C HECK THE USB CONNECTION1 Check the USB cable for any obvious damage. If the cable is damaged, then use a new one.2 Firmly plug the square end of the USB cable into the back of the printer.3 Firmly plug the rectangular end of the USB cable into the USB port of the computer.The USB port is marked with a USB symbol.RECONNECT THE PRINTER POWER SUPPLY1 Turn off the printer, and then unplug the power cord from the wall outlet.2 Gently remove the power supply from the printer, and then reinsert it.3 Plug the power cord into the wall outlet, and then turn on the printer.Print job does not print or is missing pagesIf the "Before you troubleshoot" checklist does not solve the problem, then try one or more of the following:MAKE SURE THE INK CARTRIDGES ARE INSERTED CORRECTLY1 Turn the printer on, and then open the printer.2 Make sure the cartridges are inserted correctly.The cartridges should click firmly into the matching color slot of the printhead.3 Close the printer.SELECT YOUR PRINTER FROM THE PRINT DIALOG BEFORE SENDING THE PRINT JOBMAKE SURE THE PRINT JOB IS NOT PAUSEDMAKE SURE YOUR PRINTER IS SET AS THE DEFAULT PRINTERRECONNECT THE PRINTER POWER SUPPLY1 Turn off the printer, and then unplug the power cord from the wall outlet.2 Gently remove the power supply from the printer, and then reinsert it.3 Plug the power cord into the wall outlet, and then turn on the printer.REMOVE AND RECONNECT THE USB CABLE CONNECTED TO YOUR PRINTERC HECK THE USB CONNECTION1 Check the USB cable for any obvious damage. If the cable is damaged, then use a new one.2 Firmly plug the square end of the USB cable into the back of the printer.Troubleshooting104