Printer with duplexer. When an image extends too close to the left edge of the paper, a heavy toner trail is visible which gradually fades for 3 or 4 pages then disappears. I have noticed this behavior on last two toner cartridges. When this occurs, I also sometimes see shadow images in center of page from previous page.
It sounds like the printer needs to be cleaned. Begin with the careful inspection of the rollers.
The printer produces clean printouts until a job is processed that has a border along the left edge of the page. The streak is 3mm wide and fades out after a couple pages. It seems to picking it up from the paper - see attached.
Thanks for your attention.
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SOURCE: hp2820 noise when printing
Try substituting a new imaging drum. The problem may be a bad bearing.
SOURCE: The toner colors fade out on the top 1/3 of page, black is better
Maybe you have some dried ink on the cartridge. You see the silver-ish strip on it? try whipping it down with a rag because I dont think you want that ink on your shirt. Try that and if not let me know.
-Ryan
-Please rate
SOURCE: HP Laserjet 5P shading edges of page
This is probably due to a defective cartridge, Charge Roller or Transfer roller.
Check the cartridge for a band of toner still on the drum.
Check the Charge roller for oil or smudges, this roller should be a lighter color and should be relatively free of toner or marks.
Same as the Transfer Roll, which will be dark, though excess toner should be evident.
A relatively smooth straight line is generally the cartridge.
A rather wavey or broken line is most likely the rollers.
You can however attempt to print a large amount of pages (25-50) in an attempt to clean the parts, however if either part is defective they will need to be replaced and no manner of printing will clean them.
SOURCE: Konica Minolta PagePro 1350W laser printer. Have
your carteidge OPC duram is faulty .
so change cartedige
SOURCE: Samsung CLX-2160, keep getting faded
Everyone will tell you that it's the Imaging Unit - happy to say that's not true. If it was the imaging unit the colors would not come out right either. I bet if you print a test page that all the colors come out fine across the page. It's only the black.
Also - if you replace the black toner cartridge, or reinstall your printer and drivers like some people will tell you - still no results.
The problem is in the black toner cartridge PATH inside the printer. Something has jammed it up a bit. Try taking out the black cartridge and blowing firmly into the small hole at the bottom of the spout that looks to have a sponge inside. Use a straw and make sure your air blown is dry. Then lightly tap the cartridge a few times. Then use the straw and once again blow very firmly inside the receiving path (inside the printer) for the spout on the cartridge. Make sure you are blowing into the spout path at the bottom - not the gear drive path in the middle - as that will not do any good.
Replace the cartridge, warm up and print another black and white page. You should see that the faded out section is gone or diminished in size. If it is not gone, simply repeat the above steps until it is gone. You will see that the faded out strip gets smaller and smaller each time until it's gone. I had to repeat five times, but eventually got it corrected. Now prints like brand new so don't get discouraged.
Loki
Squeeze and hold the tab on the top of the paper-width guide, then slide the paper-width guide inward until it stops at the edge of the paper.
Figure 4: Sliding the paper-width guide to the edge of the paper 
Do not overload the paper tray; make sure the stack of paper fits within the paper tray and is no higher than the top of the paper-width guide. 77 views
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