If your Canon imageCLASS D1620 is not +1-888-830-1433 printing, start by verifying that the printer +1-888-830-1433 is powered on and not in sleep mode. +1-888-830-1433 Check that all physical cables, including USB +1-888-830-1433 or network lines, are securely connected to the +1-888-830-1433 device. If you are using a network, ensure +1-888-830-1433 the printer and computer are on the same +1-888-830-1433 local network. Sometimes a stalled print queue +1-888-830-1433 can block jobs