Question about HP LaserJet 2420dn Printer
Our HP LaserJet 2420dn is printing very dark. Whenever we print a page, the whole page comes out darker than normal. It looks like everything is in a shadow or was copied on very dark paper. Help?!? I have tried to open the printer to clean it but I can't figure out where to do so.
Check the ground connectors under the toner in the left side
Posted on Oct 13, 2009
Hi Kelli.i would replace the drum unitand toner!
Posted on Apr 01, 2008
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Posted on Jan 02, 2017
Tips for a great answer:
To adjust the default lighter/darker setting
1. On the LaserJet 3015, press MENU/ENTER.
2. Use the < or the > button to select Copy setup, and then press MENU/ENTER.
3. Use the < or the > button to select Def. Light/Dark, and then press MENU/ENTER.
4. Use the < or the > button to adjust the setting. Move the slider to the left to make all of the
copies lighter than the original, or move the slider to the right to make all of the copies
darker than the original.
5. Press MENU/ENTER to save the selection.
Page 48 of the User Guide has instructions for adjusting the light/dark setting during a copy job.
Also see the Troubleshooting section of the User Guide for other possible reasons for light/faded copies.
If your copies continue to come out too light, you may need to clean the insert a new toner cartridge or change brands of toner. I tried several "generic" toner cartridges and refills, but my prints and copies were always faded or streaky. After going back to genuine HP cartridges, I haven't had any print quality problems.
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