Set quadruple-density image mode - Page 338

Brother HL-7050N Command Reference Guide for Software Developers

Table of Contents

Technical Reference Guide
GLOSSARY
background image

 

CHAPTER 7 IBM PROPRINTER - 20 

Set quadruple-density image mode 

EscZn

1

n

2

<image data> (27)(90)n1n2<image data> 

<1Bh><5Ah>n1n2<image 

data> 

 

This command enables you to define and print a single line raster bit image on a single text line. 

 

n

1

 and 

n

2

 define the number of bytes that comprise the image. 

 

The image consists of 256*

n

1

+

n

2

 bytes of data,  each byte representing a single vertical column of 

4/30". 

 

Images are printed left to right. 

 

Images are printed at an approximate horizontal resolution of 240 dots per inch and at an approximate 
vertical resolution of 72 dots per inch. 

 

Each byte represents a vertical column of eight dots, the most significant bit representing the dot at the 
top.  Simply set a bit to 1 if you want a dot to appear in that position, and to 0 if you want white space 
to appear. 

10 WIDTH "LPT1:",255 
20 LPRINT "*** ESC Z n1 n2 ***";CHR$(10); 
30 FOR I=1 TO 5 
40 '* QUADRUPLE-DENSITY BIT IMAGE MODE * 
50 LPRINT CHR$(27);"Z";CRH$(16);CHR$(0); 
60 FOR J=1 TO 8 
70 FOR K=1 TO 20 
80 N=2^J-1 
90 LPRINT CHR$(N); 
100 NEXT K 
110 NEXT J 
120 LPRINT CHR$(10); 
130 NEXT I:END 
 
< Sample 18 > 

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