Re: [Leica] Problem with Cannon Scanner

[Mike Durling <durling@cox.net>]

The cylinders are probably ferrite material to keep the signals in the 
wires from radiating as radio waves and interfering with your tv.  The 
generic cables should work just fine without them.

Mike D..LUGnerd

Herbert Kanner wrote:
> Possibly some computer nerd in the LUG can help.  My CanoScan N676U has 
> suddenly developed a mildly annoying malfunction.  When I press the 
> software "scan" button, a panel comes up announcing that the USB cable 
> is probably disconnected. A temporary cure is effected by unplugging and 
> re-plugging the cable at the scanner end; doing it at the other (hub) 
> end doesn't help.  This "cure" last for the next one to three scans, 
> after which the problem reappears.
> 
> Since the stupid thing only cost $100, it is not worth repairing--it's 
> just a simple flat-bed scanner more than good enough for a) copying 
> documents, and b) putting color prints up on the web.
> 
> I was considering the possibility of some kind of flakiness in the USB 
> cable and went to price replacements.  They ranged from $9 to $19, 
> depending on the brand, but they were all straightforward cables with an 
> "A" connector at one end and a "B" connecter at the other. The cable 
> that came with the scanner has a plastic cylinder at each end of the 
> cable, about two inches from the connectors, a cylinder that is about 1 
> 1/2 inches long and a bit under 1/2 inch in diameter. Does anyone know 
> what the heck these cylinders are and whether they are of importance?
> 
> Herb

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