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.
In economics, one way that two or more goods can be classified is by examining the relationship of the demand schedules when the price of one good changes. This relationship between demand schedules leads to classification of goods as either substitutes or complements. Substitute goods are goods which, as a result of changed conditions, may replace each other in use (or consumption).