HP 320-323 (BCYM) Printex Compatible Toner Cartridge

1) New Toner Cartridge, Patent Free, Premium Quality;
2) Supporting Continuous High-speed Printing;
3) Few Waste Toner, Enough Pages;
4) Superior Density;
5) Excellent Price-performance;
6) Certificate: ISO9001, ISO14001, CE, REACH, RoHS, ISO/IEC   19752/19798
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N.B: What Do We Mean by 5% Page Yield?
Page yield refers to the approximate number of pages a specific toner cartridge is capable of printing.
Determining page count can prove to be tricky as print density can vary from day to day for individuals.
Some users simply print emails containing text but when others might require to produce printouts of heavy graphics for brochures or catalogs, consequently printing much less pages than normal.
Other factors include room temperature, printer condition, and toner age.
It is for this reason that the printer industry came up with the 5% rule.
Manufacturers use such yardstick to guarantee.
How many pages a specific toner can yield. 5% coverage would simply be a page printout of a text document containing no graphics with little or no bold characters on an 8.5 x 11 copy paper. An increase or decrease in page yield is therefore directly proportional to an increase or decrease in page coverage.