Toshiba B-EP Series Interface Specification page 651

(6) When "3: Auto1" or "5: Auto2" is designated for the 2-inch print head, "Not divided,"
"Divided by 3" or "Divided by 2" is automatically selected for every line according to
the print ratio. The width of half a dot may not be printed on the line when
switching among "Not divided," "Divided by 2" and "Divided by 3." Therefore, do
not designate "3: Auto1" or "5: Auto2" when a serial barcode is printed.
The difference between Auto1 and Auto2 is while Auto1 is print quality oriented,
Auto2 is print speed oriented. Auto2 is designated to increase the print speed
although the print is slightly faded.
(7) When "0: Auto" is designated on the 4-inch print head, "Divided by 2", "Divided by
3" or "Divided by 6" is automatically selected for every line according to the print
ratio. The width of half a dot may not be printed on the line when switching
among "Divided by 2," "Divided by 3" and "Divided by 6."
designate "0: Auto" when a serial barcode is printed.
(8) When "3: Auto1" is designated on the 4-inch print head, "Not divided," "Divided by
2," "Divided by 3" or "Divided by 6" is automatically selected for every line
according to the print ratio. The width of half a dot may not be printed on the line
when switching among "Not divided," "Divided by 2," "Divided by 3" and "Divided by
6." Therefore, do not designate "3: Auto1" when a serial barcode is printed.
CHAPTER 10 SYSTEM MODE (INTERFACE COMMANDS)
10-12
B-EP Series
Therefore, do not