When trying to scan, copy, or fax, one of the following error messages displays on the printer control panel: ' 1 Scanner failure, power off and on'. ' 2 Scanner System Failure'. ' 3 Scanner failed, cannot make copies or fax 4  '. 'Scanner failure. Unable to scan, copy, or send a fax'. ' Scanner failure, cycle power'.
Income Elasticity of Demand and types of goods. Income elasticity of demand measures the responsiveness of demand to a change in income. 1  Inferior Good: An inferior good means an increase in income causes a fall in demand.2  It has a negative YED. 3  An example, of an inferior good is Tesco value bread.ncome elasticity of demand measures the responsiveness of demand to a change in income. 1  Inferior Good: An inferior good means an increase in income causes a fall in demand. 2  Normal Good. 3  Luxury Good.
1.Normative economics mainly deals with value judgments of economy. Positive economics mainly focuses on statistics, factual information, and indulges on the scientific formula for determining what an economy should look like. 2.Positive economics deals with the relationship between cause and effect.ositive economics is based on facts or what is really going on in the economic field. Normative economics, which is also known as policy economics, makes use of judgments and opinions.