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Star Micronics 37963464 SK1-321SF4-Q-M-SP Direct Thermal Printer - 3" Open Frame Kiosk - Label/Receipt Print - 250 mm/s - USB/Serial - Monochrome
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Product Features
Technical Overview
This direct thermal printer operates without ink or toner, using heat-sensitive media to produce monochrome labels and receipts. The 3.15" maximum print width accommodates standard receipt and label sizes, while the media sensors (paper near-end and gap sensors) ensure reliable paper handling and reduce waste. The integrated cutter supports automatic or manual cutting with a life expectancy of 2 million cuts.
Connectivity options include USB 2.0 host capability and a serial port, providing compatibility with legacy and modern systems. The printer supports PC437, 850, 852, 857, 858, 860, 863, 865, 866, and WPC1252 character sets, along with common barcode formats like Code 128, UPC, QR Code, and PDF-417. Power is supplied via an external adapter, and the printer carries CE, FCC, and VCCI certifications for regulatory compliance.
This section brings together practical product details such as Recommended Use, Print Color Capability, Maximum Mono Print Speed, USB Host, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
The SK1-321SF4-Q-M-SP combines speed, durability, and connectivity in a compact form factor ideal for space-constrained environments. Its open-frame design with a paper tray simplifies media loading and maintenance, while the long-life print head and cutter reduce total cost of ownership.
High-Speed Printing
With a maximum print speed of 250 mm/s, this printer handles high-volume receipt and label printing efficiently, minimizing wait times in busy retail or service settings.
- 250 mm/s mono speed
- 203 dpi resolution
- ESC/POS emulation for fast data processing
Robust Media Handling
The printer supports receipt and label media up to 3.27" wide and 4" long, with sensors to detect paper near-end and gaps for reliable operation.
- Paper near-end and gap sensors
- Max 4.7" roll diameter
- Integrated cutter with 2M cut life
Broad Compatibility
USB and serial connectivity, along with support for PC, Mac, and Android platforms, ensures integration with diverse hardware and software environments.
- USB 2.0 host and serial ports
- Multiple character sets and barcodes
- Cross-platform driver support
Deployment / Use Cases
This printer is well-suited for applications requiring reliable, on-demand printing of temporary documents. Its compact size and open-frame design make it ideal for integration into kiosks, point-of-sale terminals, and mobile carts where space is limited.
Common use cases include retail receipt printing, shipping label generation, ticket issuance for events or services, and inventory labeling in light industrial settings. The printer's durability and media handling features support continuous operation in high-traffic environments like convenience stores, restaurants, and warehouses.
Retail Point-of-Sale
Deploy at checkout counters for fast receipt printing, with USB or serial connectivity to POS systems and support for barcode and character printing.
- Receipt printing up to 250 mm/s
- Barcode support for inventory
- Compact footprint for countertops
Kiosk and Self-Service
Integrate into self-service kiosks for printing tickets, labels, or receipts, leveraging the open-frame design and paper tray for easy media access.
- Open-frame with paper tray
- ESC/POS emulation for kiosk software
- Lightweight for mounting flexibility
Physical Profile
Measuring 5.04" wide x 6.87" deep x 2.92" high (128 x 174.5 x 74.2 mm), this printer offers a compact footprint that fits easily on desktops or within kiosk enclosures. The lightweight construction (730 g) allows for portable deployment or wall-mounting with optional brackets. The open-frame design with a paper tray facilitates quick media changes and maintenance, while the durable housing protects internal components in commercial environments.
