Blog Posts

Two cartridges fit your printer. One costs more and prints more pages; the other is cheaper and runs out sooner. Which one actually costs you less? The sticker price cannot tell you — only the cost per page can, and it takes about thirty seconds to work out for any cartridge, any brand. We built a free cost-per-page calculator that does this math instantly. This guide explains what it is calculating, why the number decides almost every toner purchase, and how to use it to compare standard

Your printer says a supply is low, and the supply turns out to be two different things: a toner cartridge and a drum unit. They sit together, they wear out at different speeds, they cost different amounts, and replacing the wrong one is the most common way printer owners waste money. This guide explains what each part does, how long each lasts, and the exact test that tells you which one your print problem is actually coming from. The 20-second version Toner cartridge: the container of toner po

Your printer was fine yesterday. Today every page has lines down it, or the text looks washed out, or there are dots marching down the margin in perfect formation. Print quality problems feel random, but they almost never are: each defect pattern points at a specific part, and most of them you can diagnose in ten minutes with nothing but a test page and a ruler. This guide works symptom by symptom. Find yours, run the test, and you will know whether the fix is two minutes of cleaning, a setting,

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