Question about HP LaserJet 3050 All-In-One Printer
Line on copy/ scan; but not on print from computer
The problem you are having is either ink, correction fluid or something has stuck on the scanner pickup image sensor. To clear the material you will need to first open the machine to get to the sensor. To do this pull the control panel forward, it will open just a bit where you load the paper to be sent. If you look down from the top you will see the sensor glass. Use a paper towel sprayed with window clearer. You may have to gently scrub the glass to remove the blockage. You may even be able to see what is blocking the image sensor. After cleaning the glass let it dry for a few minutes before you close it and try copying or faxing.
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Posted on May 05, 2010
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Posted on Jan 02, 2017
If the line only appears when the scanner is used & not when printing directly from the computer, you are correct in assuming the problem lies in the scanner assy. There should be mirrors attached to the scanner assy which will gather dust and cause copy/scan problems. Remove the glass & clean the mirrors with a DRY cotton cloth. Do not use any cleaning solution on the mirrors as they are sometimes treated & can be ruined if they come in contact with a cleaning solution. Use the dry cloth to wipe off the lens while you have it apart.Also clean both sides of the copy glass while you have it off. Reinstall glass & test.Cleaning the optics solves the problem most of the time. Good Luck!!
Posted on Jun 25, 2007
As a tech I've never seen that happen. from the doc feeder only Yes, not both the feeder and the glass but not show up when you print from the computer ?????????
For sure there is a dot or something on the small strip of glass, only when you do it from the feeder.
the reason is that the document is moving and the dot on the "small" strip of glass now looks like a line to the copier.
You said it also does it when you lay it down on the glass !!??(platen) that should of indicated the drum has a ring around it, but since it doesn't come out on the PC copy then the glass must have a line on it.
Posted on Oct 07, 2008
Posted on Nov 11, 2008
Sounds like it could be bad cartridge or scanner. Try replacing cartridge first cause this is pretty easy to do and is alot cheaper.
Posted on Feb 12, 2009
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