I am getting a 3mm wide blue ( cyan ) line across every printout. The lines are about 150mm apart so on A3 there can be 2 or 3 on each page. Everything else on the prints is great. Hope that you can help. Where can I get a service manual ? Best wishes Ian Cousins
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This is caused by either a problem with the Transfer Belt Unit or the Cyan Imaging Unit. Since the lines are only in Blue (Cyan) I would more suspect the Cyan Imaging Unit. These can be released and slid out of the machine very easily and you could look at the drum to see if the lines are there. When you slide out the unit the drum (long greenish colored cylinder) is right there on top and it should be clean with no toner lines on it. If there are lines then that would be your proof. Also try using your cleaning tools on the Imaging Units as well. This is the wand that is clipped inside the front door. There are also little blue knobs on the units you can pull out and push in a few times to clean wires inside the units. This will sometimes fix the lines. If not you may have to have the Cyan I/U changed.
Good Luck and Thank You for usng Fixya.
Don't know about your "primed" toner, but go to Diagnostics and run the PQ test. See what that looks likes. Go to Disable Cartridge Check and swap the black and cyan toner. Run another PQ test. Are the lines still there and are they black or cyan? If they are cyan, the cartridge is bad. If they are black it's not the cartridge. It going to take a tech to look at it.
My printout looked like it was printed on ruled paper that we had as kids. I tried everything like head cleaning etc.I was ready to start looking for a new printer since repair is not that economical. So as a goof..I tried taking each cartridge out and then put it back in..simple. So far I'm good believe it or not.
Measure the distance between two of the same coloured dots down the page, if it is just over 150mm then it is caused by scratches on the photoconductor drum (this is the only thing that has a 15.4mm circumference). Try printing a black and white only document, only the black dots should appear. Removing the photoconductor and gently polishing the blue drum with a soft cloth can help if the scratches are not too deep, otherwise a new photoconductor is the only route.
open printing preferences and click on maintenance. Run the print head alignment utility. Sometimes this will remove the horizontal banding. I had this same problem and had to uninstall the printer and reinstall just like it was new, running the alignment feature before it was corrected. Worked ok for a few days then started again. I assumed that the printhead is bad. To costly to repair and bought a new printer.
Sounds like it needs a maintenance kit. This will include a fuser, which should resolve the problem of the repeated horizontal lines and ghosted words. It will also cause more frequent paper jams when it needs maintenance.
A manual for installing a maintenance kit can be found online but sometimes will come with the kit. Google it anyway as it will give you an idea of the work involved.