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What Ink Does the Epson Expression Premium XP-7100 Use?
What Ink Does the Epson Expression Premium XP-7100 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 the XP-540, XP-620, XP-6000 and XP-6100 as 410 printers. T...
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What Ink Does the Epson WorkForce WF-3820 Use?
What Ink Does the Epson WorkForce WF-3820 Use?
May 23, 2026 —
The Epson WorkForce WF-3820 all-in-one inkjet printer uses Epson 822 and Epson 822XL DURABrite Ultra ink cartridges. Standard 822 cartridges deliver about 240 black and 240 color pages, while the 8...
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What Ink Does the Canon PIXMA TS3720 Use?
What Ink Does the Canon PIXMA TS3720 Use?
August 24, 2026 —
Quick answer: The Canon PIXMA TS3720 uses PG-275 / CL-276 ink cartridges — one pigment black and one tri-color — with higher-capacity PG-275XL / CL-276XL versions available. Two cartridges in total...
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What Ink Does the HP OfficeJet Pro 8720 Use?
What Ink Does the HP OfficeJet Pro 8720 Use?
August 21, 2026 —
The HP OfficeJet Pro 8720 uses HP 952 and HP 952XL ink cartridges — four individual tanks in black, cyan, magenta and yellow. It shares its ink with the 8710, 8715, 8725, 8730 and 8740, so the cart...
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What Ink Does the HP OfficeJet Pro 8138e Use?
What Ink Does the HP OfficeJet Pro 8138e Use?
September 3, 2026 —
Quick answer: the HP OfficeJet Pro 8138e uses HP 923 ink — four individual pigment cartridges. The high-yield tier is spelled HP 923e. There is no such thing as an HP 923XL, and any listing selling...
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What Ink Does the HP OfficeJet Pro 8025 Use?
What Ink Does the HP OfficeJet Pro 8025 Use?
May 22, 2026 —
Last updated: September 27, 2026. Reviewed by William Elward, founder of Castle Ink.
Correction: an earlier version of this article said our cartridges carry a two-year warranty. Castle Ink supplie...
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What Ink Does the Epson EcoTank ET-4750 Use?
What Ink Does the Epson EcoTank ET-4750 Use?
May 23, 2026 —
The Epson EcoTank ET-4750 uses Epson 502 ink refill bottles (Black, Cyan, Magenta, Yellow) — no cartridges. The cartridge-free design delivers up to 2 years of ink with a single set of bottles.
Ink...
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What Ink Does the Epson EcoTank ET-2720 Use?
What Ink Does the Epson EcoTank ET-2720 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 ET-2720 uses Epson 502 bottles. It uses Epson 522.
Quick...
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What Ink Does the HP OfficeJet Pro 6970 Use?
What Ink Does the HP OfficeJet Pro 6970 Use?
August 21, 2026 —
The HP OfficeJet Pro 6970 uses HP 902 and HP 902XL ink cartridges in four individual tanks. It shares its ink with the 6968, 6975 and 6978, so anything listed for one of those models drops straight...
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What Ink Does the Epson WorkForce WF-2950 Use?
What Ink Does the Epson WorkForce WF-2950 Use?
August 21, 2026 —
The Epson WorkForce WF-2950 uses Epson 232 and Epson 232XL ink cartridges — four separate tanks. As with the rest of this family, the XL is offered in black only; cyan, magenta and yellow come in s...
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May 23, 2026 — Last updated: September 27, 2026. Reviewed by William Elward, founder of Castle Ink. Correction: an earlier version of this article listed the XP-540, XP-620, XP-6000 and XP-6100 as 410 printers. T...
May 22, 2026 — Last updated: September 27, 2026. Reviewed by William Elward, founder of Castle Ink. Correction: an earlier version of this article said our cartridges carry a two-year warranty. Castle Ink supplie...
