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Is your printer streaking, fading, or printing dull colors? Before you buy new cartridges, print one of our free test pages to diagnose the problem. Each PDF is free, no signup needed. 1. Black Printer Test Page (PDF) Checks black toner density, text sharpness at 5 sizes, fine-line quality, and print-head alignment. If the solid black block looks gray or streaky, your black cartridge is running low. Download Black Test Page PDF 2. Color Printer Test Page (PDF) Checks all four color cartridges (c

How much does each printed page really cost you? Most people have no idea — the cartridge price tells you almost nothing until you divide it by the page yield. We built a free calculator that does the math for you. Pick your cartridge from 102 options across Brother, HP, Canon, Lexmark, and Xerox, and it shows your true cost per page — plus a side-by-side of compatible vs. OEM so you can see the savings in black and white. Open the full Cost-Per-Page Calculator A quick note on the n

That empty cartridge in your drawer is a bigger deal than it looks. Hundreds of millions of ink and toner cartridges end up in landfills every year in North America alone, and only about 20–30% get recycled. The rest sit there for an estimated 450 to 1,000 years, slowly shedding microplastics while leftover ink and toner leach into soil and groundwater. The good news: recycling a cartridge is free, easy, and in some cases puts money back in your pocket. Here's what actually happens to your

Disclosure: Clever Supplies sells compatible cartridges for all of these brands — which is exactly why we'd rather you buy the right number the first time than the wrong one twice. HP, Brother, Canon, Lexmark, Kyocera, Ricoh — every brand runs its own numbering system, and none of them explain it on the box. This is the complete decoder: how each brand names its cartridges, what the letters and numbers mean, and how to never buy the wrong one. The universal rule (all brands) Every ca

Disclosure: Clever Supplies sells compatible printer cartridges — which is exactly why we'd rather you buy the right number the first time than the wrong one twice. You don't need the manual, and you don't need to call anyone. The cartridge number is printed on the printer itself — or one menu away. Here are three methods, fastest first. Total time: about a minute. Why bother getting it exactly right? Because a wrong cartridge is a special kind of annoying: it doesn't fit, or it fits