Figure 7-2 Location of the Engine Test Button Printing an Engine Test To print an engine test, use a non-metallic object (such as a pencil) to press the engine test button. A single test page with vertical lines prints. To print multiple test pages, hold down the engine test button. Display The Control Panel should display READY , OFFLINE , or POWERSAVE ON . For information about errors displayed, access the Event Log (see page 7-13). If the display is blank, see page 7-7. 7-12 Troubleshooting