Lexmark X422 User Reference Manual page 157

Using the MFP control panel and menus
Button
Backspace
Note: A left arrow icon is molded into
it.
Dial Pause
Note: The following icon is molded
into the button: ||
Start
Note: This is a large, round, green
button.
Stop
Note: This is a small, red button.
Clear All
Note: A "C" is molded into it.
Function
Within the Copy menu accessed by pressing the Copy button, press
this button to delete the right-most digit of the value in the Copy
Count. If the entire number is deleted by pressing the Backspace
button numerous times, the default value of 1 is displayed.
Within the Fax Destination List, press this button to delete the
right-most digit of a number entered manually. It also deletes an
entire Address book or shortcut entry. Once an entire line is deleted,
another press of the Backspace button causes the cursor to move up
one line.
Within the E-mail Destination List, press this button to delete the
character to the left of the cursor. If the entry is in an Address Book
selection or shortcut, the entire entry is deleted.
Press to cause a one-second dial pause in a fax number. The button
only functions within the Fax menu or with fax functions.
Press from the Home screen to re-dial a fax number.
If this button is pressed when outside of the Fax menu, fax function,
or Home screen, then an error beep sounds.
When sending a fax, in the Fax To: field, a dial pause is represented
by a comma (,).
Press to initiate the current job indicated on the control panel.
From the Home screen, press it to start a copy job with the default
settings.
If pressed while a job runs through the scanner, the button has no
effect.
If pressed within the Fax or E-mail menus, it starts the job. When no
destination information is defined, an error beep sounds.
Press to cause the printing or scanning to stop.
During a scan job, the scanner finishes scanning the current page
and then stops, which means paper may remain in the ADF.
During a print job, the print media path is cleared before the printing
stops.
The Stopping message displays on the control panel during this
process.
Press to restore all default settings to a screen and return the MFP to
the Home screen.
When in the Administration menus, it cancels all changes that have
not been submitted and returns the MFP to the Home screen.
When in other menus, it returns all settings to their default values, and
then returns the MFP to the Home screen.
Understanding the MFP control panel
157