Epson TM-T20II UB-R04 Technical Reference Guide - Page 52

Monitoring of the ASB Status, More Than One Connection Demands

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Page 52 highlights

Monitoring of the ASB Status The ASB status function of the printer is used for the UB-R04 to check the state of the printer. Therefore, when the transmission data from the application includes the command to nullify the ASB status function, the UB-R04 cannot control the state of the printer. Take care not to transmit the command to nullify the ASB status function to check the state of the printer correctly by the UB-R04. Or retransmit the command that makes the ASB status function effective again. More Than One Connection Demands The UB-R04 accepts up to two connection demands from LPR/Port9100. However, the TM printer can print only the first accepted connection. Other connection demands enter the standby status until the connection being printed is closed. When more than one connection is demanded and the host printer leaves the connection open after printing is complete, or the connection is cut without being closed because of some error, other connecting demands are not processed until the time-out of connection. Close the connection at once after finishing printing by an application. The time-out of connection can be set with EpsonNet Config. The default value is approximately 1 minute. 52

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Monitoring of the ASB Status
The ASB status function of the printer is used for the UB-R04 to check the state of the printer. Therefore,
when the transmission data from the application includes the command to nullify the ASB status function,
the UB-R04 cannot control the state of the printer.
Take care not to transmit the command to nullify the ASB status function to check the state of the printer
correctly by the UB-R04. Or retransmit the command that makes the ASB status function effective again.
More Than One Connection Demands
The UB-R04 accepts up to two connection demands from LPR/Port9100. However, the TM printer can
print only the first accepted connection.
Other connection demands enter the standby status until the connection being printed is closed.
When more than one connection is demanded and the host printer leaves the connection open after
printing is complete, or the connection is cut without being closed because of some error, other connecting
demands are not processed until the time-out of connection.
Close the connection at once after finishing printing by an application.
The time-out of connection can be set with EpsonNet Config. The default value is approximately
1 minute.