Tend machines that seal envelopes and print postage onto envelopes.
What does a Sealing and Canceling Machine Operator do?
Tends machine that automatically seals envelopes and prints postage and postmark onto envelopes or tape to be affixed onto packages: Turns indicator dials to specified letters and numbers to be printed. Starts machine and positions envelopes onto feed tray or secures roll of tape on machine spindles. Removes postmarked envelopes or tape. May weigh articles to determine required postage, using scale and postal code book. May be designated according to particular function as Canceling-Machine Operator; Envelope-Sealing-Machine Operator; Stamping-Machine Operator.