52 Operation ENWW
Control panel
This section provides information about the control panel and its features.
Control-panel layout
The control panel contains the following controls:
● a graphical display that can show up to two lines of messages
● four navigation buttons:   (BACK arrow),   (UP arrow),   (DOWN arrow), and   
(S
ELECT)
● a  (HELP) button
● a PAUSE/RESUME button
● a CANCEL JOB button
● three light-emitting diode (LED) indicator lights: Ready light, Data light, and Attention light
See “Troubleshooting with control-panel messages” on page 184 to identify and troubleshoot 
control-panel messages.
Figure 14.  Control-panel layout
CANCEL JOB 
button
R
EADY 
light
UP
button
Graphical display
D
ATA 
light
A
TTENTION 
light
HELP 
button
PAUSE/RESUME
button
B
ACK 
button
DOWN 
button
S
ELECT 
button