problem. I have an Epson 1240 U Scanner. After doing all the configuration mentioned in the USB scanner FAQ and conecting the scanner to the USB port...I was all excited when it worked straight away....until I tried to scan at a resolution higher than 600dpi. Xsane choked and a dialog window "Error during read: Invalid argument" popped up. > > Doing a <<cat /proc/bus/usb/devices >> yields > > : 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=0000 ProdID=0000 Rev= 0.00 > S: Product=USB UHCI Root Hub > S: SerialNumber=3400 > 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 > T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 6 Spd=12 MxCh= 0 > D: Ver= 1.00 Cls=ff(vend.) Sub=ff Prot=ff MxPS=64 #Cfgs= 1 > P: Vendor=04b8 ProdID=010b Rev= 1.14 > S: Manufacturer=????? > S: Product=?????????????? > C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 2mA > I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=usbscanner > E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl= 0ms > E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl= 0ms > > The kernel complains withthe maintainer. > Jul 23 12:43:38 localhost kernel: scanner.c: read_scanner(0): funky result:- 32. > Please notify the maintainer. > Jul 23 12:43:38 localhost last message repeated 50 times > Jul 23 12:43:38 localhost kernel: sd_scanner(0): funky result:-32. Please notify the maintainer. > Jul 23 12:43:38 localhost kernel: scanner.c: read_scanner(0): funky result:- 32. > Please notify the maintainer. > Jul 23 12:43:38 localhost last message repeated 1168 times > > What is happening and what fixes it? Isit the backend or the USB driver that is the problem? Any help would be greatly appreciated. > > BTW - I am using RedHat 7.1 on a Compaq laptop with kernel 2.4.2-2. The scanner.o module is dated April 9, 2001. > > Cheers, > Bill > > > > > _______________________________________________ > Sane-devel mailing list > sane-de...@www.mostang.com > http://www.mostang.com/mailman/listinfo/sane-devel > --