Lexmark 5021-0XX - Manual (Page 77)

General information 1-51
5021-0XX
Interface control
Interface type
Through the video interface, the RIP controls the printer and
operator panel using command/status communication and transmits
the synchronized video data to the printer laser diode. The operator
panel is physically resident on the engine.
Interface connection
The interface connector of the laser printer is connected to the host
system as shown in the following illustration.