When a host as a source of a print request received next after a print request from a currently connected host is the same as the currently connected host, print data is received from the currently connected host, and then print {HEAD ~ data} corresponding to {TAIL ~ the next print request} is received from the currently connected host without disconnecting from the currently connected host 
When a host as a source of a print request received next after a print request from a currently connected host is the same as the currently connected host , print data is received from the currently connected host , and then print { HEAD ~ data } corresponding to { TAIL ~ the next print request } is received from the currently connected host without disconnecting from the currently connected host
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