Re: [sane-devel] multiple, identical scanners?

Jeremy Chacon writes: > Thanks, Allan, I'll try that too. Of course, this computer is isolated from > the internet (groan), making upgrades difficult, but not impossible! Seeing that you are using Perfection V600s I am pretty sure you are using the epkowa backend. If so, upgrading

Re: [sane-devel] multiple, identical scanners?

Ah, thanks Olaf, I am indeed using epkowa. I will update the iscan version. Much appreciated, Jeremy On Fri, Nov 13, 2015 at 3:32 AM, Olaf Meeuwissen wrote: > > Jeremy Chacon writes: > > > Thanks, Allan, I'll try that too. Of course, this computer is isolated >

Re: [sane-devel] multiple, identical scanners?

Hello, On Nov 10 14:09 Jeremy Chacon wrote (excerpt): ... sometimes gives an I/O Error ... In general "sometimes I/O Error" indicates that the root cause is somehow hardware related where "hardware" means the actual computer hardware plus the computer's built-in firmware (i.e. BIOS or UEFI)

Re: [sane-devel] multiple, identical scanners?

Hi Johannes, Thanks for your very thorough response! It turned out you were correct, it was a USB issue. The scanners that always worked were connected to USB 2.0 ports, while the scanners that gave trouble were always connected to USB 3.0 ports (xhci_hcd when I did lsusb). Putting all the

Re: [sane-devel] multiple, identical scanners?

You might find that a kernel and/or a sane-backends upgrade will help that problem. There have been usb improvements in both of those places in the past year. allan On Wed, Nov 11, 2015 at 4:49 PM, Jeremy Chacon wrote: > Hi Johannes, > > Thanks for your very thorough response!

Re: [sane-devel] multiple, identical scanners?

Thanks, Allan, I'll try that too. Of course, this computer is isolated from the internet (groan), making upgrades difficult, but not impossible! On Wed, Nov 11, 2015 at 4:17 PM, m. allan noah wrote: > You might find that a kernel and/or a sane-backends upgrade will help >

[sane-devel] multiple, identical scanners?

Hello, I have been using sane to scan with an Epson v600 Perfection. scanimage works great with one or two scanners connected, I simply have to identify the address with scanimage -L and then use the entire device address when choosing the correct scanner. However, we've now purchased two more