User`s guide

The Power light is on
❏ If no buttons are pressed for 3 minutes, all lights other than the P Power light automatically
turn off to save energy. Press any button (except the P Power button) to return the control
panel to its previous state.
❏ Turn off the printer and computer. Make sure the printer’s interface cable is securely plugged in.
❏ If you are using the USB interface, make sure your cable meets the USB 1.1 or 2.0 standards.
❏ If you are connecting the printer to your computer via a USB hub, connect the printer to the
first-tier hub from your computer. If the printer driver is still not recognized on your
computer, try to directly connect the printer to your computer without the USB hub.
❏ If you are connecting the printer to your computer via a USB hub, make sure the USB hub
device is recognized by your computer.
❏ Turn off the printer and the computer, disconnect the printer’s interface cable, then print an
operation check page.
& See “Running a printer operation check” on page 166.
If the check page prints correctly, make sure the printer driver and your application are
installed correctly.
❏ If you are trying to print a large image, your computer may not have enough memory. Try
reducing the resolution of your image or printing the image at a smaller size. You may need to
install more memory in your computer.
❏ Uninstall the printer driver, then reinstall it.
& See “Uninstalling the Printer Software” on page 20.
B-310N/B-510DN User’s Guide
Troubleshooting 186