57mm Bluetooth Mobile printer

Description

A mobile printer that uses 57mm by 38mm paper rolls is typically a compact,

thermal receipt or label printer with wireless connectivity.

Key specifications generally include:

Core Technology and Supplies

• Printing Method: Direct Thermal printing (uses heat, no ink or ribbon required).
• Paper Compatibility: Uses 57mm wide thermal paper rolls, typically with a 38mm diameter.
• Print Media: Designed for standard receipts, narrow labels, or occasionally photos, depending on the specific model.

Performance

• Print Speed: Varies by model, but common speeds range from 40mm/s to 100mm/s.
• Resolution: Typically 203 DPI (dots per inch), suitable for clear text and scannable barcodes.
• Printing Width: The actual printable width is often slightly less than the paper width, around 48mm.
• Printer Head Life: An estimated lifespan often around 50km of continuous printing.

Connectivity and Portability

• Interfaces: Usually includes Bluetooth for wireless connection to smartphones/tablets (Android and iOS), and a USB port for wired connection. Some models may also offer Serial (RS-232) connectivity.
• Power: Powered by a built-in rechargeable lithium battery, commonly around 1200mAh.
• Design: Compact, lightweight (some around 150g), and designed for portability, often with easy drop-in paper loading.