Canon imagePROGRAF PRO-300 PRO-300 series User Manual - Page 474

Printer Does Not Print Check1 Make sure printer is turned on. If not, make sure the printer is securely plugged in and press ON button to turn on. The ON lamp flashes while the printer is initializing. Wait until the ON lamp stops flashing and remains lit. Note • If you are printing large data such as photos or other graphics, printing may take longer to start. The ON lamp flashes while the computer is processing data and sending it to the printer. Wait until printing starts. Check2 Make sure printer is properly connected to computer. If you are using a USB cable, make sure it is securely connected to both the printer and the computer. When the USB cable is securely plugged in, check the following: • If you are using a relay device such as a USB hub, disconnect it, connect the printer directly to the computer, and retry the printing. If printing starts normally, there is a problem with the relay device. Contact the vendor of the relay device. • There could also be a problem with the USB cable. Replace the USB cable and retry the printing. If you use the printer over a LAN, make sure the printer is correctly set up for network use. Cannot Find Printer while Using Wi-Fi Cannot Find Printer while Using Wired LAN Note • IJ Network Device Setup Utility allows you to diagnose and repair the network status. Select the link below to download IJ Network Device Setup Utility and install it. Checking Printer Connection Status Using IJ Network Device Setup Utility See below for starting up IJ Network Device Setup Utility. • For Windows: Starting Up IJ Network Device Setup Utility • For macOS: Starting Up IJ Network Device Setup Utility Check3 Check bandwidth used by wireless router and printer. If you connect with Wireless Direct while the printer is connected to the wireless router in the 5 GHz bandwidth, the connection between the wireless router and the printer is canceled. (Some countries and regions may not 474