10 each Genuine HP 51645A / HP45A Black Inkjet For Commercial Industrial Use | eBay
Amazon.com: Original HP 45 Black Ink Cartridge | Works with select HP DeskJet, DesignJet, OfficeJet, OfficeJet Pro, PhotoSmart, Color Copier, Fax Series | 51645A : Office Products
Amazon.com: TCT Premium Compatible Toner Cartridge Replacement for HP 45A Q5945A Black Works with HP Laserjet M4345XS M4345XM 4345 4345XM 4345X 4345XS Printers (20,000 Pages) : Office Products
Compatible Toner Cartridge for HP 45A Black, 18,000 Page Yield (Q5945A) — Toner Graphics