User’s Guide Getting to Know Your Product Lights * The availability of this part varies by product. 16 Lights Function On when the product is on. Flashes when the product is receiving data, printing/copying/scanning, or cleaning the print head. Stays on while the product is connected to a Wi-Fi network. Flashes while the Wi-Fi network settings are being made. This light turns off in sleep mode*. ADF On when originals are detected in the ADF.