The printer is protected during shipping by a transportation damper that must be removed before you turn on the printer.
1.Pull the damper out and remove the strip of tape from the top of the printer, as shown below.
Note:
steps: turn on the printer, press the RELEASE button, press the FORWARD button, turn off the printer, and put the transportation damper back where it was when you received the printer.
You need an appropriate interface cable to connect your computer to the printer.