1 DATECS
DPP-255
User’s Manual
UM 07.01.01/v1.0.0
14
6.2. Page mode
In page mode the result the result of incoming commands is forwarded to a reserved memory
area (page). The page place and size is defined using commands ESC W. Command GS T selects the
print direction in this page. At the end the collected information is printed using one of the
commands, provided for this. Commands ESC FF and GS FF print only the currently defined page, but
command ESC Z prints the area between the first and last line containing at least one black point.
All commands except GS L and GS W work in page mode. The centering and right alignment
(command ESC a) id working in the currently defined page width.
6.3 Ruled lines
The printer has two line buffers with size the maximum printing width (paper width in standard
mode or the selected page width in page mode). When ruled lines are active, then every horizontal
line of the text line is combined with the selected ruled line buffer. Bit ‘1’ in the ruled line buffer is a
black dot in OR mode and inverts the color of the dot in XOR mode. Two commands allow the ruled
line buffers to be printed without combining with a text line.
When pressing the FEED button, no ruled lines buffer is applied.
All ruled lines commands start with symbol DC3 (ASCII code 13h). Please see command DC2 =, too
6.4. Protocol mode
The purpose of this mode is to give stronger real time access to the printer. All input data are
sent in packets. The printer returns an answer to the packet immediately.