Device Print Reference

Top-level device-print definition. The source of truth is ESC/POS bytes, not a PDF.

Hardware profile with width, command language, columns, and capabilities.

ESC/POS QR command for URLs, payment references, and verification payloads.

Native barcode command when supported by the printer profile.

Drawer pulse command for connected cash drawers.

Paper cut command for printers with autocutter support.

Single receipt text line with alignment, emphasis, and size.

Fixed-width text columns for dates, labels, amounts, and compact rows.

Full-width rule based on the printer column count.

Receipt line items with name, quantity, and total columns.

Right-aligned totals block.

Transport adapters are intentionally separate from rendering: TCP, QZ Tray, local agent, or spooler.