The user lacks permissions to the printer. Check Windows Printer Permissions.

Mastering the StartDocPrinter API: A Guide to Direct Windows Spooling

: Most often set to "RAW" . This tells Windows not to process the data and to send it straight to the hardware. 💻 Implementation: A 4-Step Workflow

💡 : If you are working in .NET , you cannot call these functions directly. You must use P/Invoke (Platform Invoke) to import the functions from winspool.drv .

Sending raw strings to a driver that expects GDI commands. Ensure the printer supports the raw format sent.

Let me know your exact environment/language, and I’ll tailor the answer.

ZebraDesigner Pro V3 StartDocPrinter call was not issued error

HDC StartDocPrinter( HANDLE hPrinter, DWORD Level, LPBYTE pDocInfo );