Here's a good one to digest. everything works fine on this unit except when stapling one corner of sheet. Have cleaned all the sensors in eject area and swapped some of them to see if they were bad. I believe the timing is off on this function because if I use the hole punch with stapling, it works fine. The code it gives is 012-159 which is for the eject sensor. I do not have any firmware for this unit so if someone has it or knows what is wrong, I would appriciate the help.

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