The Story
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 properly it 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:Â 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
Description
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 properly it 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:Â 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
