In the event that you are experiencing problems with your Canon Printers, look at canon printer troubleshootingtechniques. Installing and locking down the ink tank proved to be a difficult task due to careless installation. Low ink levels are another possibility. The use of the CD-R Tray for printed DVDs/CDs is incorrect. There must be a problem with the machine's network connection. When you first began printing, the rear cover was open. The printer driver does not identify your device. The printer port was set up wrongly (Windows).