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We have replaced new imaging drum for HP Colour Laser jet 2840 but it is still saying we need to replace it? How do we get round this problem or what are we doing wrong?

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Hi Katherine,
This has to do with a chip on the Imaging Drum Unit. The chip has been "spent" or faulty. Whether it is a brand new HP Drum unit or a refurbished one, you should bring it back to your supplier.
Note that just replacing the chip on a used Drum Unit would have problems later as there is a waste bin which could be nearly fully.

Rgds
S88

Posted on Dec 22, 2008

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