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User’s Manual
47
4.9. Diagnostics and returning of data
Printing out of diagnostic data
This command activates the printing of data on the status of
the printing head as well as the model of the printer, available
free memory the baud rate of the serial port and the values of
the cur rent printer settings.
Format: U
Returning data on the engaged and free printer memory
The serial port transfers data in one line on: a,b,c,d where:
a Is the memory, engaged with forms, presented in bytes
b Is the memory, engaged with graphics, presented in
bytes
c Is the memory engaged with fonts, presented in bytes
d Is the free memory in bytes.
Format: UM
Returning data on loaded forms
Format: UF or FI”NAME”
The first form of the command returns a list of the loaded
forms in the memory of the printer, which has the following
structure:
nnn The number of the loaded forms. 3 digits.
Form1 mmm The name and the size of first form.
...
Formn mmm
The name and the size of n -th form.
Each element of the above structure ends in <CR><LF>.
The second form of the command permits the printer to
deliver the content of the form under the entered name. The
form must have been loaded there in advance. Data is sent
line-by-line, lines being divided by the combination
<CR><LF>. After the last line one byte is sent with the ASCII
code 00h.