HP Color LaserJet 4550n Printer "black streaks laser jet" Questions

...laser jet 2600n. My copies come out with streak marks on the left side. You have to replace the maintenance kit RM1-1820 for 110V or RM1-1821 for 220V. It must be done regulary after known amount of ...

black streaks all over the page on HP color laser jet 4550N Do I need to replace the drum? Just replaced the black toner, didn't help. IF YOU HAVE THE OPPOTUNITY OF OPENING THE PRINTER OPEN THE TOP ...

...streaks of these colors. I have a feeling that the problem could be that the printer nozzle of something like that could have dried out as there wasn't a cartridge in there for a while until we got a ...

...streaks in the black which only appears on the left side of the page. The streaks look to be as if the black is not totally printing in that area. It also looks to have a lack of magenta on the right ...

...streaks (eliminate light stripes) From the printer, print the Troubleshooting Print Quality Pages. With Troubleshooting highlighted, press the OK button. Scroll to Print Quality Problems by pressing ...

...streaks on the printed paper. 3. Clean the preheater using the Control Panel Remove Print Smears function. 4. Did this correct the problem? Complete. Go to Step 5. 5 1. Possible weak or missing jet. ...

black streaks on your output. This problem is most often caused by an old toner cartridge, or by a dirty roller or printer cleaning bar. If you replace the toner cartridge and clean the suspect parts

black streaks on your output. This problem is most often caused by an old toner cartridge, or by a dirty roller or printer cleaning bar. If you replace the toner cartridge and clean the suspect parts

...black band along the bottom of almost all of the pages, but there is no corresponding toner build-up on the plastic fins in that area of the Duplex unit panel door and no white streak problem on that ...