Description
The Zebra ZD421T 300 dpi Thermal Transfer Label Printer [ZD4A043-30PE00EZ] is a genuine Zebra desktop printer for businesses needing finer text, graphics and barcodes than a standard 203 dpi configuration. This version includes USB and Ethernet for direct computer or wired network connections.
It uses 74 m or 300 m ribbon rolls with compatible thermal transfer labels, and supports direct thermal printing with suitable media. Its maximum print speed is 102 mm per second at 300 dpi. Bluetooth Low Energy 5 is for the Zebra printer setup mobile app, not Bluetooth Classic printing.
- ✔ 300 dpi resolution for fine label detail
- ✔ USB 2.0 and USB Host connections
- ✔ 10/100 Ethernet for wired networking
- ✔ Print speeds up to 102 mm per second
- ✔ Choice of 74 m and 300 m ribbon rolls
- ✔ 512 MB Flash and 256 MB SDRAM
- ✔ Five status icons and three control buttons
- ✔ Movable media sensor for compatible label formats
Value and Upgrade Options
Choose 300 dpi when small text or detailed barcode layouts are important to your application. It provides more print detail than a 203 dpi version, with a lower maximum print speed. For standard labels where speed is the priority, compare the 203 dpi version below.
Key Features
- Media flexibility: Select a suitable ribbon and label combination for your application. Durability depends on the supplies used.
- Network or local connection: Ethernet supports a wired network setup, while USB provides a direct computer connection.
- Accessible media loading: The opening cover, media guides and status indicators help with routine operation.
- Software integration: Zebra Link OS and ZPL II and EPL2 support work with compatible label software.
Compatibility and Media
The ribbon roll model accepts media from 15 mm to 112 mm wide, with a roll outside diameter up to 127 mm. Standard media core sizes are 12.7 mm and 25.4 mm. Media width includes the label backing and is not the same as printable width.
Supported ribbon lengths are 74 m and 300 m. Match the ribbon width, core and material to your label stock. Check your exact label layout and printer settings before ordering supplies, particularly for designs close to the edge of the label. Labels and printing ribbon are sold separately.
Compare Related Zebra Printers
For standard 203 dpi labels with Ethernet, see the ZD421T 203 dpi USB and Ethernet version. For a USB workstation, compare the ZD421T 203 dpi USB version. For a faster 203 dpi option with a serial interface, see the ZD621T 203 dpi USB, Ethernet and serial version.
Product Specifications
| Brand and model | Zebra ZD421T |
|---|---|
| Manufacturer part number | ZD4A043-30PE00EZ |
| Condition | New, genuine Zebra |
| Print technology | Thermal transfer ribbon roll; direct thermal with suitable media |
| Resolution | 300 dpi |
| Maximum print speed | 102 mm per second |
| Connections | USB 2.0, USB Host and 10/100 Ethernet; BLE 5 for setup only |
| Memory | 512 MB Flash and 256 MB SDRAM |
| Media width | 15 to 112 mm, including backing |
| Maximum media roll diameter | 127 mm |
| Ribbon lengths | 74 m or 300 m |
| Printer dimensions | 267 × 202 × 189 mm, length × width × height, excluding packaging |
| Printer weight | 2.05 kg, excluding packaging |
Ideal For
- Detailed product and inventory labels
- Small text and barcode layouts designed for 300 dpi
- Workplaces using a wired label printing network
What's Included?
- Zebra ZD421T printer, part number ZD4A043-30PE00EZ
- Power supply and regional power cord
- USB cable and printer documentation
- Empty starter ribbon cores and non Zebra 300 m ribbon adapters
Labels, printing ribbon and optional accessories are sold separately.
Why Buy From OzToner
- Australian owned business
- Fast Australia wide shipping
- Local customer support
- Competitive pricing
- Experienced printer and IT specialists
Frequently Asked Questions
Why choose 300 dpi rather than 203 dpi?
The higher resolution is useful for finer text and detailed label layouts. Select the resolution that suits your barcode dimensions, software and media.
Is its speed the same as the 203 dpi version?
No. This 300 dpi version prints at up to 102 mm per second. The ZD421T 203 dpi version supports up to 152 mm per second.
Does this part number include Ethernet?
Yes. USB, USB Host and 10/100 Ethernet are included.
Can I print using the BLE connection?
The included BLE 5 is for Zebra's printer setup mobile app. It is not a Bluetooth Classic printing interface, and this is not the factory WiFi configuration.
Are 74 m and 300 m label widths?
No. They are supported ribbon lengths in metres. Your media and ribbon widths must be selected separately.
Can it use direct thermal labels?
Yes, with suitable direct thermal media and the correct printer mode. Thermal transfer label stock requires a matching ribbon.

Last Updated: 07 October 2026
Last Pricing Update: 07 October 2026. Listing information reviewed; selling price unchanged.
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Refund Policy
The OZ Toner Return Policy applies to all purchases made on this website.
We recommend you read our Returns Policy carefully prior to placing an order and retain a copy of these terms and your order so you are familiar with our policy on refunds, returns and exchanges and your rights under the Australian Consumer Law.
We recommend you immediately examine goods delivered to you to ensure that there are no visible signs of damage or fault and that the goods received match the order you placed. Our exchange/return window is within 30 days of receiving your order. All incorrectly ordered or unwanted returns will incur a minimum 20% restocking fee.
