HP LaserJet ADF Maintenance Kit

The HP LaserJet ADF Maintenance Kit (6H121A) is a maintenance part for an HP printer’s automatic document feeder. HP lists it in the Fuser/Maintenance Kits subgroup, identifying it as a printer maintenance supply rather than a toner cartridge.

HP describes its maintenance kits as helping keep a printer in working condition and supporting print quality. This kit is intended for maintenance of the ADF system; the published product information does not specify compatible printer models or the kit’s individual components.