I am using Star MC-Print3, and try to use both receipline and official cputil to transform the content.

receipline is working well, if all jobs are converted via receipline. While mixed transform approaches might cause the issue.

time1: print job with receipline -> working well
time2: print job with cputil -> working well
time3: print job with receipline -> the encoding seems has the issue.

    const printer: Printer = {
      cpl: 48,
      encoding: "shiftjis",
      upsideDown: true,
      spacing: true,
      cutting: true,
      command: "starmbcs",
    };
    // console.log(content);
    const command = receiptline.transform(content, printer);
    const bin = Buffer.from(command.slice(6), "binary");
    return bin.toString("base64");