HP LaserJet 2840 Printer "black streaks" Questions

black streaks on printout I am seeing multiple faint gray/purple streaks of uniform widths (0.2-1" wide along) the full length of each page. Text is being duplicated about 6" below its printed ...

...LaserJet 3015 PCL-6 all in one printer, copier & fax. When I use the copy function, there is a black streak running down the length of the copied paper. I tried replacing the toner cartridge but ...

printing a large black streak of toner on rt side of page HP laserjet 6L is printing a large black streak of toner on the right side of the page. So much it is clumping and flaking off the page. Is it

...streaks on the black transfer sheet. Close the front door half way or until all the cartridge doors open. You will see the same streaks on the problem cartridge(s) as on the transfer sheet. Change ...

Black is grey, there are streaks across the page. Streaking across entire page. Black is more gray than black. Take the cartridge out and shack it side to side a few times to move the toner around and

...streaks+black crows feet my 3800 dtn has blue streaks which is precluding me from making decent brochures. Also, the black makes a "crows foot" pattern on the paper approximately every 1.05" you need ...

...black streaks on my copy I replaced my black toner cartridge and I now receive a black streak on the right side of my copy paper. Before you installed the cartridge was it in the box standing on end, ...

black streaks on printout I am seeing multiple faint gray/purple streaks of uniform widths (0.2-1" wide along) the full length of each page. Text is being duplicated about 6" below its printed ...

...black streaks My HP laserprinter always printed/copied with a light black streak evey few inches in the background, but now it got much worse darker and thicker and makes the pages unreadable. The ...

...Black and white prints fine. In addition, the transfer sheet has a streak of blue powder on one side which causes streaks on the paper. I know how to replace this, but would this be the problem with ...