Attach (recommended) or Link to PDF file here:
https://www.nta.go.jp/taxes/tetsuzuki/shinsei/annai/joyaku/annai/pdf2/250.pdf

Configuration:
- Web browser and its version: Firefox 81.0a1
- Operating system and its version: Debian 5.6.7-1
- PDF.js version: latest in Firefox nightly
- Is a browser extension: No

Steps to reproduce the problem:
1. Open the pdf and paste the following text "本 店 又 は 主 た る 事 務 所 の 所 在 地" in "Full name" and in "Domicile and residence" textfields
2. Print or Save the pdf 

What is the expected behavior? (add screenshot)
![image](https://user-images.githubusercontent.com/5641725/91207547-30f05480-e709-11ea-9abd-2af5d970dc46.png)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/5641725/91207663-69902e00-e709-11ea-8a1d-1ddd30cf0621.png)

Link to a viewer (if hosted on a site other than mozilla.github.io/pdf.js or as Firefox/Chrome extension):

}
        return ttContext.hintsValid;
      }
      
      font = new Stream(new Uint8Array(font.getBytes()));
      let header, tables;
      if (isTrueTypeCollectionFile(font)) {
        const ttcData = readTrueTypeCollectionData(font, this.name);
        header = ttcData.header;
        tables = ttcData.tables;
      } else {
        header = readOpenTypeHeader(font);
        tables = readTables(font, header.numTables);
      }
      let cff, cffFile;
      var isTrueType = !tables["CFF "];
      if (!isTrueType) {
        const isComposite =
          properties.composite &&
          ((properties.cidToGidMap || []).length > 0 ||
            !(properties.cMap instanceof IdentityCMap));
        
        if (
          (header.version === "OTTO" && !isComposite) ||
          !tables.head ||
          !tables.hhea ||
          !tables.maxp ||
          !tables.post
        ) {