When the machine operates, a mailer goes into the front of the machine, hits a tab/wafer seal. The wafer seal is folded in 1/2 by the bottom metal plate of the machine and the white plastic tab folds over the top 1/2. a foam roller then presses the tab firmly to the mailer.
The video below shows you how to replace the sweep
Do you have the KT that only applies 1″ tabs and need to apply 1.5″ tabs? Consider upgrading! Accufast KT1.5 Dual Mode Tabber for 1.5 inch tabs! Or have your machine upgraded.
Tired of applying one tab at a time? Apply 2 with the Accufast KT2 Double Tabber