Question about HP LaserJet 2840 Printer

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I have a hp color laserjet 2840 printer, it is showing scanner 5 please send the solution. thanking you,

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Welcome to Fixya

It's a problem with the scanner unable to "see" its home sensor. The home sensor is a black & white film strip stuck onto the flatbed glass, just above where the scanner head homes. The printer needs to "see" the two little black 1mm square bumps in the white area. When the scanner head "homes", as it just disappears under the plastic it should move left and right as it looks at the home strip. If it keeps going and chatters at the right-stop it didn't see the home strip. Clean under the glass unplug all of the wires and get a can of air spray and spray the leads and the adf plug in too.

Let me know if you need further assistance.

Thank you for using Fixya!

Posted on Mar 26, 2011

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