The E55504801 Solenoid Shelf Assembly (115V) is a critical electromechanical component used on Better Packages BP555e series and BP500 water-activated (gummed) tape dispensers. This solenoid controls tape feeding and cutting by lifting the blade and bringing the feed wheels together when energized.
When the solenoid receives voltage, it raises the cutting blade and engages the feed wheels to advance tape. When the solenoid deactivates, the blade drops and cuts the tape.
If the solenoid buzzes, it may be due to debris, adhesive buildup, or mechanical blockage. Inspect and clean the plunger area to remove tape adhesive, dust, or foreign material before replacing the part.
Low voltage on the same power circuit can also cause buzzing or weak mechanical action. If the voltage drops too low because multiple electrical items share the same circuit, the solenoid may draw extra current, overheat, and eventually be damaged.
Confirm your machine model and power configuration. Installing the wrong solenoid can lead to immediate failure or poor performance.
If you are unsure whether this solenoid is correct for your machine, send us your model details and a photo of your machine’s data plate. We stock parts and provide service support for Better Packages tape dispensers.