Search results: 13 results for "HP OfficeJet Pro 6978"

What Ink Does the HP OfficeJet 6958 Use?

August 21, 2026 — The HP OfficeJet 6958 uses HP 902 and HP 902XL ink cartridges — four individual tanks rather than a tri-color. It is a retail variant of the OfficeJet 6950 series and shares its ink with the 6950, ...
How to Stop HP Firmware Updates From Blocking Your Ink

June 20, 2026 — If you've bought an HP printer in the last few years, you may have run into this: you install a compatible ink cartridge, and suddenly your printer won't print. It shows an error like "cartridge pr...
Find Ink by Printer

May 21, 2026 — Castle Ink Cartridge Finder Find the exact ink or toner cartridge for your printer in seconds, organized by brand and series below. HP Ink Canon Ink Brother Ink Epson Ink Toner & Drum Guides...