>> What's strange is that it NEVER happens on some large rolls, SOMETIMES
happens on others, and ALWAYS happens on others still -- QRS' "Wizard of Oz"
roll is one the these culprits! It never happens on small/medium size rolls at
all. <<

 This happens to me as well. Same roll, too. Standard double valve action too.
I've found that if you don't pump as hard toward the end, it won't stick. I
guess there's so few notes being played on this roll that the paper actually
freezes to the tracker bar because there's so much vacuum there. Could this be
a symptom of inside valve problems?

  E-mail from: Rick Pargeter, 18-Jan-1996