● Are the SMB settings configured correctly? In particular, check that the DHCP server and WINS server areconnected properly if you are using them. Configuring SMB(P. 235)● If the SMB settings are correctly configured, set a time value slightly longer than usual in Startup>. Setting a Wait Time for Connecting to a Network(P. 212)USB connection● Have you selected the correct port? If there is no port to use or you are not sure, reinstall the printerdriver. When you reinstall the printer driver, the correct port is created automatically.Checking the Printer Port(P. 600)● Is bidirectional communication enabled? Enable bidirectional communication, and restart the computer.Checking Bidirectional Communication(P. 601)● Disable security software and other resident software.● Connect to another USB port on the computer.● Can you print from a USB connection to another computer? If you also cannot print from other computers,contact your local authorized Canon dealer or the Canon help line.Via print server● Can you print from the print server? If you can print from the print server, check the connection betweenthe print server and your computer.Problem with the Print Server(P. 487)● Disable security software and other resident software.● Reinstall the printer driver. For more information, see the manuals for the relevant drivers on the onlinemanual website.● Can you print from other computers via the print server? If you also cannot print from other computers,contact your local authorized Canon dealer or the Canon help line.You cannot print with Google Cloud Print.Using Google Cloud Print(P. 172)It takes a long time before printing starts.● Did you print to narrow width paper? After you print to narrow width paper, the machine may cool itself tomaintain the print quality. As a result, it may take some time before the next job is printed. Wait until themachine is ready to print. Printing will resume when the temperature inside the machine has fallen.A blank sheet is output (nothing is printed).● Did you pull the sealing tape out when loading the toner cartridge? If you did not pull it out, remove thetoner cartridge, pull the sealing tape out, and reload the toner cartridge.How to Replace Toner Cartridges(P. 513)Printing has stopped halfway.● Is the [ ] indicator lit? If it is lit, the machine has not received a command for the print data end. If theprinting is not resumed even after a while, select Form Feed(P. 449)● If you cannot perform any operation, hold down the power switch for 5 seconds or more to turn OFF thepower. Wait for 10 seconds or more after you have turned OFF the power, then turn it ON again and retryprinting.Troubleshooting490