hewlett packard printer 640C

By majkehoe ·
paper feed light flashes to indicate no paper when there is paper in printer... what is the problem??

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Feed Pickup

by TheChas In reply to hewlett packard printer 6 ...

The most likely problem is a failure of the paper feed mechanism or sensor.

I believe that the 640 like most printers does not monitor the paper in the tray, but instead errors when it does not see a sheet of paper when feeding.

Does the printer even attempt to feed a sheet of paper?

If so, and paper does not feed, either the paper pickup, or the sheet separator are not working properly. A good possibility is that the feed rollers have become so glazed with age that they can no longer grab a piece of paper and feed it through the printer.


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User manual info

by mjd420nova In reply to hewlett packard printer 6 ...

The user manual gives very little info when refering to error light and sensor placement. Somewhere in the back of the paper loading tray is a small sensor and it is probably dirty. A can of air would do a lot of good and if you can see the sensor clean it. You buy a new one for the price a service center to fix yours.

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