Question about HP Color LaserJet 2840 All-in-One Printer/Copier/Scanner/Fax Q395
Q3971A is a colour toner cartridge. Q3964A is an actual toner/drum, not toner alone. So, no, they are not interchangeable as they provide completely different functions.
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Posted on Dec 10, 2014
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Posted on Jan 02, 2017
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