To jog or straighten a loose stack of paper sheets so that all edges are perfectly flush. Press operators do this by holding the stack loosely, trapping a cushion of air between the sheets, and repeatedly tapping the bottom or side edges against a table. This ensures the paper feeds evenly into the press without jamming or misregistering.
Heard on the job
Grab that pile from the cutter and knock it up before loading the feeder tray.
Insider tip
A skilled operator knocks up paper with a distinct rolling motion that forces air between the sheets, making them glide into alignment effortlessly.
Also heard as
- jog