Question about HP DeskJet 840c InkJet Printer

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Orange Light is Blinking

My printer green light is ON and orange light flashed for a long period and when i switch it OF and i ON it again, the same problem am facing.i have change the cartirage but still the same problem , pressing the orange button to try and tell it that the paper tray is full but to no avail. also when i turn it off and back on it makes the same! help!

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  • Soditagain Sep 19, 2008

    Orange light flashing with green light on. Cartridges move to right when lid closed and back to middle when lid raised. Printer will not print.

  • Paul Teichmann May 11, 2010

    It sounds like the cover switch on the cover may be bad. Try lifting the cover after turning it on. The carriage that holds the cartridges should be at the extreme right as soon as you open the cover, then will move to the middle. If it's already in the middle as soon as you open it and doesn't move back to the right after you close it, you've got a bad switch. The printer doesn't 'see' the cover as being closed, and that will require some hands-on repair.



    Hope this helps, and please rate my advice, good OR bad.



    Good luck!

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  • 139 Answers

Use a tooth brush n dip in a spirit or fuel then clean the catridege head sensor very well for both black and colored then leave it to dry aftyer which reinsert yr ink and check if it still occures and ur sure yu have replaced the ink then the catridge head is bad
thank u

Posted on May 26, 2008

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