User’s Manual7-17. TroubleshootingIf you have problems with the operation of your scanner,please check the following troubleshooting hints.7.1 Frequently asked QuestionsQuestion: When the scanner is powered on, it makes noisesand won’t stand ready.Answer: There are two possibilities:1) You might fail to push the scanner shipping lockto its “use” position. If this is the case, pull thescanner status switch to its “use” position first.2) The scanner is not placed on an even, flatdesktop surface. This may cause the scanner tomalfunction.Question: The scanner is powered on, but the lamp does notlight up.Answer: The lamp is probably out of order. Contact yourlocal dealer or distributor to replace the lamp. Foryour information, the average life time of the lamp isabout 15,000 hours and the operating temperaturefor the scanner is between 10°C(50°F) and40°C(104°F).