Customer has an AD1 finisher on an ir5050n that's making loud grinding noises (according to customer) when changing from upper tray to lower tray. I've been out twice for this and can't reproduce the problem - even when putting a few hundred sheets on the upper tray for added weight. The vertical channel gear and tray gears are well lubed with white lithium grease and everything looks and moves fine when I test it.
Are there any common problems on these finishers that could cause this?
Are there any common problems on these finishers that could cause this?
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