Canon IMAGECLASS MF4150 - Manual (Page 34)

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M [Stop/Reset] key
Press to stop a current job. Also, press to
return the machine to the standby mode.
N Error indicator
Flashes when an error has occurred.
O Processing/Data indicator
Flashes during sending or receiving faxes.
Lights when the machine has waiting jobs
and stores the data in memory.
P [Start] key
Press to start copying, scanning and sending
faxes.
Q Numeric keys
Enter letters and numbers.
R [Tone] key
Press to switch from rotary pulse to tone
dialing.
S [Clear] key
Press to clear entered alphanumeric
characters.
T [ ] key
Press to increase the value for various
settings. Also press to see the next item in
the menu.
U [OK] key
Press to accept a set function or mode.
V [ ] key
Press to decrease the value for various
settings. Also press to see the previous item
in the menu.
W LCD display
Displays messages and prompts during
operation. Displays selection, text, and
numbers when adjusting the settings.
X [Toner Gauge] key
Press to check the toner remaining in the
toner cartridge.