It sounds like you need to replace the pickup rollers.  I checked on Ebay
for HP Laserjet III and found an auction for rollers and full instructions
on replacment.  Also, you can go to http://www.fixyourownprinter.com/ where
they sell a kit with instructions (not an endorsement.)

Tony Mayer
Sysop
The Magic FunHouse BBS
http://bbs.magicom.net


David G Nasser wrote:
 > Re: HP LJ III Paper jam problem
 >
 > I run an old HP Laserjet III on my desktop system at
 > home.
 >
 > Just recently I get "13 Paper Jam" error when attempting
 > to print.
 >
 > The problem appears to involve the Pick Up Roller. I
 > have cleaned it with alcohol, ruffed it up with first
 > 400 then 80 grit sandpaper.
 >
 > It'll still print a little if I manually feed a sheet
 > or elevate the paper tray a little with a wedge.
 >
 > Is anyone out there intimate with the care and feeding of
 > such ancient, ancient beasties? Does it seem likely that I
 > just need to replace the Pick Up Roller or is the plot
 > likely to thicken? If the former, how do I get the thing
 > apart (I have no manual) to replace the roller?
 >
 > Mark Bennett (a good, good fella), are you still out there? :-)
 >
 > Any/all help much appreciated.
 >
 >   Cheers,
 >   David
 >
 > *-----------------------------------------------------------------*
 > *- David Nasser                         [log in to unmask]  -*
 > *-----------------------------------------------------------------*

        The NOSPIN Group provides a monthly newsletter with great
       tips, information and ideas: NOSPIN-L, The NOSPIN Magazine
           Visit our web site to signup: http://freepctech.com