Well known problem with plenty of them out there. First of all , the shaft which a stapling unit moves on is not lubricated-greased on production line . So what needs to be done to get it working just lubricate the shaft and problem disappears. I have had to do at least 5 and all of them ok since.
Another common problem on the paper exit section , check the timing pulley (section 10 part 8 ) as in plenty of machines one of them is installed upside down , mostly the front one. As u may see on parts catalog they should be in the same position.
Another common problem on the paper exit section , check the timing pulley (section 10 part 8 ) as in plenty of machines one of them is installed upside down , mostly the front one. As u may see on parts catalog they should be in the same position.
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