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ZD4A042-301M00EZ - Zebra ZD421T Desktop Barcode Label Printer
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Zebra ZD421T Desktop Barcode Label Printer
The Zebra ZD421T is a next-generation desktop barcode label printer designed to deliver enhanced performance, flexibility, and security compared to the ZD420 series. Supporting both thermal transfer and direct thermal printing, it is well-suited for retail, logistics, healthcare, and general-purpose labeling applications requiring reliable and consistent output.
Dual Printing Modes
Supports both direct thermal and thermal transfer printing for flexible application coverage.
High-Performance Output
203 dpi resolution with print speeds up to 152 mm/s (6 ips) ensures clear and efficient label production.
Flexible Connectivity
USB, Bluetooth (BLE), Ethernet, NFC, and optional Serial connectivity for seamless system integration.
User-Friendly Operation
3-button interface, 5 LED status indicators, and easy ribbon cartridge loading for simplified use.
Quick Specifications
| Model | Zebra ZD421T (ZD4A042-301M00EZ / ZD4A042-30EM00EZ variants) |
| Product Type | Desktop Barcode Label Printer |
| Print Technology | Direct Thermal / Thermal Transfer |
| Resolution | 203 dpi |
| Max Print Speed | 152 mm/s (5.98–6 ips) |
| Max Print Width | 4.09 inches (104 mm) |
| Memory | 256 MB Standard Memory |
| Connectivity | USB, Bluetooth, Ethernet, NFC, Optional Serial |
| Mobile Printing | Supported |
| Media Capacity | Max roll diameter 5", max label width 4.41", max label length 39.02" |
| Form Factor | Desktop |
| Dimensions (H × W × D) | 7.4" × 8" × 10.5" |
| Weight | Approx. 4.52 lb |
| Power Cable | US standard included |
| Certifications | cTUVus, Energy Star, RoHS |
Key Benefits
- Flexible Printing Options – Supports both thermal transfer and direct thermal printing for different labeling needs.
- Reliable Performance – Consistent 203 dpi output with fast print speeds for daily business operations.
- Easy System Integration – Multiple connectivity options including USB, Ethernet, Bluetooth, and NFC.
- Simple Operation – Intuitive controls and ribbon cartridge system reduce training and maintenance effort.
- Business-Ready Design – Suitable for healthcare, retail, logistics, and office environments.
Frequently Asked Questions About Product
If these questions do not dispel your doubts, please contact us
Where do your products come from?
All of our products from Cisco Disti,Cisco partner, Cisco distribution directly.
How to ship the goods?
Datadirect cooperation with FEDEX,UPS & DHL and air shipment. Orders can be tracked by express Tracking number. Air shipment will supply the B/L.
Can l use my own freight account to ship my order?
Sure, we can use your accounts to ship goods without any issue.
What's your warranty for the products you sell?
Please refer below our warranty terms.
https://www.datadirectglobal.com/pages/product-warranty-policy
Datadirect offers for all items on the website.
Cisco/Juniper:
1 year warranty for new licensed products; 3 months warranty for used, REF, etc.
Aruba:
Generally provide Limited Lifetime Warranty
PS: Limited Lifetime Warranty means the machine is damaged during normal use, datadirect can provide free warranty service. However, we cannot provide warranty for damage caused by human or violent factors.
If you need to apply for a product warranty, you need to send the defective product back to us (suzhou China). The shipping cost of the defective product and the shipping cost of the spare parts will be borne by datadirect.
The shipping cost for the return is: first receipt address to our warehouse. The shipping cost of the spare parts is from our warehouse to the first delivery address.
I want to buy a licence/service for a device, can I use it properly locally?
Fortinet, Meraki branded equipment licences purchased from us can be used globally, Cisco service needs to be confirmed by contacting us
Order Fulfillment Process
From Warehouse to Delivery: Ensuring Accuracy and Speed
Our order fulfillment process guarantees that your order is handled with the utmost care and efficiency.

Over 3 million in stock
Intelligent Warehouse

Assist customers throughout the order process
customer service

Secure and protective packing
Packaging

Accurate checks for model and quantity
Model and Quantity Verification

Fast and reliable transportation to your location
Shipping
Contact Us
If you have any needs, you can leave a message here, we will contact you as soon as possible
Address: RM I-14/FBLK2 GOLDEN DRAGONIND CTR 16-170 TAI LIN PAIROAD KWAI CHUNG
Contact: Jerry Kong
Phone: + 852-21349805
Monday to Friday.
7am to 24pm
chalice@datadirectglobal.com
whatsapp: +8618795881917





