The HP 138X high-yield toner cartridge delivers up to 4,000 pages of solid black output for HP LaserJet Pro 3001 and 3101 series owners. If you're after reliable page counts and genuine HP engineering, this cartridge is worth knowing about — though third-party options exist at lower price points.
The HP 26A Black Toner Cartridge (CF226A) delivers solid page yields and genuine HP reliability for LaserJet Pro M402 and M426 series owners. I spent three weeks running it through daily office workloads to see if it holds up. Here's my hands-on take on print quality, cost per page, and whether it's worth your money over third-party alternatives.
I picked up the HP 58A (CF258A) Black Original Toner Cartridge during a busy quarter when our office printer suddenly started churning out faded text. After running roughly 1,200 pages through it over six weeks, here's what actually matters before you spend your money.