Dell 1700 has toner somewhere other than the rollers
I've cleaned the rollers and emptied the extra toner from the front compartment. Printing quality is still picking up toner from somewhere else. For example, the Header on the page is good at the top and on the page again at least once. Any ideas?
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Possible reasons are: 1.empty toner cartridge, 2.dirt under one of the toner cartridge's developing roller, 3. dirt on the primary charge roller in the drum cartridge, 4. obstacle on the laser path.
Replace the empty toners first and try printing again. Follow the next steps if it didn't solve the problem.
Print a test page with 4 stripes across the page - black, cyan, yellow and magenta. See if all have the missing toner line or only one of them. If the white stripe is going trough only one color, inspect the cartridge with that color. It has to have the same stripe on the developing roller. See if there is some dust beneath it that makes the stripe and clean it with a brush. If the stripe is across all colors, then inspect the drum unit. The drum itself has to be evenly shining on the light. If there are uneven matte tracks on it, consider replacing. There should be a gap somewhere for the laser beam to pass and the drum is visible trough it. Look trough it for obstacles like piece of paper or hair. The primary charge roller has to be close to that gap inside, touching the drum. Look for dirt on it. Clean if possible.
Toner cartridges last approx. 6500 pages. The drum cartridge lasts between 14 000 and 28 000 pages depending on the color use.
The toner is leaking. The toner cartridge has two compartments, one for new toner & another for waste toner. When the waste toner compartment is becoming full to its capacity it starts throwing extra toner outside of it. That is what is called toner leaking. If you can empty the contents of the waste toner compartment, your problem will be solved. One more thing if wiping blade for waste toner is worn out, it also leads to toner leaking.
There are many possible causes. You'll have to do a bit of detective work to find your particular problem. you're either getting unwanted toner, or the printing process is being interrupted.
The photosensitive drum can get a mark or a spot or even a damaged area. This usually presents as a regular area which repeats, going down the print, rather than a streak It may be possible to clean the drum with a soft tissue -- perhaps with the addition of a little Isopropyl alcohol. If you have a replacement drum, try that. In most cases the drum is part of the cartridge, but not always. Loose toner in the system.
If your drum is leaking, or you've spilled some toner inside the printer (perhaps after shaking the cartridge to get more life out of it) the excess toner may cling to the paper in streaks and get fused onto it. The cure is a good vacuum clean of the insides.
Sometimes a small corner of a sheet of paper (or similar) can get caught in the workings of the printer, This can obscure part of the optical (especially with LED printers) and cause a blank streak in the printing. Dust and toner on the LED head can cause similar problems and fuzzy printing. Tissue and alcohol again!
A laser printer fuser assembly is the heating roller unit that melts and fuses the toner onto the paper. The fuser assembly is made up of a heating roller and a pressure roller.
The heating roller applies the heat to the toner on the printed page and the pressure roller presses and fuses the toner into the printed page. If it's bad and not heating properly, the print will be faint, which is what you describe. You may be able to remove and clean the fuser, but if the printer gets lots of use, it may just be worn out.
See this link for an idea of what it looks like and a price.
The Dell 1700 cartridge can leak from a failed mylar blade that sits against the Developer Roller.
The plastic locking ring on the and of the Developer roller spindle (of the toner cartridge) can come loose, or break (over time).
The drum unit has a relatively low capacity to hold waste toner, and all toner is not the same (waste toner shouldn't be re-used - it will just fill up the waste section of the drum even faster). Some toners are more efficient than others.
If you reset the 'replace drum' indication, without actually replacing it (or at least emptying it) you will soon have the drum over-full of waste toner, and the only other place it can go then, is inside the printer, and onto the paper.
This probably means the rollers are getting slick and a little glazed. Dell printers seem prone to this. It's harmless unless it is the primary (big) rollers that push the paper up into the toner drum. See my advice to the paper jam question for fixing that.
If your Dell 1700 laser printer is not pulling paper all the way, try cleaning the pick up rollers.
To access the pick up rollers. Turn off the printer. Unplug everything from the back of the printer. Take out the toner/drum and set this aside out of the light (the drum is effected by light). Remove the paper tray. Set the printer on its backside. The rollers are located on the underside of the printer where you just removed the paper tray. You may have to move a blue flap to get at the rollers. Take a damp paper towel and clean these off. Another possible solution is to take the grey rollers off and turn them inside out and then place them back on the printer.
The pick up rollers should not be shiney, or cracked and dryed out. If they are, they will not pick up the paper to feed it into the printer. The tires should have "traction" to them so that they can grip the paper and feed it into the printer.
Once you have the tires cleaned off or turned inside out and placed back on reassemble the printer and try printing.
Looks like label stuck on the toner cartridge. Easiest solution would be to replace toner cartridge or if you can slowly spin the OPC drum on toner cartridge till you find label NOTE: damage to the OPC drum with affect print quality as well as oil from fingers will affect PQ( print quality)