HP 940c -- jamming problem

[mitcheroo]

HP 940c printer:

Looking at back of machine, with paper-path access panel removed, there
is a kind of small rubber pad that butts up against the bottom of the
rubber roller 2nd from left. Looks like it is mounted on some kind of
recessed actuator.

What does that do? What is it supposed to do? Paper jams at that
point, and roller just scrapes against the paper, no room for sheet to
move forward there. Malfunction? Design flaw?

 

[Jonathan Lowe]

HP 940c printer:

Looking at back of machine, with paper-path access panel removed, there
is a kind of small rubber pad that butts up against the bottom of the
rubber roller 2nd from left. Looks like it is mounted on some kind of
recessed actuator.

What does that do? What is it supposed to do? Paper jams at that
point, and roller just scrapes against the paper, no room for sheet to
move forward there. Malfunction? Design flaw?

It sounds like the seperation pad that your talking about, it's supposed
stop multiple sheets of paper from being fed through the printer. it's
supposed to pull down after the paper tray drops and one sheet has started
to go through. It maybe that the mechanism that pulls the seperation pad
down has failed somehow, if that's the case it's a full stripdown kind of
repair job, well at least get the covers off
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Cheers,
Jonathan Lowe
Printers Only