Nothing printed on Windows 10/Electron

[sinjimmyi]

I'm running on electron 1.4.13 on Windows 10, after a lots of work, I have successful build this module.，and I could get getPrinters and getDefaultPrinter worked，however，when I try to print something use printDirect，I could print nothing, when I choose to print to a pdf，the size of pdf is 0kb.

printer.printDirect({data:'test text' // or simple String: "some text"
	, printer:'Microsoft Print to PDF' // printer name, if missing then will print to default printer
	, type: 'RAW' // type: RAW, TEXT, PDF, JPEG, .. depends on platform
	, success:function(jobID){
		console.log("sent to printer with ID: "+jobID);
	}
	, error:function(err){console.log(err);}
});

The console showssent to printer with ID: *，but no content is printed. Following is my printer list, I have tried three of them. Brother MFC-1919NW Printer print nothing, and the Microsoft Print to PDF get me a pdf file with size of 0KB

    defaultPriority: 0,
    averagePPM: 0 },
  { name: 'Microsoft Print to PDF',
    portName: 'PORTPROMPT:',
    driverName: 'Microsoft Print To PDF',
    printProcessor: 'winprint',
    datatype: 'RAW',
    status: [],
    statusNumber: 0,
    attributes: [ 'DO-COMPLETE-FIRST', 'LOCAL' ],
    priority: 1,
    defaultPriority: 0,
    averagePPM: 0,
    jobs: [ [Object] ] },
  { name: 'Fax',
    portName: 'SHRFAX:',
    driverName: 'Microsoft Shared Fax Driver',
    printProcessor: 'winprint',
    datatype: 'RAW',
    status: [],
    statusNumber: 0,
    attributes: [ 'FAX', 'LOCAL' ],
    priority: 1,
    defaultPriority: 0,
    averagePPM: 0 },
  { name: 'Brother MFC-1919NW Printer',
    portName: 'WSD-151f5525-657d-4066-a086-82bd7058da05.0034',
    driverName: 'Brother Laser Type1 Class Driver',
    printProcessor: 'winprint',
    datatype: 'RAW',
    status: [],
    statusNumber: 0,
    attributes: [ 'DO-COMPLETE-FIRST', 'LOCAL' ],
    priority: 1,
    defaultPriority: 0,
    averagePPM: 0 } ]

[tojocky]

RAW means you send direct commands to printers, not a text to be printer. for text to be printer use the type "TEXT"