Search results: 30 results for "lexmark 521h toner"

William Elward — Author & Printer Industry Expert

May 16, 2026 — About William Elward Founder & Editor-in-Chief, Castle Ink20+ years in the printer & imaging supplies industry William Elward is the founder of Castle Ink and has spent more than two decad...
Best Buy Ink Cartridge Recycling Program: How It Works

October 30, 2019 — Last updated: August 2026 — by William Elward, Founder of Castle Ink Best Buy is one of the easiest places in the country to drop off empty printer cartridges. This guide covers what Best Buy acce...
What Is a Printer Maintenance Kit? Do You Actually Need One?

August 10, 2026 — If your laser printer is asking you to install a "maintenance kit," it's not trying to upsell you on something optional. Here's what's actually inside that kit, when it's genuinely needed, and how ...
Castle Ink Launches Free PrinterIQ Printer Finder Tool

August 14, 2026 — Press Release Castle Ink Launches PrinterIQ™ Finder, a Free Tool That Matches Shoppers to the Right Printer in 60 Seconds — and Shows What the Ink Really Costs A one-minute quiz. Twenty s...
Where to Recycle Printer Ink Cartridges Near You (Free Drop-Off Options in 2026)

June 24, 2026 — Every year, hundreds of millions of ink and toner cartridges end up in landfills — but recycling them is free, easy, and widely available. Whether you're trying to reduce waste or simply declutter ...
About Castle Ink

October 28, 2019 — Castle Ink is a family-owned and operated printer ink and toner cartridge retailer based on Long Island, New York. Since 2005, we have helped more than 1 million home users, schools, and small bus...
CastleScore September 2026: The Printers That Moved

September 2, 2026 — September's CastleScore refresh turned into the biggest rebuild since we launched the rankings. Not because printers got worse — because most of them stopped being printers you can buy. Eight o...
Printer Ink Cartridges for HP, Canon, Epson, Brother & More

October 30, 2019 — Replacement remanufactured, remanufactured right here in the U.S., ink cartridges designed to work with your printer at a lower cost than manufacturer cartridges. Each cartridge is tested for comp...
Printer USB Cable Guide: Which Cable Does My Printer Need?

September 16, 2026 — Quick answer: most home and office printers use a standard USB 2.0 A-to-B cable — the flat, rectangular USB-A plug goes into your computer and the squarer USB-B plug goes into the printer. If your ...
Generic Ink Cartridges — Compatible Replacement Printer Ink

October 28, 2019 — Many customers search for “generic ink cartridges” when they are looking for a lower-cost alternative to manufacturer printer ink. In the printer supply industry, this usually refers to compatible...

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