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9. SPECIAL FUNCTIONS
In addition to the standard print function, the control board has some special print features such as the Page
Print, Test Printing, and Hexadecimal Dump capabilities. Also it allows for software revision and registration
of user-defined fonts and logos. These special features are available only if print paper is normally loaded in
the printer.
9.1 Page Print Mode
The control board has two print modes: i.e. Standard and Page Modes. In Standard Mode, the printer prints
each time it receives a single line of print data. In Page Mode, all print data, including the line print and line
feed commands, are mapped to the page memory and the entire page is printed when the Page Print command
(FF or ESC + FF) is subsequently received.
For more details, read Appendix 1, "Description of Page Mode".
9.2 Test Printing
Turning the printer on with the LF-SW signal held at Low initiates a test printing, in which the software
version, DIP switch setting, jumper setting, character type used, and other printer information can be printed.
If the Auto Cutter is used, the paper will be cut after a test printing completes.
9.3 Hexadecimal Dump
Hexadecimal Dump function allows data sent from host to be printed in hexadecimal numbers as well as in
characters corresponding to the numbers.
(1) Starting Hexadecimal Dump
Turn the power on while holding the LF-SW signal at Low by raising the Head Up lever. After the printer is
turned on, lower the Head Up lever.
The printer first prints "Hexadecimal Dump", and then prints all data subsequently received in hex numbers.
If characters that correspond to received data are not supported, dots (.) will be printed instead.
If print data is less than a single line, the printer prints it by setting the LF-SW signal to Low.
(2) Terminating Hexadecimal Dump
Hexadecimal Dump is terminated after turning off the power or if it receives a reset signal after all data print
completes. Alternatively, you can return to normal print mode from Hexadecimal Dump by setting the LF-
SW signal to Low 3 times consecutively. When the normal print mode is restored, the printer prints
"===Completed===".
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BD2-1220/1221 User's Manual
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