The Printhead is essentially the heart of the 4, 5 and 6 ink-cartridge printing system. While the ink cartridges, or tanks, merely hold the ink, it is the electronic printhead which is responsible for firing the ink drops onto the page – not the ink cartridges/tanks!
How an Inkjet Printhead Works — 4, 5 & 6 Ink Cartridge Printers:
Severe Print Quality Issues / Missing Colors
If, after adhering to all suggestions provided under ‘Solve My Problem’, your printer continues to exhibit degraded image quality and/or multiple colors are missing, as observed in the printer’s self test page or print quality report, you many need to perform a water flush of the printhead:
Printhead Life – All 4, 5, & 6 ink cartridge Printers:
The replaceable or semi-permanent PRINTHEAD (or PRINTHEADs for HP88 & 940 ink-series printer models) will eventually fail over time with usage and age. Click here for more information.
Advanced HP Printer Diagnostics
To view advanced diagnostics tests for your HP printer, click here: