Receipt/Label Printer SEIKO KSM347R-S/U 8 dots/mm (203 dpi), USB and RS232 interfaces

SEIKO KSM347R-S/U is a compact receipt and label printer with a direct thermal printing mechanism and 8 dots/mm (203 dpi) resolution. It supports a maximum media width of 83 mm and a maximum print width of 80 mm, with a top speed of up to 200 mm/s. The unit includes both USB and RS232 interfaces and features a presenter and retreat function for handling printed output in POS and industrial environments.

Advantages

The printer provides reliable monochrome direct thermal printing at 203 dpi, balancing print quality and speed. Its small footprint and dual connectivity (USB and RS232) allow easy integration with point-of-sale systems and legacy equipment. Presenter and retreat functions improve paper handling and help manage receipts or labels in busy workflows.

Suitable for

• Retail point-of-sale receipt printing
• Label and ticket printing in hospitality
• Logistics and warehouse labeling tasks
• Integration with POS terminals and industrial controllers via USB or RS232

Key specifications

• Printing mechanism: direct thermal
• Resolution: 8 dots/mm (203 dpi)
• Maximum media width: 83 mm
• Maximum print width: 80 mm
• Maximum print speed: 200 mm/s
• Interfaces: USB, RS232
• Features: presenter, retreat

How to use

Install the printer according to the device manual, connect it to your POS or host system via USB or RS232, load compatible thermal paper or label roll with a maximum media width of 83 mm, and configure print settings at 203 dpi. Use the presenter and retreat functions to control output delivery; test a sample print to confirm alignment and communication before regular operation.

Usage recommendations

For consistent results, use recommended direct thermal media, keep the print head clean, and avoid prolonged exposure of printed receipts to heat or sunlight to preserve legibility.