Canon PIXMA G620 G600 series User Manual - Page 295
USB Connection Problems
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USB Connection Problems If the printer connected to the computer via USB is not recognized, check the following items. USB Connection Not Recognized The following problems may occur even though the USB connection is recognized. • Printing (scanning) is slow. • Hi-Speed USB connection does not work. • A message such as "This device can perform faster" appears. (Windows) If the above is the case, check the following. USB Connection Does Not Work Properly Note • If your system environment does not support Hi-Speed USB, the printer operates at the slower speed of Full-Speed or Low-Speed. In this case, the printer works properly but printing or scanning speed may slow down due to the communication speed. USB Connection Not Recognized Check1 Check that printer is turned on. Check2 Connect USB cable properly. As the illustration below, the USB port is at the back of the printer. Important • Check the orientation of the "Type-B" connector and connect to the printer. For details, refer to the instruction manual supplied with the USB cable. Check3 Check that Enable bidirectional support is selected in Ports sheet of Printer properties dialog box. (Windows) 295
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