Our Return Address
52A/5 Gladstone Rd, Castle Hill, NSW 2154
Exchange/Return (Consumables)
OZ Toner allows exchange/return within 30 days of receiving your order. This applies to consumable products purchased from us: inks, toners, printing and fax supplies and paper. Please scroll down to read our policy on exchange/return for scanners and printers.
If any consumable goods purchased from OZ Toner are damaged, lost in transit, incorrect or faulty, please contact us at support@oztoner.com with this information:
- Your order number
- Detailed description of the reason for return/exchange request
- Photo proof (if applicable).
For exchanges, the product/s must be in the original (new/unused) condition that you received it, in its original packaging. The customer is responsible for the postage fee to send the product/s back to us. OZ Toner will pay the postage to send the new product/s to the customer. All product/s sent back to us must use tracked post, we are not responsible for product/s lost in transit.
Exchange/Return (Hardware)
OZ Toner allows exchange/return within 30 days of receiving your order. This applies to hardware products purchased from us: scanners and printers.
If any hardware goods purchased from OZ Toner are damaged, lost in transit, incorrect or faulty, please contact us at support@oztoner.com with this information:
- Your order number
- Detailed description of the reason for return/exchange request
- Photo proof (if applicable).
Please ensure to contact us via email at support@oztoner.com before returning any items to obtain a Return Authorization Number. Return Authorizations are only valid for 14 days.
It is your obligation to pack returned products satisfactorily to prevent any damage to the items or boxes. You have a legal obligation to take reasonable care of the product/s while they are in your possession until they reach our warehouse.
When returning your purchase, we ask that you provide a Proof of Purchase (Order Confirmation Email) and where possible the product/s in original unopened packaging.
Once received back, we will issue a replacement or full/partial refund depending on actual case.
Change of Mind Returns
Please choose carefully as we do not provide a refund if you have simply changed your mind or made a wrong selection.
If you wish to exchange product/s which you have purchased in error, we will happily exchange provided that:
- You return the product/s within 30 days of purchase.
- You provide Proof of purchase (Your Order Confirmation Email)
- Product/s are unopened, unused and in its original packaging.
- A minimum of 20% restocking fee applies.
- You must bear the risk of return and is responsible for the costs of return postage.
- You must confirm the product/s are received and notify us before returning the product/s, the product/s being returned must satisfy all the return requirement stated above.
- The initial shipping fee charged, or any outbound postage incurred to ship to the customer will not be refunded or credited.
We reserve the right not to offer an exchange if the above requirements are not met.
Return shipping and costs are the responsibility of the customer. We recommend customers to send the item back with a tracked service. For high value products, the customer is also advised to use an insured shipping method.
Faulty or Damaged items
We provide refund or replacement on defective and damaged products.
You MUST contact us within 30 days of product/s being received and believed to be faulty. We will provide the contact information of manufacturer. Customer MUST contact manufacturer to request return authorization letter / DOA letter. Once we received the RA letter or DOA letter from the customer, we will initiate the return process and send customer our return instruction. When the goods are returned to us, we will offer either refund or replacement for the customer.
Items with Manufacturer Warranty:
Buyers must contact manufacturer of the item for all the warranty service within the warranty period. We will provide contact details of the manufacturer to the buyer. We have no other responsibility (including DOA) for items covered with manufacturer warranty.
Items with Onsite Manufacturer Warranty:
Buyers must contact manufacturer of the item for all the on-site warranty service within the warranty period. We will provide contact details of the manufacturer to the buyer. We have no other responsibility (including DOA) for items covered with manufacturer warranty.
Items with Return to Base Warranty:
Buyers are responsible to send back the faulty item to us. Items with valid warranty within the warranty period will be replaced with fully functional unit after checking. Please allow up to 2 weeks for replacement. We have no guarantee on product compatibility with buyers own equipment unless specified on the item listing.
Any other issues and queries, customers are welcome to send us message and email to discuss further.
Refund Conditions
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Refunds are only issued under certain circumstances, such as:
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DOA products where no exchange/replacement is possible
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Incorrect supply where the proper model cannot be provided
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Approved cases where neither replacement nor upsell option is available
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All refunds must be pre-approved by OzToner.au management before processing.
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Refunds are made via the original payment method and typically processed within 7 business days after approval.
Delivery Charges
Any product/s replaced under the Returns Policy due to being damaged, faulty or incorrect will be delivered to you free of charge.
Any returns due to you changing your mind about your purchase will incur a re-delivery fee.
Consumer Guarantees
Under the Australian Consumer Law, you have Consumer Guarantees for Goods and Services You purchase. Our product/s come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the product/s repaired or replaced if the product/s fail to be of acceptable quality and the failure does not amount to a major failure.
Where you believe an item is faulty, you must contact manufacturer to for it to be assessed within a reasonable period of time, and you must request return authorization letter from the manufacturer if the item is confirmed faulty. If there is a major failure with the item, and you have forwarded the return authorization letter granted by manufacturer to us, you may choose a refund or exchange. If the failure is minor, manufacturer will honor the warranty and repair the item for you within a reasonable time.
Where an item is damaged through misuse or abnormal use, OZ Toner cannot provide a refund, exchange or repair, whether the fault is identified by OZ Toner, the manufacturer or their service agent.
OZ Toner will require satisfactory proof of purchase before providing a remedy under the Australian Consumer Law.
For further information about the Australian Consumer Law and Consumer Guarantees, visit www.consumerlaw.gov.au.

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