Star Micronics SK4-31 Kiosk Printer (37968551) | 3-Inch, Entry-Level, USB/Serial
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The Star Micronics SK4-31SF-M-ST Kiosk Printer (Part #37968551) is a compact, cost-effective, open-frame thermal printer mechanism designed for integration into self-service kiosks, vending, and ticketing applications where 3-inch printing is required. This model delivers an excellent balance of performance and cost, making it an ideal choice for businesses transitioning to unattended terminals.
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3-Inch Media Support: Prints standard 80mm receipts, tickets, and vouchers, making it versatile for various applications including information reports and detailed receipts.
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Entry-Level Speed: Delivers reliable output at up to 150 mm/second with clear 203 dpi resolution, providing quick transactions for non-high-traffic terminals.
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Dual Interface Standard: Includes both Serial (RS-232C) and USB 2.0 interfaces, offering essential connectivity for integration with common industrial and kiosk controllers.
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Compact Open Frame: Features a low-profile, lightweight design optimized for minimal internal footprint within the kiosk enclosure.
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High Reliability: Engineered for dependable unattended operation, featuring a reliable guillotine auto-cutter rated for 1 million cuts and a durable print head rated for 100km.
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Media Sensing: Includes Paper Near End Sensor and a Black Mark Sensor, enabling the printer to accurately print on fixed-length media, tickets, and labels.
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Flexible Mounting: Supports multiple paper roll positions (Rear, Top, Bottom) for easier integration into various kiosk designs (specific guides may be required).
| Detail | Specification |
| Manufacturer | Star Micronics (Sanei SK4 Series) |
| Part Number (MPN) | 37968551 |
| Model Name | SK4-31SF-M-ST |
| Print Technology | Direct Thermal |
| Print Speed | Max 150 mm/sec |
| Resolution | 203 dpi (8 dots/mm) |
| Interfaces | Serial (RS-232C), USB 2.0 |
| Paper Width | 80 mm (3.15") |
| Max Print Width | 72 mm (2.83") |
| Cutter Life | 1 Million Cuts |
| Max Roll Diameter | 83 mm (Supports up to 120mm with optional holder) |
| Power Requirement | Requires an External 24V DC Power Supply (Sold separately) |
Shipping Information
For Items Shown as “In Stock”:
We offer free shipping on orders over £150.00 excl VAT.
Delivery times may vary, and we aim to deliver within 1-5 working days, vendor dependent. Most of the products we offer are on a next working day delivery, if an order is placed before our 3pm cut off - for UK mainland addresses.
Our minimum carriage charge is £9.95 excl VAT, should your order be below £150.00 excl VAT.
We are able to offer shipments outside Mon-Fri or with fixed shipping dates however, this cost needs to be calculated and you will need to contact us.
For Items Shown as “No Stock"
To find out the lead time, please contact sales@pos-hardware.co.uk
Returns & Warranty
Each manufacturer warranty is different.
If it's not included in the description, please contact us to check.
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