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Star Micronics SK1-221

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Compact 2-inch receipt and ticket printing for self-service kiosks

The Star Micronics SK1-221 is a low-profile direct-thermal kiosk printer with bucket-style drop-in paper loading. It handles 58 or 60 mm media at up to 250 mm/second and connects through USB or RS-232C for straightforward kiosk integration.

The standard horizontal format, supplied paper basket, and command-selectable cutter suit compact unattended receipt and ticket workflows.

Star Micronics SK1-221 two-inch kiosk printer

Key Specifications

  • Print Method: Direct line thermal
  • Print Speed: Up to 250 mm/second
  • Paper Widths: 58 or 60 mm
  • Resolution: 203 dpi
  • Interfaces / Connectivity: USB 2.0 and RS-232C
  • Cutter and Reliability: Command-selectable full or partial cut
  • Platform Support: Windows 10/11 through the StarPRNT SK Series driver
  • Dimensions and Weight: 104 × 137 × 70 mm
  • Warranty: 1 year parts and labor

In the Box

  • SK1-221 kiosk printer
  • Paper basket

An external power supply, interface hardware, and compatible media are required unless the selected configuration explicitly includes them.

Drop-In Paper Loading

Simple servicing in compact enclosures

The bucket-style design keeps media replacement simple in space-constrained installations while supporting a maximum 83 mm roll holder.

Kiosk Integration

USB, serial, and selectable cutting

USB and serial interfaces support common kiosk controllers. Full and partial cutting are command selectable, and the printer operates from 24 VDC power.

Star Micronics receipt paper rolls
Star Micronics Media

Looking for Compatible Labels or Receipt Paper?

Labels: Choose compatible label or black-mark ticket media for the SK1-221 mechanism.

Receipt paper: Choose 58 mm or 60 mm direct-thermal receipt paper, matched to the installed paper guide.

Need help matching media to your exact configuration? Call our POS specialists at 800-903-6571.

Printer Method
Direct Line Thermal
Print Speed
Max 250mm/sec
Paper Width
58mm, 60mm
Print Width
54mm, 56mm
Paper Roll Holder
SK1-211: 120mm
SK1-221: 83mm
SK1-24: 83mm
Resolution
8 dots/mm (203dpi)
Font
8x16, 12x24 dots
Character Types
PC437 / 850 / 852 / 857 / 858 / 860 / 863 / 865 / 866, WPC 1252
Bar Code
JAN8/13, CODE39, ITF, CODABAR, CODE128, UPC-A/E
2D Bar Code
QR, Maxicode, Micro PDF-417, PDF-417, DataMatrix
Interface
Dual Serial (RS232C) & USB (V2.0 FULL SPEED)
Cutter
Full and Partial Cut (Command Selectable)
Operating Voltage
DC 24V
External Dimensions
SK1-211: 104 x 137 x 79 (w x h x d) mm
SK1-221: 104 x 137 x 70 (w x h x d) mm
SK1-24: 99 x 118 x 123 (w x h x d) mm
Reliability
Max Cycles Before Failure-200 Million Pulses
Print Head-150km
Auto Cutter-2 Million Cuts
Safety Standards
CE, FCC, VCCI
SK1-221 Spec Sheet
Download
SK1-221 User Manual
Download
SK1-221 Windows 10/11 Driver
Download

Shop SK1-221 Models

37963894

Star SK1-221 2-inch Kiosk Printer, USB/Serial, Paper Basket (External Power Supply Required)

$399.54

Shop SK1-221 Accessories

37965520

SK1, LED Bezel, Blue/Red, Requires SK1 Type II Printer

$60.35

37967330

Sanei Serial connector on 1 side, and a 9-Pin serial connector on the other. Pin out information available.

$32.80

37967920

SK1, LED Bezel, Green/Red, Requires SK1 Type II Printer

$60.35

37965970

Paper mPOP, mC-Print2: 58mm Width, 85 ft Length, 12 Rolls/Case, Blue Core (TRF58-D50-C12, 12PK)

$60.46

37963490

SK1, Standard Bezel, Paper Sensor, No Separator

$57.53

37963730

Adjustable External Large Paper Roll Holder for SK1-21/31 Series

$222.83

37950050

SK1, Power Adapter Cable, PS65, HiM

$16.56

37967040

Extends SK-1 standard warranty to total of two (2) years. Valid in US / CA / Latin America. See terms & conditions for details. NCNR (Non-Cancelable, Non-Returnable).

$62.00

37966890

Extends standard warranty to total of three (3) years. Valid in US / CA / Latin America. See terms & conditions for details. NCNR (Non-Cancelable, Non-Returnable).

$79.00

37966900

4-Year Extend-A-Star Warranty for Star Micronics Kiosk Printers. Extends the standard warranty to 4 years. Valid in the US, Canada, and Latin America. See terms and conditions for details. NCNR (non-cancelable, non-returnable).

$102.00

37966480

Paper, Case of 12 Rolls, White, 2.2" Wide (58mm) x 50ft Long, Blue Core, 12 Rolls In a Case, For SM-L200, SM-S220i, SM-S230i

$54.65

37964690

Star Micronics SK1-PS-M US Power Supply AC (M) Adapter AC Cable Included

$73.47