canon imagerunner advance c3325i g1 finisher issues

[n25an]

a couple issues... when finisher installed in the machine... the following occurs
machine boots...
you make a copy...
copy comes out... finisher starts making a banging noise...

with finisher not installed machine runs beautifully...

once finisher not installed...
tech began testing finisher...
noticed the following...
1. the belt on the bottom of finisher... can be made to produce the banging sound...( the belt that drives the stapler unit back and forth...)
2. stapler unit will not move except for a small distance...
3. I can get it to move further by positioning the stapler unit so it passes through the paper catches... but only to a certain point and no further...

tech got so caught up in troubleshooting... forgot to write down error code ...

tech is wondering the following...
1. is there a release button so the stapler unit moves freely...?
2. could the stapler unit have gone off some kind of railing system... it keeps hitting the metal catch for the paper...???

first time messing with canon finishers...
any ideas would be appreciated...???

[teckat]

Measures to Prevent an Abnormal Sound from the Staple Assembly and a Staple Failure ---2015

Measure to Prevent E532-800x, Abnormal Noise and Stapling Position Failures---2017
Measures to Prevent a Wrong Stapling Position or 1C14 Jam with an Abnormal Sound (Rasping Sound)--2015

[n25an]

bless you...

Measures to Prevent an Abnormal Sound from the Staple Assembly and a Staple Failure ---2015

Measure to Prevent E532-800x, Abnormal Noise and Stapling Position Failures---2017
Measures to Prevent a Wrong Stapling Position or 1C14 Jam with an Abnormal Sound (Rasping Sound)--2015

[teckat]

bless you...

Thanks_Pizza Man .jpg hope it works out