- Width
- 3.15"
- Depth
- 6.87" (174.50 mm)
- Height
- 2.92" (74.20 mm)
- Weight
- 730 g
- Length
- 4" (101.60 mm)
Highlights
- Direct thermal printing for monochrome labels and receipts without ink or toner
- Print speed up to 250 mm/s with 203 dpi resolution for crisp output
- 3.15" maximum print width supports standard receipt and label sizes
- USB 2.0 host and serial connectivity for flexible system integration
- ESC/POS language emulation with multiple character sets and barcode support
- Integrated cutter with 2 million cut life for automatic or manual cutting
- Media sensors (paper near-end and gap) for reliable paper handling
- Compact, lightweight design (730 g) ideal for desktop or kiosk deployment
- Print head rated for 150 km of printing life for long-term reliability
- 1-year limited warranty with CE, FCC, and VCCI certifications
Specifications
| Specifications | |
|---|---|
| Manufacturer | Star Micronics, Inc |
| Manufacturer Part Number | 37963464 |
| Brand Name | Star Micronics |
| Product Line | Sanei |
| Product Series | SK1-321 |
| Product Model | SK1-321SF4-Q-M-SP |
| Product Name | 3" Open Frame Kiosk Printer with Paper Tray |
| Product Type | Direct Thermal Printer |
| Technical Information | |
| Recommended Use | Label/Receipt Print |
| Print Color Capability | Monochrome |
| Maximum Mono Print Speed | 250 mm/s |
| Maximum Print Resolution (dpi) | 203 |
| Maximum Print Width | 3.15" |
| Barcode Symbology Supported | JAN-13,JAN-8,Code 39,ITF,Codabar,Code 128,UPC-A/E,QR Code,Maxi Code,Micro PDF-417,PDF-417,Data Matrix |
| Character Sets | PC437,850,852,857,858,860,863,865,866,WPC1252 |
| Application/Usage | Desktop |
| Features | Compact,Lightweight |
| Interfaces/Ports | |
| USB Host | Yes |
| Serial Port | Yes |
| USB | Yes |
| USB Standard | USB 2.0 |
| Cutter | |
| Cutter | Yes |
| Cutter Life | 2000000 Cuts |
| Media Types & Handling | |
| Media Type | Receipt,Label |
| Media Sensor | Paper Near End Sensor,Gap Sensor |
| Maximum Roll Diameter | 4.7" |
| Maximum Label Width | 3.27" (83 mm) |
| Maximum Label Length | 4" (101.60 mm) |
| Fonts & Emulation | |
| Language Emulation | ESC/POS |
| Reliability | |
| Print Head Life | 150km |
| Power Description | |
| Power Source | Power Adapter |
| Physical Characteristics | |
| Height | 2.92" (74.20 mm) |
| Width | 5.04" (128 mm) |
| Depth | 6.87" (174.50 mm) |
| Weight (Approximate) | 730 g |
| Miscellaneous | |
| Platform Supported | Mac,PC,Android |
| Certifications & Standards | CE FCC VCCI |
| Warranty | |
| Limited Warranty | 1 Year |
FAQ
What type of printing technology does this printer use?
This printer uses direct thermal technology, which applies heat to heat-sensitive paper to produce monochrome images without ink, toner, or ribbons. It is designed for printing labels and receipts where temporary documents are required, offering a clean and maintenance-friendly operation.
What is the maximum print speed and resolution?
The maximum print speed is 250 mm/s for monochrome output, with a resolution of 203 dots per inch (dpi). This combination allows for fast printing of text, barcodes, and graphics while maintaining clarity for scanning and readability.
What media sizes can this printer handle?
It supports media up to 3.27 inches wide and 4 inches long (83 x 101.6 mm), with a maximum roll diameter of 4.7 inches. The printer is compatible with both receipt and label paper types, using gap and paper near-end sensors for reliable feeding.
What connectivity options are available?
Connectivity includes USB 2.0 with host capability and a serial port, providing compatibility with modern and legacy systems. The printer supports PC, Mac, and Android platforms, making it versatile for various deployment environments.
Does this printer include a cutter, and what is its lifespan?
Yes, it features an integrated cutter for automatic or manual cutting of receipts and labels. The cutter is rated for 2 million cuts, ensuring durability in high-volume applications and reducing maintenance needs over time.
What is the expected lifespan of the print head?
The print head has a lifespan of 150 kilometers of printing, which translates to extensive use in commercial settings. This durability, combined with a 1-year limited warranty, supports reliable long-term operation for retail, hospitality, or light industrial applications.
What print, scan, copy, or multifunction capability is listed?
the specifications are intended to help buyers confirm fit, compatibility, and expected day-to-day operation. In practical terms, the best reading of this product comes from how its hardware, connectivity, and deployment details work together.
What duplex or duty-cycle detail is listed?
the specifications are intended to help buyers confirm fit, compatibility, and expected day-to-day operation. In practical terms, the best reading of this product comes from how its hardware, connectivity, and deployment details work together.
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