Brother MFC-9420CN All-In-One Laser Printer "9420 printing color" Questions

color 9420 first page prints good, remaining pages do not print on the upper left hand corner. Is new printer, have not replaced cartridges yet. Sometimes when toner starts to get low prints will faed

9420 isn't the same as the MFC-9840, but I didn't see a section for the 9840, so I hope it's OK. We've got a new MFC-9840CDW that's been printing a small 1/4" vertical pinkish strips about 2" from the

I have colored smears on left side of all my printed pages with my Brother MFC-9420 CN. What causes this? It's not unusual for paper to hit the bottom of the print head, especially if the paper is ...

...printing the blacks by mixing the colours (Check black block and text to see if it is really black not heaps dark blue to ensure black toner is operating) next I'd be questioning if cartridges where ...