Custom

Custom America K3 Thermal Receipt Printer 350 mm/s, 203 DPI, 1,000,000 cuts, USB/RS-232/Ethernet, 58 mm - 80 mm

SKU: 

911HM060200733

Print receipts, coupons, kitchen orders, invoices, and tickets with the CustomSpeed ThermalPOS Printer, a direct thermal POS receipt printer built for fast, reliable performance with 350 mm/s printing speed and 203 DPI resolution. With USB, RS-232, and Ethernet connectivity, it supports a wide range of retail and hospitality workflows while handling paper widths from 58 mm to 80 mm.
Description
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The EcoSwift POS Printer (marketed as the Custom K3 Receipt Printer family) is a compact, commercial-grade thermal printer designed for point-of-sale, retail, hospitality and ticketing environments that require reliable, high-throughput receipt and label output. Combining direct-thermal print technology with flexible connectivity options, the product line integrates into wired and wireless POS setups to support checkout counters, kitchens, kiosks and back-office workflows. Key benefits include fast print speeds to reduce customer wait time, broad media support for common receipt widths and liner-free labels, robust auto-cutter options for consistent end-of-day operation, and built-in sensors and memory that simplify deployment and maintenance in demanding daily use.

Key Features

  • Flexible connectivity: Multiple interfaces including Ethernet, USB and RS-232, with select models offering Bluetooth and Wi‑Fi to accommodate desktop, mobile and networked POS systems.
  • High-speed thermal printing: Models deliver fast output (up to 400 mm/s) to keep service lines moving in busy retail and hospitality settings.
  • Versatile media handling: Supports common receipt widths (58 / 60 / 80 mm) and, on select variants, dual media such as liner-free adhesive paper for labels and receipts.
  • Durable cutter options: Total and partial auto-cutters with long service life (rated up to 1,000,000 cuts) for reliable daily operation.
  • Practical reliability and diagnostics: Integrated sensors for head temperature, paper presence, black mark detection and cover/open/low-paper alerts reduce downtime and ease maintenance.

Specifications

  • Brand: Custom
  • Product Name: EcoSwift POS Printer
  • Product Reference: Custom K3 Receipt Printer
  • Printing Technology: Direct Thermal / Thermal
  • Maximum Print Speed: Up to 400 mm/s
  • Print Resolution: 203 dpi
  • Supported Paper Width: 58 / 60 / 80 mm (2 1/4" to 3 1/8")
  • Auto-cutter Type: Total and partial cut
  • Auto-cutter Life: 1,000,000 cuts
  • Connectivity / Interfaces: Ethernet, USB, RS-232; select models also include Bluetooth and Wi‑Fi
  • Dual Media Support: Standard receipt paper and liner-free adhesive paper (select models)
  • Supported Barcodes: UPCA, UPCE, EAN13, EAN8, CODE39, ITF, CODABAR, CODE93, CODE128, CODE32, QRCODE, DATAMATRIX, PDF417, AZTEC
  • RAM: 64 MB
  • Flash Memory: 4 MB (plus internal flash on some models)
  • Data Buffer: 16 kB
  • Sensors: Head temperature; paper presence; black mark detection; cover open; low paper
  • Cash Drawer Port: Yes (on supported variants)
  • Paper Weight Supported: 55 to 90 g/m²
  • Dimensions (L × W × H): 206 × 148 × 140 mm
  • Weight: 1.98 kg
  • Operating Temperature Range: 0 to 50 °C (model dependent)

Main Features

  • POS: Yes

  • Equipment Format: Desktop

  • DPI: 203 dpi

  • Connection: Serial, USB, Ethernet

  • Optional Upgrades: Cutter

  • Printing Technology: Direct Thermal

Technical Specifications
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Technical Information
Recommended Use Receipt Print
Print Color Capability Monochrome
Maximum Mono Print Speed 13.78 in/s
Maximum Print Resolution (dpi) 203
Barcode Symbology Supported
  • UPC-A
  • UPC-E
  • EAN-13
  • EAN-8
  • Code 39
  • ITF
  • Codabar
  • Code 93
  • Code 128
  • Code 32
  • QR Code
  • Data Matrix
  • PDF417
  • AZTEC
Application/Usage Desktop
Features Auto-cutter
Character Size 88.6 mil x 0.12"
Print Head Life 200KM
Interfaces/Ports
Serial Port Yes
USB Host Yes
USB Yes
Network & Communication
Ethernet Yes
Ethernet Technology Ethernet
Cutter
Cutter Yes
Cutting Method Automatic
Cut Type Full/Partial Cut
Cutter Life 1000000 Cuts
Media Types & Handling
Media Type
  • Receipt
  • Coupon
  • Ticket
  • Black Mark
  • Liner-free Label
Media Sensor
  • Black Mark Sensor
  • Cover Open Sensor
  • Paper Low Sensor
Maximum Roll Diameter 3.94"
Maximum Label Width 3.15"
Software
Operating System Supported Windows® (32/64 bit) - only on request WHQL and silent installation; Linux (32/64 bit); Virtual COM (Linux or Windows 32/64 bit); OPOS; JavaPOS; Android™; iOS
Power Description
Power Source Power Adapter
Environmental Conditions
Operating Temperature 32°F (0°C) - 122°F (50°C)
Physical Characteristics
Form Factor Wall Mount
Height 5.5"
Width 5.8"
Depth 8.1"
Weight (Approximate) 4.37 lb
Miscellaneous
Platform Supported
  • PC
  • iOS
  • Android
  • SPARC
Documents
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Product document mod-k3-custom-receipt-printers-datasheet.pdf 911HM060200733 Product document mod-k3-custom-receipt-printers-user-manual.pdf 911HM060200733 Product document mod-k3-custom-receipt-printers-datasheet.pdf MOD-K3 Product document mod-k3-custom-receipt-printers-user-manual.pdf MOD-K3
FAQs
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What connectivity interfaces does the Custom K3 receipt printer support?
The Custom K3 supports Ethernet, USB, and RS-232 as standard interfaces, with Bluetooth also listed as an available connection option on this product.
What print resolution and maximum print speed does the Custom K3 deliver?
The Custom K3 prints at 203 dpi and reaches speeds of up to 400 mm/s, helping keep service lines moving in high-volume POS environments.
What paper widths and media types can the Custom K3 handle?
It supports receipt paper widths of 58, 60, and 80 mm and accommodates paper weights from 55 to 90 g/m², with liner-free adhesive paper support also available for label and receipt output without backing waste.
Does the Custom K3 include an auto-cutter, and how long is it rated to last?
Yes, the Custom K3 supports both total and partial auto-cut modes, and the cutter is rated for up to 1,000,000 cuts for reliable long-term daily operation.
Which barcode symbologies can the Custom K3 print?
The Custom K3 can print a broad range of 1D and 2D symbologies, including UPCA, UPCE, EAN13, EAN8, CODE39, ITF, CODABAR, CODE93, CODE128, CODE32, QRCODE, DATAMATRIX, PDF417, and AZTEC.
What are the dimensions and weight of the Custom K3 receipt printer?
The Custom K3 measures 206 × 148 × 140 mm and weighs 1.98 kg, making it a compact desktop unit suited for counter and kiosk installations.