Question about HP LaserJet 2840 All-In-One Printer

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HP LaserJet 2840 Scanner Error

When powering on this HP 2840 it says "Scanner Error 6"
What does the 6 indecate?

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  • 10 more comments 
  • nani12 Apr 22, 2008

    scanner error 6

  • Anonymous Jul 10, 2008

    intermittent scanner error 6 on display console

  • starcybercaf Aug 19, 2008

    OK, I HEVE A PROBLEM , MI MACHINE SAY A MASSAGE, ERROR SCANER 3/OFFAND ON AGAIN.



    I TRY VERY TIMES THIS KEY, BUT DONT HAVE RESULTS.



    YOU CAN HELP ME.



    THAN JULIAN C.

  • Anonymous Oct 15, 2008

    I have the exact same problem and the machine will not let me do anything else! HELP!!

  • Anonymous Oct 16, 2008

    I have a message that says scanner error 6

    how do i fix it, i got told that when i swich the machine on i must hold star and enter but that doesnt work



    PLEASE HELP!!!!!!!!!!

  • lloydraku Dec 03, 2008

    I cant scan on my hp laser jet 2840 as it shows error 3 and prompts me to restart it for several times.

  • mharrilljr Dec 08, 2008

    Our copier is set up to be used as a basic copier and fax it is not set up to fax. Someone pressed the scan button and know Scanner Error 5 is displayed. It says to turn off then on I have done this and it still has not fixed the problem.

  • ahhf0321 Jan 09, 2009

    hp 2840 scanner error 11

    turn off then on

  • raybiez Jan 14, 2009

    Scanner Error 5 here. Any thoughts?

  • Anonymous Feb 17, 2009

    Scannerfout 6 bij opstarten.

  • Anonymous Mar 30, 2009

    Scanner error 3, the All-in-one cannot print eather

  • Anonymous Mar 18, 2014

    download update from ware hp laserjet 2840

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When poering on this HP 2840 it says" Scanner Error 5"
what does it mean? How to get a solution?

Posted on Aug 06, 2008

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Scanner Error 6 for HP Laserjet AIO 2840

Finally fixed the problem... hopefully.

Tools:
1 - torx screwdriver
1 - flathead screwdriver
1 - microfiber or some cleaning that doesn't leave dust

Fix:

  1. Turn off the printer
  2. Take the ADF unit off: unplug the power connector of the ADF unit and pinch the holding brackets
  3. using torx screwdiver remove the screws on top of scanner unit
  4. using the flathead carefully lift the top of the scanner unit (including the glass)
  5. using microfiber clean the inside of the glass, especially the area with the "black/white" bars. This is the "Home" location of the scanning head. DON'T USE any spray or liquid!!!
  6. gently move the exposed scanner head (that's the thing the glows and moves) about 1/2 inch from the home location to the left.
  7. Reverse the steps above to put the glass and scanner
  8. Once the printer is on, the scanner head will be lost and will seek the "Home" location. Now that the "Home" location is clean, it will find it. Error should disappear. If it does not then you need to move the scanner head more the 1/2 inch.

Posted on May 20, 2009

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Scanner Error 6, HP Laser jet 2840

Solved problem by cleaning inside of glass near moving scanner bulb. It was fairly clean except for a small piece of paper about a quarter inch long that became lodged in the corner of the glass. I suspect this was the culpret.

Make sure to remove all 8 torx screws on top the scanner unit, including the hidden two, under the keypad cover plate! Then carefully pry off the scanner cover to access the underside glass pane. I used a clean white t-shirt and the water vapor from my breath to clean, and it worked like a charm. Unit was still under a five year warranty, which probably wouldn't cover this issue anyway, and who wants to lug a 75LBS unit to the repair shop.

Good Luck!

Posted on Aug 23, 2009

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Please Open It Scaner And Clean It Or Call Professional Eng 9220949183

Posted on May 23, 2008

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I can not scan on my HP 2840. here is the error message.
HP LaserJet 2840 Scanner Error - moz-screenshot.png
an error ocurred during preview. If the scanner is being used, please wait for it to complete the task, and then click Preview.

Scanning has not worked for weeks. I turned it off and on several times.

Posted on Jan 08, 2010

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Posted on Jan 02, 2017

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