PRINTER HARDWARE COMPONENTS
System control console
The terminal shown sitting on the top of the system controller is
the keyboard and display used by the operator to start jobs,
display messages and job status, and enter form and job
definition commands.
Keyboard and display
The keyboard and display enable interaction with the 4890 LPS to
initiate and monitor jobs. The display is 80 character spaces
horizontally (columns) and 24 character spaces vertically (lines).
The keyboard has 128 displayable characters and 20 function
keys.
Figure 2-3.
Keyboard and display
System controller panel
The system controller is powered on or off, booted, and
switched between local and remote power using the buttons on
this panel.
Figure 2-4 shows the 4890 controller panel. There are three LED
indicators. One LED is situated next to the system power
button. When lit, this LED conveys that the system power is
switched ON. The other two LEDs are the Remote and Local
buttons that indicate the operating mode of the controller.
XEROX 4890 HIGHLIGHT COLOR LPS PRODUCT REFERENCE
2-3