E555-150-00 Encoder Disk Wheel
Fits Better Pack models BP555e, BP500, BP755e model gummed tape dispensers. Use care when removing the wheel during service work to avoid damaging the retainer tab. If the tab is broken, replace the wheel.
If your machine is not dispensing the proper amount of tape, make sure the reader is adjusted properly for the encoder disk. We generally 'square' up the reader to disk, making sure it's not at an angle when adjusted.