HP LaserJet Enterprise M4555 - Part Numbers

10. Slide the duplexer into the product to install it.
11. Models with a stapler/stacker: Slide the stapler/stacker toward the product until it latches
into place to install it.
12. Models with a stapler/stacker: Reconnect the stapler/stacker connector.
ENWW
Paper feeds incorrectly or becomes jammed
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