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just an update to my problem, put more ink in the machine. The machine is not pumping any of the color ink to the print head, all the color ink lines have air in them, all the black lines a full and fine. if i do a color pallet test print it just prints black n white. any idea on how these...

hello, thanks for the help. one thing i dont understand is i have used a full cartridge of cyan based on the chip information but the cartridge if physically still full. I think the other color cartridges Y & M are on the same way. Would you know if they only have the one purge pump or they...

thank you

My IPF750 keeps dumping ink in the maintenance cartridge during the process of refilling the print head. 1) My Print Head NEW. 2)I have replaced all Ink and now some are empty again. (ALL the black ones are empty of ink) right side of the machine. All the color ink on the left side of the...

hello, i have the same printer and its doing the same thing. did you find the problem?