Lexmark X642e manual Callout Control panel item Function

Callout	Control panel item	Function
7	Start	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.
8	Stop	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 automatic document
		feeder (ADF).
		During a print job, the print media path is cleared
		before the printing stops.
		Stopping appears on the control panel during this
		process.
9	Backspace	Within the Copy menu, which is accessed by
		touching the Copy button, press Backspace to
		delete the right-most digit of the value in the Copy
		Count. The default value of 1 appears if the entire
		number is deleted by pressing Backspace
		numerous .
		Within the Fax Destination List, press Backspace to
		delete the right-most digit of a number entered
		manually. It also deletes an entire shortcut entry.
		Once an entire line is deleted, another press of
		Backspace causes the cursor to move up one line.
		Within the E-mail Destination List, press
		Backspace to delete the character to the left of the
		cursor. If the entry is in a shortcut, the entire entry
		is deleted.
10	Asterisk (*)	* is used as part of a fax number or as an
		alphanumeric character.
11	Home	Returns the control panel to the Home screen. See
		the “Home screen and Home screen buttons” on
		page 18 for more information.
12	Help Tips	Accesses the context-sensitive Help feature which
		are help screens containing more information.
13	Menu	Accesses the menus. These menus are only
		available when the MFP is in the Ready state.

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