Maintenance_ 294. Reinsert the printing cartridge into the machine. Ensure that the printingcartridge snaps into place.5. Close the front cover. Make sure that the cover is securely closed. If it isnot firmly closed, printing errors may occur when you print.REPLACING THE TONER CARTRIDGEWhen the toner LED blinks red, it means the machine’s toner is empty. Atthis stage, the toner cartridge needs to be replaced.When the toner LED lights red, it means the machine’s toner is totallyexhausted. Your machine stops printing.Also, the Smart Panel program window appears on the computer telling youto replace the toner cartridge.At this stage, the toner cartridge needs to be replaced. Check the type oftoner cartridge for your machine. (See "Supplies" on page 43.)1. Turn the machine off, then wait a few minutes for the machine to cool.2. Grasp the front cover and pull it toward you to open.3. Pull the printing cartridge out and remove it from the machine.Because the machine is very light, it may be moved when youuse it; for example, when opening/closing the tray or installing/removing the printing cartridge. Be careful not to move the machine.• Avoid reaching too far into the machine. The fusing area may behot.• To prevent damage to the printing cartridge, do not expose it tolight for more than few minutes.Because the machine is very light, it may be moved when you use it;for example, when opening/closing the tray or installing/removing theprinting cartridge. Be careful not to move the machine.
