It immediately returned a message: "incompatible black cartridge." The new toner cartridge is identical to the old one I removed. I replaced the old one and it is working.
Excellent printing, prints many many pages without problems, print more than 10,000 pages of tax forms, print multiple pages at a time without problems, have not experience any problems with the print quality. Does not dry up like ink cartridges, Have used a cartridge for more than a half year depending on usage without problems.