GG asked ... Fix food processor motor?    |    T asked ... How do I turn the delay off on Electrolux DX302 dishwasher?    |    Helen asked ... How can I mend my Kenwood Gourmet FP505?    |    Roy Turner asked ... Kohlangaz Gosford HE fire?    |    Peter asked ... How can I mend a Powerwasher PRO PRO1800PWE?    |    Click here to ask your question

HP LaserJet 4L will not print?

I have an HP LaserJet 4L. It reports no paper when there is paper in the tray. I imagine that there is a sensor that needs cleaning or replacing. Where to start looking to solve the problem?
Brian S Boyes, March 2010