That is something they often do. I recall one of the times I bought a HP with document feeder and scanner that it was rated one of the most economic in terms of

That is something they often do. I recall one of the times I bought a HP with document feeder and scanner that it was rated one of the most economic in terms of its cleaning. Some of them consume insane amounts of ink just cleaning themselves on a daily basis or on start whereas other models from HP are rated some of the best in the inkjet industry for this and use very little.