SATO CL608VA Expansion rate is at least 3 times in each direction, Character Pitch command see

		Section 4. Programming Reference
Special Notes	1.	Auto-smoothing (when enabled) is only effective if the character
		expansion rate is at least (3) times in each direction.
	2.	Characters may be enlarged through the use of the <ESC>L
		Character Expansion command (see Page 4-23).
	3.	Character spacing may be altered through the use of the <ESC>A
		Character Pitch command (see Page 4-26).
	4.	A font must be defined for each field to be printed. There is no
		default font.
	5.	The proportionally spaced fonts XU, XS, XM, XL and XB can be
		printed with fixed spacing using the <ESC>PS Proportional Space
		command.

SATO CL Series Printers 9001035 Rev. E Page 4-39