
DATECS DPP-450 Programmer’s Manual
dyL and dyH Low and high byte of the height of the page.
The command defines the relative position and size of the page. In page mode the new
values are active immediately, in standard mode they are memorized and used after entering
page mode. The print position has coordinates (0, 0) depending on the currently selected
print direction (command GS T). If the relative position is invalid, the command is not
accepted. If only a part of the selected page is in the printable area (current paper width and
maximal height of 2432 dots), this area is used as page area.
Default page size is 832x1732 dots.
The command is supported in firmware version 1.42 or higher.
55. Specifying max printing speed (ESC X)
Code: [1Bh] + [58h] + n
n is between 0 and 3 or between ‘0’ and ‘3’:
0 or ‘0’ 154 mm/s (6.1 inch/s)
1 or ‘1’ 120 mm/s (4.7 inch/s)
2 or ‘2’ 80 mm/s (3.1 inch/s)
3 or ‘3’ 50 mm/s (2.0 inch/s)
Note:
The defined speed is recommended and can be achieved with not very cold printing head and
comparatively little data to print in the line (less black).
56. Specifying intensity level (ESC Y)
Code: [1Bh] + [59h] + n
n is between 0 and 6 or between ‘0’ and ‘6’:
0 or ‘0’ Intensity 60 %
1 or ‘1’ Intensity 75 %
2 or ‘2’ Intensity 90 %
3 or ‘3’ Intensity 100 %
4 or ‘4’ Intensity 120 %
5 or ‘5’ Intensity 140 %
6 or ‘6’ Intensity 160 %
Default value is 3 (100%).
Note:
Higher intensity can cause decrease in printing speed.
57. Returning diagnostic information (ESC Z)
Code:
1Bh] + [5Ah]
The printer will return 32 bytes of information with the following structure:
1-22: Printer name up to 22 charachters.
23-25: Firmware version – 3 digits.
26-27: Language version, described by two
characters.
28-32: 5 bytes with flags. When the corresponding bit is 1, the function is supported and when 0,
the function is not supported. Bits are listed below:
Bit Meaning
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