Question about the ADF of a scanner.

[Dan Jenkins]

Michael ODonnell wrote:
>> feed rollers on some scanners and printers.  Basically, they
>> get glazed and cannot pull the paper.  Cleaning the feed rollers
>> helps sometimes.  Typically I use alcohol to clean them and then,
>> if I'm still having a problem, a very, very mild abrasive
>>     
> I'll second that and as an aside I'll comment (having
> run printing presses and mail processing equipment in a
> previous life) that automated paper handling is a problem
> that gets %0.01 of the respect it deserves.  Considering the
> essentially infinite combination of infuriatingly subtle
> variables (static electricity, fiber quality, temperature,
> moisture [ambient as well as absorbed], friction coefficients,
> roller degradation, fouling by dust/grease/fibers, etc, etc)
> it's a fscking miracle printers work at all, never mind that
> most of the time you don't even have to think about them.
>   
Amen. I've worked in & out of the printing & publishing industry for 
about thirty years. Good pressmen have amazed me getting good print out 
of poor ink and lousy paper and quirky presses.