Canon PIXMA MP780 All-In-One InkJet Printer "copier white streak magenta" Questions

magenta test stip in the nozzle check print out come out with streaks of white on the first line and nothing on the second line. I previously refilled stock ink tanks and this is the first time I have

...white or pale streak 1/4 way down the page. Magenta toner was recently replaced and is almost completely full. You need to check with Xerox , ther is some toner that was manufactured last year (2008) ...

...magenta print is patchy, i.e streaking with white lines showing and the colour is not consistent across the page. I replaced the drum just before christmas and this cured the problem for a few weeks, ...

...white speckles on a few of the magenta segments. My home recently burned down so money is very, very low for me. What can I do to get this back to normal? Many thanks. SS On the screen you need to ...

...white without a problem. When I print colour, the page has vertical streaks, almost like strands, all the way down the entire page... HELP! The toner forms small lumps and get stuck on the doctor ...

...white it would be ok, but then each page started having vertical magenta streaks on it and not all the color was coming out. So I replaced the remaining cartridges and still the same thing. Now, with ...

...white (or at least not so obviously), a vertical streak appears a couple of inches in from the right hand side of the page - always in the same position. I have followed all the various cleaning ...

...white streaks persist when printing photos. I've done an alignment 5 times in an attempt to correct, ,cleaned the ink cartridges and wiped down as much of the inside of the machine as I can from the ...

magenta bands. Again 3mm on 3mm off. I have the same problem. Here's the advice I found somewhere on the internet: If a jet (nozzle) in your cartridge has gone bad you will see horizontal bands and/or

...magenta If the white line only appears on a signle color (M) then it usually is either the image unit, laser, or developer. You can try cleaning the top of the laser using the cleaning arm located in ...