Thermal transfer printer ZD621R/ZD611R

direct thermalbarcode labelfor labels

Overview
The Zebra ZD621R (4") and ZD611R (2") are desktop thermal printers with integrated RAIN RFID encoding (Zebra RE40). They support thermal transfer and direct thermal printing, a 4.3 in full‑color touch LCD (with guided menus), expanded connectivity and field‑installable media and wireless options. Designed for reliable label printing and RFID encoding in industrial, retail and healthcare workflows.

Key Features

• Two desktop widths: 4" (ZD621R) and 2" (ZD611R)
• Integrated RE40 UHF RFID reader/encoder with Adaptive Encoding Technology
• 4.3 in full‑color touch display (480 x 272) with status color indicators
• Multiple connectivity: Ethernet, USB 2.0, USB Host, optional dual wireless radio (Wi‑Fi and Bluetooth), BLE for mobile setup
• Field‑installable options: dispenser/peeler, cutter, wireless kits and optional battery for portable operation
• Security and device management via Zebra PrintSecure and the Zebra DNA suite

RFID Features

• Supports UHF EPC Gen 2 V2.1 / ISO/IEC 18000‑63 / RAIN RFID tags
• Prints and encodes tags with minimum pitch 0.6 in / 16 mm
• Adaptive Encoding Technology simplifies RFID setup and reduces placement constraints
• RFID job monitoring and timestamped RFID logs for traceability
• Global RFID certifications for multi‑country deployments; support for multi‑vendor chip‑based serialization (MCS)
• ZPL RFID commands for compatibility with existing Zebra integrations

Standard Features

• Print methods: Thermal Transfer and Direct Thermal
• Supported languages/firmware: ZPL II, EPL 2, XML, ZBI, PDF Direct
• Resolution: 203 dpi standard; optional 300 dpi
• Memory: 512 MB Flash; 256 MB SDRAM
• Maximum print speed: up to 8 in/s (203 dpi); up to 6 in/s (300 dpi)
• Media handling: OpenACCESS loading, media dancer, full‑width reflective/black‑mark sensor and multi‑position transmissive/gap sensor

Physical Characteristics

• ZD621R dimensions: 267 x 202 x 192 mm (10.5" x 8.0" x 7.5") — weight 2.5 kg (5.5 lb)
• ZD611R dimensions: 242.9 x 138.7 x 169.2 mm (9.56" x 5.46" x 6.66") — weight 1.629 kg (3.59 lb)

Printer Specifications

• Max print width: ZD621R — 104 mm (203 dpi) / 108 mm (300 dpi); ZD611R — 56 mm (203 dpi) / 54 mm (300 dpi)
• Media width range: ZD621R 15–118 mm; ZD611R 15–60 mm
• Label length: 6.35 mm to 991 mm
• Roll OD max: 127 mm; standard core IDs 0.5" and 1.0" (adapters available)
• Ribbon: 300 m (66 mm OD) or 74 m (34 mm OD); widths per model as specified

Operating Characteristics

• Operating temperature: 4.4° to 41° C
• Storage temperature: -40° to 60° C
• Operating humidity: 10% to 90% non‑condensing
• Electrical: Auto‑detect 100–240 VAC, 50–60 Hz; Energy Efficiency Level VI; optional 2750 mAh battery; medical power options available

Options and Accessories

• Dispenser/peeler and cutter (factory or field installable)
• Factory or field installable dual radio (802.11ax Wi‑Fi 6 + Bluetooth 5.3)
• Optional battery for portable/shift‑length printing and compatible media options
• Keyboard Display Unit (ZKDU) for standalone use

Fonts, Graphics and Symbologies

• 1D and 2D barcode support (Code 39, Code 128, UPC/EAN, PDF417, DataMatrix, QR, Aztec, etc.)
• Resident ZPL/EPL fonts, OpenType support and Unicode compliance

Included in the Box

• Printer; empty ribbon take‑up cores (model dependent); AC power supply and cord; USB cable; Quick Start Guide; Regulatory Guide

Warranty

• Minimum 2‑year limited warranty from shipment; regional terms vary

Markets and Applications

• Retail: apparel tags, in‑store tagging, pharmacy bags
• Food & Beverage: expiration tracking, recall management
• Healthcare: patient ID wristbands, specimen labeling, equipment tracking
• Hospitality & events: RFID wristbands and access control

Technical Specifications (summary)

• Models: ZD621R (4" RFID), ZD611R (2" RFID)
• OS: Link‑OS; Firmware: ZPL II, EPL 2, XML, ZBI, PDF Direct
• Memory: 512 MB Flash; 256 MB SDRAM
• Certifications: ENERGY STAR; global regulatory approvals; environmental compliance (RoHS, REACH)