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(c) Communication control flowchart
The following is a reference flowchart for sending and receiving data
by using printer transmission request command (01+A, or 01+F).
(In XON/XOFF protocol and compatible machine ON mode)
Start
Printer status request
Error or pause?
Removing error cause/
Clearing pause
Y
N
Printing data transmission
Stop of printing data output
Printer status request
Error or pause?
Y
Removing error causes/
Clearing pause
N
Y
N
N
Y
Reading status from printer
Reading status from printer
01+A or 01+F
01+A or 01+F
XON code reception
XOFF code reception
Command output
Command output
Paper end
Ribbon end,
Pause, etc.
Paper end
Ribbon end,
Pause, etc.