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IBM Proprinter Emulation
57
The left margin is inclusive, but the right margin is exclusive. For example, a left margin at column 11 still
allows a character to be printed in column 11. A right margin at column 76 allows a character to be printed
in column 75, but not in column 76.
The leftmost column is column one. If n1 or n2 is zero, the corresponding margin is not changed. The left
margin must be left of the right margin and ≥13.4 inches. The right margin must be right of the left margin and
≥13.6 inches. Invalid margins will be ignored. Overrides the “Left Margin” and “Right Margin” values in the
forms menu.
Example: The following escape sequence will set a one inch left margin, and will set a right margin 7.5 inches
from the left edge of the form, if character spacing is currently 10 cpi. For a standard 8.5 inch wide form, this
would result in a one inch right margin.
Escape Sequence: ESC X 11 76
Hexadecimal: 1B 58 0B 4C
Vertical Margins
Printing is allowed only within the top and bottom margins. Exceeding the bottom margin will set the current
line to the top margin of the next form.
Set Perforation Skip ESC N n
Sets the perforation skip distance to n lines at the current line spacing. 1≥n≥255. If line spacing is changed
after setting the skip distance, the skip distance will not be changed.
The skip distance is split between the top and bottom margins, so the perforation will be centered in the
resulting white space. The specified skip distance must be less than the form length, or the command will be
ignored. Perforation skip is canceled by ESC O, ESC C n or ESC C NUL n. Overrides the “Top Margin”
and “Bottom Margin” values in the forms menu.
Example: The following escape sequence will set a two inch perforation skip distance, if the current line
spacing is 6 lpi. This will result in a one inch top and bottom margin.
Escape Sequence: ESC N 12
Hexadecimal: 1B 4E 0C
Cancel Perforation Skip ESC O
Cancels perforation skip. This is equivalent to having no top and bottom margin. Overrides the “Top
Margin” and “Bottom Margin” values in the forms menu.
Escape Sequence: ESC O
Hexadecimal: 1B 4F