Identifying printer components Printer control panel The printer control panel has two lights and one lighted button. These lights produce patterns that identify the printer status. Ready light (green) Go button and light (green) Attention light (amber) Figure 7. Printer control panel z G O button and light— Prints demo pages. (To print a demo page or to continue printing while in manual feed mode, press and release the G O button.) z Ready light— Indicates that the printer is ready to print. z Attention light— Indicates that the main input tray is empty, print cartridge door is open, print cartridge is missing, or other errors. ENWW Identifying printer components 29