Genuine HP 42A Standard Capacity Black Toner Cartridge - Q5942A model_26 This is an original HP

This is an original HP 766 300-ml Magenta DesignJet Ink Cartridge

Brother HL 6050D

HP Photosmart C5390

and tested

Genuine HP 42A Standard Capacity Black Toner Cartridge - Q5942A model_26 This is an original HPBOX HAS BEEN OPENED (CARTRIDGE HAS NEVER BEEN OPENED) This genuine 42A Standard Capacity Black Toner Cartridge provides a yield of 10,000 pages, this cartridge is manufactured by HP to produce sharp, crisp black prints every time. Model: 42A Product family: Q5942A Compatible with: HP Laserjet 4240n toner cartridges HP Laserjet 4240 toner cartridges HP Laserjet 4250 toner cartridges (includes; Laserjet 4250tn, Laserjet 4250N, Laserjet 4250dtn) HP