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‎02-01-2018 10:50 PM - last edited on ‎02-01-2018 10:54 PM by Retired

HP Recommended

I also have the problem with old vs. new ink cartridges.  They are 902 vs. 950.   Both are the same size, shape, weight and have the same hook up knob; everything is exact except for one has printed on the label a black circle with a K in it and the other a black pentagram.   Please tell me why I can't use up the old cartridge

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Accepted Solutions

‎02-02-2018 04:11 AM

HP Recommended

Mainly because the printer requires the number cartridge that is specified in their manual.  Different ink jets, different electrical specs, different firing temperatures... stuff like that.

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1 REPLY 1

‎02-02-2018 04:11 AM

HP Recommended

Mainly because the printer requires the number cartridge that is specified in their manual.  Different ink jets, different electrical specs, different firing temperatures... stuff like that.

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