9-17Troubleshooting9Scanned images are dirty.Q Is the platen glass or the platen glass cover clean?A Clean the platen glass or the platen glass cover. (See "Cleaning the Scanning Area," on p. 8-1.)White streaks appear on the left side of the image.Q Is the document placed on the platen glass correctly?A Place the document approximately 3 mm from the edge of the platen glass.General ProblemsThe machine has no power.Q Is the power cord plugged in securely?A Check that the power cord is plugged securely into the machine and into the wall outlet. Insert thepower cord straight into the power socket on the back of the machine. Do not insert it at an angle.Otherwise, the machine may not be properly connected to the power source and may not turn on. Ifthis happens, disconnect the power cord, and reconnect it correctly after a minute or more. (See"Connect power cord," in the Set-Up Sheet.)Nothing appears in the LCD.Q Is the power cord plugged in securely?A Check that the power cord is plugged securely into the machine and into the wall outlet. Insert thepower cord straight into the power socket on the back of the machine. Do not insert it at an angle.Otherwise, the machine may not be properly connected to the power source and may not turn on. Ifthis happens, disconnect the power cord, and reconnect it correctly after a minute or more. (See"Connect power cord," in the Set-Up Sheet.) If the LCD remains blank, unplug the machine and waitapproximately 3 minutes to 5 minutes until the temperature inside the machine lowers, then plug it inagain. If the LCD remains blank, unplug the machine, and contact your local authorized Canondealer or the Canon help line.Q Does the Energy Saver key go off?A When the Energy Saver key lights up, the energy saver mode activates. To restore the machine fromthe energy saver mode, press [Energy Saver].