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How to Replace the Ink in a Canon Printer (PIXMA, MAXIFY & TS Series)
How to Replace the Ink in a Canon Printer (PIXMA, MAXIFY & TS Series)
May 5, 2026 —
Last updated: September 16, 2026.
Quick answer: On most Canon PIXMA and MAXIFY printers you replace ink by powering the printer on, opening the cover so the carriage slides to the center, pressing ...
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What Toner Does the HP LaserJet Enterprise M607dn Use?
What Toner Does the HP LaserJet Enterprise M607dn Use?
May 24, 2026 —
Correction (October 2026): an earlier version of this guide said the M607dn also takes the HP 37X (CF237X) high-yield cartridge. It does not. The M607dn takes only the HP 37A (CF237A).The HP LaserJ...
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Xerox Fuser Unit: Signs It's Failing and How to Replace It
Xerox Fuser Unit: Signs It's Failing and How to Replace It
August 10, 2026 —
If your Xerox printouts are coming out smudged, streaked, or wrinkled, a worn fuser unit is often the cause. This guide covers the warning signs specific to Xerox printers, common replacement part ...
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How the CastleScore Works — Methodology
How the CastleScore Works — Methodology
August 13, 2026 —
Castle Ink · Methodology
How the CastleScore works
An independent 0–100 rating for every printer we cover — blended from six weighted pillars, refreshed every month, ...
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Best Printer for College Students in 2026: Top Picks for Dorms & Budgets
Best Printer for College Students in 2026: Top Picks for Dorms & Budgets
July 28, 2026 —
Choosing a printer for a dorm room or apartment is a different exercise than shopping for a home office. You're working with a tiny desk, a tight budget, and roommates who will notice if it takes u...
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HP Maintenance Kit: Signs You Need One and How to Install It
HP Maintenance Kit: Signs You Need One and How to Install It
August 10, 2026 —
If your HP LaserJet is displaying a "Perform Printer Maintenance" or "Order Maintenance Kit" message, it's time to plan a replacement. This guide covers the warning signs specific to HP printers, c...
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Why Is Printer Ink So Expensive? (And How to Spend Less)
Why Is Printer Ink So Expensive? (And How to Spend Less)
August 9, 2026 —
If you've ever priced out a replacement ink cartridge and wondered how a few ounces of liquid can cost nearly as much as the printer itself, you're not imagining it. Printer ink is genuinely one of...
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October 14, 2026 — Published October 14, 2026. Written by William Elward, founder of Castle Ink. Quick answer The best time to buy a printer in 2026 is Black Friday (November 27) through Cyber Monday (November 30), ...