Model Compatibility: Compatible with devices requiring drum units for models DRACO SI 411, 223, 283, 363, 423, 7628, 7728, 7828, AD289, and AD369.
Part Type: Replacement drum unit designed to match the form, fit, and function of the drum component used in the listed models.
Specification Match: Matches the dimensional, electrical, and mechanical specifications required for proper in the stated DRACO SI and AD-series devices.
Installation Note: Installs directly into the same location as the drum unit without modification to the device or need for additional tools or parts.
Functional Purpose: Restores full drum-related functionality in compatible devices when the existing drum unit reaches end-of-life or fails.