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Printer Method
Direct Thermal
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Print Resolution
300 dpi (11.8 dots/mm)
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Print Speed
Up to 180 mm/sec
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Paper Width
25 mm – 60 mm
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Print Width
15 mm – 56.9 mm
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Roll Diameter
Max. φ102mm
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Paper Thickness
53 – 154μm (Varies depending on paper type)
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Media Types Supported
MCL21 Models: Linerless labels (sticky/permanent), Die-cut, Continuous, Thermal receipt
MCL21 LBL Models: Die-cut labels, Thermal receipt
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Top Margin
3 mm (default), 11 mm supported
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Cut Method
MCL21 Models: Guillotine style (partial/full cut)
MCL21 LBL Models: Tear bar
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Interfaces
MCL21 X4 (CWBI) Models: USB-C as Ultra-C, USB-A, LAN, WLAN, Bluetooth (MFi-certified)
MCL21 (CI) Models: USB-C as Ultra-C, USB-A, LAN, Optional WLAN
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Emulation
StarPRNT
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Flexible Connection
StarXpand SDK, StarPRNT SDK, Star PassPRNT™, CloudPRNT™, CloudPRNT Next, Various drivers, Star Quick Setup Utility®, SteadyLAN™
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System Compatibility
All major operating systems: iOS (MFi on Bluetooth models), macOS, Android, Windows, Linux
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Cloud Compatibility
CloudPRNT Next, CloudPRNT, StarIO.Online, Star Micronics Cloud Services, Label Builder
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One Touch Label
Store and print up to 3 static label designs offline
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Paper Loading
Front loading and drop in
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Paper Exit
Front exit
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Sensors
MCL21 Models: Cover open, paper end, GAP/black mark, hold print (taken), paper jam, cutter home position
MCL21 LBL Models: Cover open, paper end, GAP/black mark
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Dimensions
98 x 185 x 145.5 mm (W x D x H)
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Weight
Approx. 1.6 kg (main unit only)
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Ingress Protection Rating
IP22
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Included Accessories
Power supply, AC cable, USB cable (A to C), easy setup guide, safety guide
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AC Adapter
PS65AT-24A
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Model Variants
mC-Label2 Models (all-media): MCL21Ci, MCL21CWBI
mC-Label2 LBL Models (die-cut & receipt only): MCL21Ci LBL, MCL21CWBI LBL
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Operating Temperature
5°C to 45°C
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Humidity Range
10% to 90% RH (non-condensing)
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Options
Replacement Parts: 2in1(Cutter & Platen), Cutter Unit, Platen Roll Unit
Peripherals: Star Barcode Scanners, Wireless LAN Unit (MCW10), mC-Sound (MCS10), BU01-24-A Ticket Alarm/Buzzer
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Warranty
2-Year Limited Manufacturer Warranty (US & Canada)