Me again ...Despite the "instructions " and two days of The "B504 " problem ... I just decided since it was junk to do things I was not supposed to and using my hand I moved the ink cartridge to the slot and the white plastic circle until it clicked...
The 2720 I bought in April 2025 has been a problem for 6 months and then it just shuts down and despite putting in new yellow ink refuses to operate ( B504) and I cannot find any responses to such issues and it seems to just be junk .
Bought this Maxify MB2720 at Wal Mart in late May 2025 ,,and the factory ink lasted a week and replaced that until yesterday ( black red and blue were all out at once ) and put in black and then mistakenly put the red ink in the blue slot ...and it i...