Compuprint 4247-Z03 Programmer Manual - Manual (Page 79)

This control specifies bidirectional or unidirectional printing.
v If NN is an odd value (1, 3, 5, ...) unidirectional printing is selected.
v If NN is an even value (0, 2, 4, ...), bidirectional printing (default) is selected.
Double-Wide Continuous Mode (ESC W)
1B 57 NN
This control turns double-wide printing on or off. When double-wide printing is on, the width of subsequent
graphic characters is doubled (the characters per inch value is half of the single character value). For tabs,
the font width is not doubled (tab distance is based upon single character width).
NN is a one-byte hexadecimal value that turns double-wide printing on or off.
v If NN is an odd value (1, 3, 5, ...), double-wide printing is turned on.
v If NN is an even value (0, 2, 4, ...), double-wide printing is turned off.
Note: Double-Wide Continuous Mode does the same function as Shift Out, except double wide printing is
not canceled when a new line begins.
Dual Density Bit Image Graphics Type 2 (ESC Y)
1B 59 LL HH NN...NN
This control prints the supplied bit image data at 120 horizontal pel by 72 vertical pel. Bit image data can
be mixed with text data on the same line. Horizontally adjacent dots are not allowed and will be removed if
specified.
A two-byte count (LL HH) indicates the number of bytes that follow in this control. LL is the least significant
byte of the count; HH is the most significant byte. (The number of bytes that follow should equal HH
× 256
+ LL.) If the count equals X'0000', the control is ignored.
NN...NN are the bytes containing the bit image data. The data format is in 8-bit vertical slices, with the
least significant bit the bottom dot and the most significant bit the top dot. B'1' indicates a pel to be printed;
B'0' indicates an unprinted pel. Data that exceeds the right margin is discarded.
High Density Bit Image Graphics (ESC Z)
1B 5A LL HH NN...NN
This control prints the supplied bit image data at 240 horizontal per by 72 vertical pel. Bit image data can
be mixed with text data on the same line.
A two-byte count (LL HH) indicates the number of bytes that follow in this control. LL is the least significant
byte of the count; HH is the most significant byte. (The number of bytes that follow should equal HH
× 256
+ LL.) If the count equals X'0000', the control is ignored.
NN...NN are the bytes containing the bit image data. The data format is in 8-bit vertical slices, with the
least significant bit the bottom dot and the most significant bit the top dot. B'1' indicates a pel to be printed;
B'0' indicates an unprinted pel. Data that exceeds the right margin is discarded.
Chapter 2. Epson FX-1050 Data Stream 59