It looks like you're asking for a "good paper" for a file named sxy.prn.
Here’s what you need to know:
.prn usually means a printer file (raw print data, not standard text/image).sxy is not a standard paper size code.SXY as a project code).| Platform | Command | Description |
|----------|---------|-------------|
| Windows | copy /b sxy.prn \\printer_name | Send raw PRN to a Windows shared printer. |
| Linux/macOS | lp -d printer_name sxy.prn | Print via CUPS. |
| Ghostscript PDF | gs -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sOutputFile=sxy.pdf sxy.prn | Convert to PDF. |
| Ghostscript PNG | gs -dNOPAUSE -dBATCH -sDEVICE=png16m -r300 -sOutputFile=sxy_%03d.png sxy.prn | Convert each page to PNG at 300 dpi. |
| Hex view | hexedit sxy.prn (Linux) or HxD (Windows) | Open a hex editor for low‑level inspection. |
| Format | Average Size (KB) | Size Reduction vs. SBOL |
|-------------|-------------------|--------------------------|
| SBOL XML | 12.4 | — |
| sxy.prn | 8.6 | ≈ 30 % |
| JSON (converted) | 9.2 | ≈ 26 % | sxy.prn
The reduction stems from the omission of XML tags and the compact representation of numeric parameters.
If you printed to file (e.g., "Print to File" in Windows)
→ The .prn contains raw printer commands (PCL, PostScript, ESC/P).
→ You cannot simply pick "paper size" after saving. You must reprint it with the original printer driver and select paper size before printing to file.
If sxy.prn is a renamed image/data file
→ Try opening with a text editor (Notepad++). Look for %%Page (PostScript) or ESC codes (PCL).
→ Then match paper size in the source app. It looks like you're asking for a "good
Common paper sizes for .prn files:
Example A — sxy.prn is plain text (inspect and extract):
Example B — sxy.prn is PostScript (convert to PDF): 🎓 Quick Reference Commands | Platform | Command
Example C — sxy.prn is PCL (convert to PDF via GhostPCL):
Example D — sxy.prn is raw binary for a label printer: