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New Ink Cartridge Not Working? Here's Why and How to Fix It
New Ink Cartridge Not Working? Here's Why and How to Fix It
June 30, 2026 —
Why Would a Brand-New Ink Cartridge Not Work?
You just installed a fresh ink cartridge and your printer is refusing to cooperate — blank pages, error messages, or a "cartridge not recognized" warni...
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What Toner Does the HP LaserJet Pro 400 M401n Use?
What Toner Does the HP LaserJet Pro 400 M401n Use?
August 24, 2026 —
Quick answer: The HP LaserJet Pro 400 M401n uses HP 80A (CF280A) (~2,700 pages) or HP 80X (CF280X) high-yield (~6,900 pages) black toner cartridges. They are the same cartridge in two capacities, a...
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What Ink Does the HP DeskJet 2855e Use?
What Ink Does the HP DeskJet 2855e Use?
May 21, 2026 —
Quick answer: The HP DeskJet 2855e all-in-one printer uses HP 67 (standard) and HP 67XL (high-yield) ink cartridges in a Black and Tri-Color setup. Compatible HP 67XL cartridges from Castle Ink cos...
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What Ink Does the Epson WorkForce Pro WF-4820 Use?
What Ink Does the Epson WorkForce Pro WF-4820 Use?
May 23, 2026 —
Last updated: September 27, 2026. Reviewed by William Elward, founder of Castle Ink.
Correction: an earlier version of this article listed yields for standard 822 cartridges that we couldn't confir...
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What Ink Does the Brother MFC-J491DW Use?
What Ink Does the Brother MFC-J491DW Use?
May 23, 2026 —
Last updated: September 27, 2026. Reviewed by William Elward, founder of Castle Ink.
Quick answer: what ink does the Brother MFC-J491DW use?
The Brother MFC-J491DW uses 4 Brother LC3011/LC3013 cart...
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What Is a Toner Cartridge? (And How It's Different from Ink)
What Is a Toner Cartridge? (And How It's Different from Ink)
June 30, 2026 —
Toner vs. Ink: The Short Answer
If you've ever wondered what the powder inside a laser printer cartridge actually is — and why it's called "toner" instead of "ink" — you're not alone. The two are c...
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What Ink Does the HP DeskJet 2842e Use?
What Ink Does the HP DeskJet 2842e Use?
September 15, 2026 —
Quick answer: The HP DeskJet 2842e uses HP 67 ink — one black and one tri-color cartridge. The high-yield HP 67XL cartridges (HP 67XL Black and HP 67XL Tri-Color) print about 240 black and 200 colo...
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What Ink Does the Brother MFC-J5945DW Use?
What Ink Does the Brother MFC-J5945DW Use?
May 23, 2026 —
Last updated: September 27, 2026. Reviewed by William Elward, founder of Castle Ink.
Correction: an earlier version of this article said the MFC-J5945DW uses LC3033/LC3035 cartridges. It uses LC303...
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