Ribbon access
cover
LED indicator
Feed button
Media view window
Fan-fold paper
entrance chute
Power switch
Top cover open
lever
SD card socket
Ethernet interface
USB
Centronics
interface
Power jack
socket
RS-232C
Ribbon rewind hub
interface
interface
Printhead
Top cover
Media holder
Black mark sensor
Ribbon supply hub
Gap sensor
(receiver)
Top cover support
Ribbon rewind gear
Gap sensor
(transmitter)
Media holder
lock switch
Platen roller
Media guide adjustment knob
Media guides
WPL304 Quick Start Guide
