I received these cartridges on January 17th, mostly I only print in black as the printer is an office printer used for receipt printing and medium office printing with a maximum of 30 pages per week. There was no way to use enough black ink to already empty one cartridge and use 1/3 of the second cartridge. Since this printer is also less than a month old I can easily return it and buy a different brand. The quality of HP products has really gone down.
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