I am about to
toss a couple of non-working HP LaserJet IIP
 printers. Does anyone need IIP parts like the paper tray, fusor,
 memory card, etc? 
 I don't suppose you'd know whether any of those are compatible with a
 IIISi?  That's what I've got...and I don't see anywhere obvious that
 describes compatability for such things. 
 
Doubtful.  The IIIsi and 4si share parts, but I'm pretty sure nothing
else does with a IIIsi.
Pat
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Purdue University ITAP/RCS        ---