HP Color LaserJet 2600n Printer "leaving yellow streak down" Questions

...yellow streaks running down the page at the side which look like they are toner or ink. How do I get rid of them? its the color toner! and what is happending is the drum is dirty and what happends is ...

...streak. It is obviuosly in the scanning portion. Even a single grain of dust or a single strand of hair on the scanning glass will cause the scan head to perceive ink/image where there is none. ...

...yellow/red/blue streaks on my printouts. The more prints and hotter it gets the darker the colors. Replace Drum recently. Thoughts? Thanks! This is caused mainly by leaving the Corona Wire sliders ...

...yellow streaks First machine with (21,000 copies on it) had been a constant problem with premature drum failure, jamming and poor copy quality with color streaks for past 6 months and was replaced by ...

...down toward the base of the machine as in image one (the tissue is the yellow bit in the image) Now take a syringe or similar and put some solvent into it. The solvent I use is JR Ink Jet Cartridge ...

...leaving yellow streak down right side of paper That usually happens when a toner cartridge is getting low or old. Replace the yellow toner cartridge. If you have done that then the other most likely ...