Collect and inspect random samples during print runs to identify any necessary adjustments.
Examine job orders to determine quantities to be printed, stock specifications, colors, or special printing instructions.
Verify that paper and ink meet the specifications for a given job.
Start presses and pull proofs to check for ink coverage and density, alignment, and registration.
Change press plates, blankets, or cylinders, as required.
Obtain or mix inks and fill ink fountains.
Feed paper through press cylinders and adjust feed and tension controls.
Load presses with paper and make necessary adjustments, according to paper size.
Secure printing plates to printing units and adjust tolerances.
Clean ink fountains, plates, or printing unit cylinders when press runs are completed.