Question about HP LaserJet 2840 All-In-One Printer

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HP2840 All-In-One. Makes loud squealing noise when calibrating & printing. As if it needs oiling.

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Thy taking the imaging drum out and power cycle. If the noise goes away replace it. If the noise persist it might be the carousel

Posted on Sep 08, 2010

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Rainbow SE makes Squealing Noise when switching it On/Off


http://geeksquad.fixya.com/ThreadView.aspx?prdid=19674&thid=528929
Rainbow SE makes Squealing Noise when switching it...
Posted by ray_s51 on Apr 20, 2008
My Rainbow SE works and runs strong but when I switch it on and off for approx. 20 to 30 seconds the motor makes a loud squealing noise. Do I need to oil something or what? Nothing smells, it does not make the noise all the time, but it does more often than not. Thanks

Hello,
I would advise you to ALWAYS to FIRST UNPLUG YOUR VACUUM before beginning any service procedure. Rainbow E Series Canister Wet/Dry Vacuum.

The Rainbow has 3 fans in the bottom of the motor and if they are weak they will make noise from the motor unit. Watch out… the repair of the Rainbow may exceed the cost of a new motor of which will solve your problem of noise and separator --- compare the cost and the labor and make a decision. The separator is part of the armature, the separator should be able to be removed and that might be one of the things making noise. As normal maintenance the separator should be removed and cleaned after every use and re-installed, then place a newspaper or towel under the motor unit and turn on the Rainbow and spin the moisture out of the motor unit. This should be done every time you use it. If you have further questions please feel free to contact your local vacuum cleaner dealer. . So if you need further assistance, please feel free to contact your local vacuum cleaner dealer in your area or in the yellow pages, or contact the factory phone number or website to further assist you with your questions.
The Rainbow / RexAir Factory phone number is listed below:
http://rainbowvacuum.com Customer Service
1-248-643-7222 Monday thru Friday from 9:00 am to 5:00 pm EST

Thanks, Don the Vac Man
Go Ahead. Use Us.

Apr 20, 2008 | Rainbow E series Canister Wet/Dry Vacuum

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