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Zebra ZD4A043-D01E00EZ ZD421 Direct Thermal Printer - Monochrome Desktop/Portable - 4.02 in/s Print Speed - 4.25" Max Width
Business volume discounts
Technical guidance
Preparation & staging
QC · ON · AB · BC
Product Features
Technical Overview
The ZD421 employs direct thermal printing technology, which uses heat-sensitive media to produce images without toner, ink, or ribbons. This simplifies consumables management and reduces per-page operating costs for high-volume label and receipt applications. The print mechanism supports monochrome output at 300 dots per inch, ensuring barcode legibility and text clarity for compliance and tracking purposes.
Connectivity is comprehensive, with wired USB and Ethernet ports for network integration alongside wireless Bluetooth and Near Field Communication for mobile device pairing and tap-to-print workflows. The USB host capability allows connection of peripherals such as barcode scanners or scales directly to the printer. Mobile printing support extends compatibility to iOS and Android devices via dedicated apps or driverless printing protocols.
Relevant factors for this section include Recommended Use, Print Color Capability, Maximum Mono Print Speed, Standard Memory. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The ZD421 balances performance, flexibility, and total cost of ownership for organizations requiring dependable thermal printing. Its all-in-one connectivity suite eliminates the need for external print servers or adapters, while the portable design enables quick repositioning between workstations or temporary field locations.
Media Versatility
Handles receipts, labels, reflective materials, black mark media, tags, wristbands, and continuous formats from 5-inch diameter rolls.
- Receipt & Label Print
- Roll Fed & Fanfold
- Die-cut & Continuous
- Tag Stock & Wristbands
Deployment Flexibility
Desktop form factor with portable weight under 3 pounds supports both permanent installation and on-the-go printing needs.
- Desktop Application
- Portable Design
- Field Service Ready
- Quick Relocation
Deployment / Use Cases
The ZD421 is optimized for environments where reliable, on-demand printing of labels, tags, and receipts is critical to operational workflow. Its combination of speed, media handling, and connectivity makes it a practical choice for diverse business applications.
In retail and hospitality settings, the printer efficiently generates receipts, price labels, and promotional tags at point-of-sale or back-office stations. The Ethernet port facilitates network sharing across multiple registers or kitchen printers, while Bluetooth enables wireless printing from tablets used for mobile checkout or tableside ordering.
Warehouse and logistics operations benefit from the ZD421's ability to produce shipping labels, packing slips, and bin location tags at packing stations or loading docks. The durable construction withstands industrial environments, and the wide media compatibility accommodates various label sizes and adhesive types. Healthcare facilities utilize the printer for patient wristbands, specimen labels, and pharmacy receipts, with NFC enabling secure tap-to-print authentication where required.
Physical Profile
Designed for space-constrained work areas, the ZD421 measures 5.93 inches high, 6.98 inches wide, and 8.69 inches deep, with an approximate weight of 2.98 pounds. The portable form factor and lightweight construction allow easy transport between locations, while the compact footprint conserves valuable counter space in retail, clinic, or warehouse environments.
The dual-wall frame provides structural rigidity and protection during movement, and the integrated carrying handle simplifies relocation. AC power operation ensures consistent performance without battery management concerns, with a US-localized power cable included.
- Width
- 4.25" (108 mm)
- Depth
- 8.69" (220.73 mm)
- Height
- 5.93" (150.62 mm)
- Weight
- 2.98 lb (1350 g)
- Length
- 39.02" (991 mm)
What's in the Box
The ZD421 ships complete with all necessary components for immediate setup and operation.
