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Jacket

The paper cover sometimes called the "dust cover" of a hardbound book.

Job Number

A number assigned to a specific printing project in a printing company for use in tracking and historical record keeping.

Job Ticket

Form used by service bureaus, separators and printers to specify production schedule of a job and the materials it needs. Also called a docket, production order, and work order.

Jog

To vibrate a stack of finished pages so that they are tightly aligned for final trimming.

Jogger

A vibration machine with a slopping platform to even-up stacks of printed materials.