1 Create the printer destination information.
Set interfaceType, which is used for communication, and identifier, which specifies the destination.
If the destination printer has already been searched for in Search for Printer, this setting is unnecessary.
Set the StarPrinter instance acquired with the onPrinterFound method in the printer variable in Step2.

var settings = new StarConnectionSettings();
settings.interfaceType = InterfaceType.Lan;
settings.identifier = “00:11:62:00:00:01”;

2 Provide the printer destination information to acquire the StarPrinter instance.

var printer = new StarPrinter(settings);

3 Set the printing data created in Step 1 in the commands variable.

try {
    var commands: string = ...

4 Use the StarSpoolJobSettings class to set the print job. In the following setting example, retry on printer error is enabled, print job timeout is 30 seconds, and information added to print jobs is set to "Print from Tablet1".

var jobSettings = StarSpoolJobSettings(true, 30, "Print from Tablet1"); 

5 Call the open method to connect to the printer.

await printer.open();

6 Call the print method to send the printing data to the printer. Acquire the job ID with the return value.

var jobId = await printer.print(commands, jobSettings);

7 There are the following two methods to check the print job status.
Call the getSpoolJobStatus method to acquire the status of the specified job ID.

var jobStatus = await printer.getSpoolJobStatus(jobId); 

Call the getSpoolJobStatusList method to acquire the status list of as many jobs as specified in order of newest job received first.
If 10 is set in the argument, the status list of 10 jobs in order from newest to oldest is acquired.

var jobStatusList = await printer.getSpoolJobStatusList(10); 
} 

8 Implement the process for when an error occurs. You can identify the error cause based on the error instance type. Possible errors are described in the API reference of the open method, print method, getSpoolJobStatus method, and getSpoolJobStatusList method of the StarPrinter class.

} 
catch(error) { 
    if (error instanceof StarIO10UnprintableError) { 
        if (error.codeCode == StarIO10ErrorCode.SpoolerIsDisabled) { 
            // The spooler function is set to disabled. 
            // Please set the printer's spooler function to enable.
        }
    }
    console.log(`Error: ${String(error)}`); 
}

9 Call the close method to disconnect from the printer.

finally { 
    await printer.close();

10 Call the dispose method to dispose the printer instance.

await printer.dispose(); 
} 

Sample code

var settings = new StarConnectionSettings();
settings.interfaceType = InterfaceType.Lan;
settings.identifier = "00:11:62:00:00:01";

var printer = new StarPrinter(settings);

try {
    // Set the print data created in Step 1 to the commands variable. 
    var commands = ...
    var jobSettings = StarSpoolJobSettings(true, 30, "Print from Tablet1");
    await printer.open();
    var jobId = await printer.print(commands, jobSettings);
    var jobStatus = await printer.getSpoolJobStatus(jobId);
    // var jobStatusList = await printer.getSpoolJobStatusList(10);
}
catch(error) {
    if (error instanceof StarIO10UnprintableError) {
        if (error.codeCode == StarIO10ErrorCode.SpoolerIsDisabled) {
            // The spooler function is set to disabled.
            // Please set the printer's spooler function to enable.
        }
    }
    console.log(`Error: ${String(error)}`);
}
finally {
    await printer.close();
    await printer.dispose();
}

Spooler Function Sequence Figure

This is a sequence figure showing a process of checking the print jobs until all the printing is completed after two upper level terminals make print requests to one printer.