Chapter 6: Graphics Commands for 9-Pin Printers58
Table 38: ML ESC * Command —
Densities for n
1
Values (9-Pin Printers)
Dots per inch/Density Value of n
1
60 dpi 1
72 dpi 2
Single density 4
Double density 8
Quadruple density 16
For example, for 60 dpi printing at quadruple density, the value of n
1
would be calculated as
follows:
n
1
= 1 + 16 + 96 = 113
Parameter n
2
This parameter specifies the speed of the printing and a word length of 8 bits. To calculate the
value of n
2
, first select the speed and determine the value of n
2
for that speed from the table
below. Next, select 7 or 8-bit graphics and determine the value of n
2
for that word size from the
table. Add each of these two values together, then add 64 to the total.
Table 39: ML ESC * Command —
Speed & Word Sizes for n
2
Values (9-Pin Printers)
Speed/Word Size Value n
2
Normal speed 0
Double speed 8
7-bit graphics 0
8-bit graphics 16
For example, for double speed, 8-bit graphics, the value of n
2
would be calculated as follows:
n
2
= 8 + 16 + 64 = 80
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