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This is regarding the HP M608 (M607...) printer and the Size Detect Assembly.  I've come across many that keep bringing up the size mismatch error, usually switching between Letter & Legal at random.  The paper tray is always set for Letter.  I've been successful only a couple of times after replacing the Size Detect Assembly, usually the problem never goes away.  Has anyone else had this problem and any other solution that I missed?  Thanks!

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