[sane-devel] Getting a Canon TS9120 scanner to be recognized

[Alexander Pevzner]

Hi Anton,

> Success!

Very good! :-)

> I got my TS9120 recognized by sane-airscan!  I ran make uninstall in the 
> sane-backends directory.  That eliminated all of sane files in usr/local 
> as far as I could tell.  I considered reinstalling sane-airscan but 
> instead just ran scanimage -L.  It found the scanner!  I cleaned up:  
> Deleted the sane-backends folder, scangearmp2, closed all the holes in 
> the firewall except for port 443 tcp.

You don't need to keep any ports open. Firewall is about incoming 
connections, outgoing connections are usually unrestricted by default.

> Xsane finds 4 Canon TS9100 scanners (ESCL https 443, http 80, 443, and  
> Airscan serial escl network scanner).  I can't complain about too much now.

Seems you have two backends installed: sane-escl from SANE and 
sane-airscan from me;

AirScan - this is my backend. ESCL - this is sane-escl. As your scanner 
exposes 3 endpoints, sane-escl shows it as 3 distinct devices, while 
sane-airscan merges all instances together, choosing the best endpoint 
automatically.

> At least on my system finding the scanner can take minutes most times. 
> It finds the scanners but sometimes returns with scanner out of memory.  

Please retest it separately with sane-escl and with sane-airscan.

sane-airscan should use significantly less memory that sane-escl.

> small observation:
> In windows, the scanner finds the windows computer, allowing the scanner 
> to initialize saving to computer, but that is not part of airscan, 
> apparently. Not needed; can attach to email or something else.

Yes, it is different mode. Linux lacks required infrastructure to 
implement such a mode (and I'm not sure if it actually useful).

-- 

	Wishes, Alexander Pevzner (pzz at apevzner.com)