mark lewis wrote in a message to Roy J. Tellason:

 JB>> anyway. three pages should be enough that you can align two
 JB>> of them somwhow and get those lines to match up if drum
 JB>> damage is the cause.

 RJT> That's what I thought,  but there are 3 pages here and I
 RJT> can't line it up to make an exact match anywhere.

 ml> run yourself a couple of fresh sheets... enough so that you get 3
 ml> or 4 of those lines... then lay the paper down, end to end and
 ml> measure from one line to the next... if all the measurements come
 ml> out the same, it is likely that it is something on the drum...

Got three pages here,  the last that I'd printed out,  and the pattern is
different on all three of them.

 ml> you can also possibly measure the circumference of the drum by 
 ml> making a mark on its drive gear and then rolling it while measuring
 ml> with a flat ruler until the mark comes back around... picture a
 ml> gear driving a flat tray like a CDROM drive door...

I've not messed with the drum itself,  the whole assembly that pops out has
a number of drive gears in it.  I'm not terribly inclined at the moment to
take it further apart,  at least not just yet.  Maybe I'll get to that
point,  we'll see...

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