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• When the XON/XOFF control is selected, all the codes are sent
continuously without verifying that the host can receive the
data. Data that has been sent is always continuous except for
the XOFF code.
• When parallel interface is used, the size of the buffer for
sending data (The buffer that stores all data to be sent except
for ASB status) is 99 bytes. Data which exceeds 99 bytes, will
be discarded.
• Data can be written into the download user NV memory using
the FS g3 command.
• There may be a delay between receiving this command and
storing the data depending on the state of the receiving buffer.
[Caution] • After the header is sent, all data will be sent without verifying
whether the host can receive the data or not. Therefore, the
available space in the receiving buffer of the host should be
more than (The number of sent data+2) in order not to lose
data during the execution of this command.
• While data is being sent, real time commands (Commands
with a DLE extension) will be ignored. And even if the ASB
function is validly selected, ASB status will not be sent while
data is in the process of being sent. Therefore, it is not possible
to check the change in the printer state by checking its status.
The user must pay attention to this.
[Reference] FS g3