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Posts: 1
Member Since: ‎05-03-2012
Message 1 of 1 (250 Views)

Says Incorrect Black cartridge on screen window of Hp psc 750 printer -will not print Mod #C-8424A

HP-15 (C6615Dn) cartridge used

Had trouble with color cartidge --It said rplace color cartridge--I did --& it didn't work so I replaced the black cartridge & the window viewer showed Incorrect black cartridge.  Will not print by itself even without going thru the computer.

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