Question about HP LaserJet 2420 Printer
When printing a page of text a black line appears about 30mm in from the right hand edge. Could this be telling me that the toner is almost at an end?
This usually indicates the the Teflon coating on the fuser roller is damaged and will need to be replaced. The fuser is the part at the back of the printer that heats the toner and fuses it to the paper. The heat roller is coated with Teflon so the toner does not stick. If something scratches this coating the toner will stick and come off on the paper in a line where ever it is damaged. Here is a link to an article showing how to check the toner, the guide is for the 2100 printer but the issue is the same.
Posted on Mar 25, 2013
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Posted on Jan 02, 2017
SOURCE: Black lines on the right side
The vertical black line at the right-hand side of the page when the printed document includes an image is a problem with all currently available HP Laserjet 1018, 1020 and 1022 drivers. While waiting for HP to fix the problem (they haven't even acknowledged it yet in their webpage) you can bypass it thus: a) Click on the 'Properties' button. b) Click on 'Finishing' and select 'FastRes1200' (this makes the line narrower). c) Click on 'Basics' and select 'Rotated', i.e. printing the page from bottom to top (this elliminates the line completely, in combination with 'b' above). This is a home-made solution I found after numerous trial-and-error attempts and having downloaded several drivers from the web. As a token respect to all of us who have paid money to buy these printers, I hope HP will soon recognize and solve the problem.
Posted on Sep 25, 2007
I was able to fix it by taking off the top of the printer. This involved taking off 4 screws on the top of the printer. I then had to disconnect the wires going to the control panel by unhooking them from the right side. I then located a thin rectangular box which I'm assuming houses the laser. I removed this with 4 more screws and turned it over. There was a little metal flap that I moved back and below was the mirror the lasers shoot on before going onto the toner.
In the same spot where I was having fading, I noticed a lot of toner on the mirror, so I cleaned it of, put it back together, and the fading was gone.
This was after I tried a new toner and maintenance kit.
Hope this helps
Posted on May 01, 2008
I had this same problem but after while it went away - so my solution would be to just keep using it, and perhaps it will solve itself.
Posted on Jun 05, 2008
Check your Toner Carts.
Is the line a certain color?
Lift the door of the toner cart.
If you see a streak on your toner drum, you will see a streak on your paperwork.
Look at your fuser as well.
Is there a problem with the big orange roller?
BEWARE! Don't touch the fuser roller its EXTREMELY HOT!
Let the printer cool down before inspecting.
Posted on Aug 14, 2008
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