[GreenKeys] 15 printer question

[Pete Lancashire]

A 15 I acquired has a lot of scratches between the 5 bell cranks that drive
the code bars and their mounting plate

https://photos.app.goo.gl/wgSzxaAyj9IndOXm2


The view of the unit

https://photos.app.goo.gl/MlCp4WURknBtHNJi2


Anyone know the reason ? It is the first time I've seen it.

-pete
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