HP LaserJet 1020 Printer "clean printers brother mfc 7420" Questions

...Brother had me clean laser glass and corona wire but will not help me futher because I am not using genuine brother toner/drum. Help please client not happy with print quality. Thanks sounds like a ...

...MFC 7420 to replace it. Open the front cover and try to pull it out strongly. then use the duster to clean the machine. then you should able to replace your cartridge easily next time. mightbe too ...

...BROTHER MFC 7420 PRINTS A SOLID VERTICAL LINE ON THE LEFT SIDE OF THE PAGE. ONLY WHEN AUTO FEEDER IS USED.. WHEN COPYING FROM THE GLASS SCANNER COPIES ARE FINE... CAN YOU PLEASE HELP ME???? Open te ...

...toner. There is no drum cleaning blade in Brother drums. They use opposite charge to clean and they have a brush to catch paper dust. You will simply need to replace the toner with a Brother

my copies are coming out with black marks on them. i have a brother MFC 7420. how do i clean inside of the machine? Please clarify the marks . Usually is due to drum unit, clean it.

clean corona wire My brother MFC 7420 began issuing message to use cleaning wire. The copies were inking too. I used this wire without success. I cleaned all. Any suggestion. Need new drum? Thanks Try

brother MFC-7420 prints black pages my MFC-7420, prints almost the entire page in black when copying. It has a new toner and drum The drum is defective. The cleaning blade has failed.

Brother MFC 7420 screen displays "Back Door Open" have cleaned etc. Can you help ? Remove the drum and toner (cartridge), look inside the machine, there should be a piece of paper, remove it and error

Brother MFC 7420. New Brother Toner, New Drum, cleaned feed and separator rollers, changed paper, still jamming. Paper stuck around brown fuser roller. What can I do next? Check whether the fuser ...

Brother MFC 7420: After changing the toner cartridge, started getting black irregular-shaped spots, 1.5" from left edge of paper and 1.5" apart in a vertical row on every printed page. ...