Highlights
- Direct thermal printing technology for labels and receipts
- Monochrome output at 300 dpi resolution
- Maximum print speed of 4.02 inches per second
- 4.25-inch maximum print width handles common label sizes
- Wired connectivity via USB, USB Host, and Ethernet
- Wireless options include Bluetooth and NFC
- Supports iOS, Android, and PC platforms
- Portable desktop form factor under 3 pounds
- Handles various media types including tags and wristbands
- Includes 2-year limited warranty
Specifications
| Specifications | |
|---|---|
| Manufacturer | Zebra Technologies Corporation |
| Manufacturer Part Number | ZD4A043-D01E00EZ |
| Brand Name | Zebra |
| Product Model | ZD421 |
| Product Name | ZD421 Direct Thermal Printer |
| Product Type | Direct Thermal Printer |
| Technical Information | |
| Recommended Use | Label/Receipt Print |
| Print Color Capability | Monochrome |
| Maximum Mono Print Speed | 4.02 in/s (102 mm/s) |
| Maximum Print Resolution (dpi) | 300 |
| Maximum Print Width | 4.25" (108 mm) |
| Real Time Clock | Yes |
| Application/Usage | Desktop |
| Features | Status Indicator,Dual Wall Frame |
| Mobile Device Printing | Yes |
| Memory | |
| Standard Memory | 256 MB |
| Interfaces/Ports | |
| USB Host | Yes |
| USB | Yes |
| Network & Communication | |
| Ethernet | Yes |
| Bluetooth | Yes |
| Near Field Communication (NFC) | Yes |
| Media Types & Handling | |
| Media Type | Receipt,Label,Reflective,Black Mark,Gap,Roll Fed,Fanfold,Die-cut Label,Continuous Label,Tag Stock,Continuous Receipt,Wristband |
| Maximum Roll Diameter | 5" (127 mm) |
| Maximum Label Width | 4.25" (108 mm) |
| Maximum Label Length | 39.02" (991 mm) |
| Fonts & Emulation | |
| Language Emulation | ZPL,EPL,ZPL II,EPL2,XML,ZBI,EZPL |
| Power Description | |
| Power Source | AC Supply |
| Physical Characteristics | |
| Form Factor | Portable |
| Height | 5.93" (150.62 mm) |
| Width | 6.98" (177.29 mm) |
| Depth | 8.69" (220.73 mm) |
| Weight (Approximate) | 2.98 lb (1350 g) |
| Miscellaneous | |
| Power Cable Localization | US |
| Package Contents | ZD421 Direct Thermal Printer AC Power Supply Power Cord(s) USB Cable Quick Start Guide Regulatory Guide |
| Cables Included | USB,AC |
| Platform Supported | iOS,Android,PC |
| Certifications & Standards | cTUVus |
| Energy Star | Yes |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
| Warranty | |
| Limited Warranty | 2 Year |
FAQ
What types of media can the Zebra ZD421 printer handle?
The ZD421 supports a wide range of direct thermal media including receipts, labels, reflective materials, black mark media, roll-fed and fanfold formats, die-cut labels, continuous labels, tag stock, continuous receipts, and wristbands. Maximum roll diameter is 5 inches, with label widths up to 4.25 inches and lengths up to 39.02 inches.
What connectivity options are available on this printer?
The printer offers comprehensive connectivity with wired USB and Ethernet ports for network integration, plus wireless Bluetooth and Near Field Communication for mobile device pairing. The USB host capability allows direct connection of peripherals like barcode scanners. This connectivity suite supports both fixed workstation and mobile printing scenarios.
What is the print speed and resolution of the ZD421?
The ZD421 prints at a maximum speed of 4.02 inches per second (102 mm/s) with a resolution of 300 dots per inch. This combination delivers fast throughput while maintaining sharp text and barcode quality for compliance-critical applications like shipping labels and patient wristbands.
Is this printer suitable for mobile or field service use?
Yes, the ZD421's portable form factor, lightweight design under 3 pounds, and wireless connectivity make it well-suited for field service applications. The printer can easily be transported between locations and used with mobile devices via Bluetooth or NFC, while AC power ensures consistent operation without battery concerns.
What platforms and operating systems are supported?
The printer is compatible with iOS, Android, and PC platforms. It supports multiple printer language emulations including ZPL, EPL, ZPL II, EPL2, XML, ZBI, and EZPL, ensuring broad software compatibility across different operating systems and business applications.
What is included in the box with the ZD421 printer?
The package includes the ZD421 direct thermal printer, AC power supply, power cord(s), USB cable, quick start guide, and regulatory guide. All necessary cables for immediate setup and operation are provided, with no additional accessories required for basic printing functionality.