HP LaserJet Black Developer Unit 8JM70A

The 8JM70A is a developer unit (not a toner cartridge) for certain HP LaserJet / Colour LaserJet printers.n laser printing, the developer unit is part of the internal mechanism that helps transfer and develop toner properlyit mixes/charges the toner particles before they get transferred onto paper.

This is an original OEM HP part (not third-party/aftermarket), which helps ensure compatibility and optimal print quality.

Specifications:

Typical yield:Up to 300 000 pages (ISO/IEC standard)

Print technology: Laser (Black)

Compatibility (some models): HP Color LaserJet Managed MFP / Flow-MFP series including E78223 / E78228 / E78325 / E78330