bIZHUB 423 TRAY 1

[jonpaul]

We have a biz 423 where tray 1 is giving problems.Tray 2 and bypass work fine,so eliminating everything apart from tray 1 transport.Replaced this with new unit still unreliable refurbed trans fer unit changed tray and fuser still no joy.Anyone else had the same problem,running out of ideas.Thanks for any replies.

[allan]

Loop adjustment?
Jam code?

[Synthohol]

does the feed unit have the extra sensor the slower models dont? its supposed to.
one of our guys swapped tray 1 feed unit with one from a 363 and got constant jams.
turns out the 423 has an extra paper timing sensor the others dont.
who knew? LOL