DYMO LabelManager 420P Labels – Compatible 12mm & 19mm D1 Tape
Looking for replacement labels for your DYMO LabelManager 420P? Colorty offers compatible D1 label tape in 12mm (1/2 inch) and 19mm (3/4 inch) for the DYMO LabelManager 420P, also known as the LM420P or DYMO 420P.
The LabelManager 420P is a high-performance portable label maker designed for both everyday organization and more advanced labeling tasks. It uses the DYMO D1 tape system and can create text labels as well as barcodes, logos and graphics when connected to a computer.
While the 420P supports several D1 tape widths, Colorty currently offers compatible 12mm and 19mm replacement tape for this model. These two sizes cover many common office, home, inventory, equipment and organizational labeling needs.
What Labels Does the DYMO LabelManager 420P Use?
The DYMO LabelManager 420P uses D1 label tape. D1 is the tape family used across many DYMO LabelManager models, and the 420P supports D1 widths up to 19mm.
For the LabelManager 420P, Colorty currently offers:
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12mm / 1/2 inch D1 tape – a versatile size for everyday labels, files, folders, cables, drawers and storage.
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19mm / 3/4 inch D1 tape – a wider option for larger text, equipment identification, shelves, bins and more visible labels.
Important: The DYMO LabelManager 420P itself supports additional D1 widths, but the compatible labels available from Colorty for this collection are currently 12mm and 19mm only.
12mm D1 Labels for DYMO LabelManager 420P
12mm (1/2 inch) D1 tape is a practical general-purpose choice for the LabelManager 420P. It provides enough space for clear text while keeping labels relatively compact.
12mm labels work well for:
- Files and folders
- Office supplies
- Storage containers
- Drawers and shelves
- Cables and wires
- Classroom materials
- Small equipment
- Home organization
If you need a versatile label size for everyday organization, 12mm D1 tape is a good place to start.
19mm D1 Labels for DYMO LabelManager 420P
19mm (3/4 inch) D1 tape provides a wider printable area and is useful when labels need to be easier to read or accommodate larger text.
19mm labels are particularly useful for:
- Storage bins and containers
- Shelves and cabinets
- Equipment identification
- Inventory and asset organization
- Large files and folders
- Workshop and tool storage
- Workplace organization
- Labels that need greater visibility
Choose 19mm D1 tape when you need more printable space or want labels that stand out more clearly on larger surfaces.
12mm vs. 19mm D1 Tape for the 420P
| Tape Width |
Best For |
| 12mm / 1/2 inch |
Files, folders, cables, drawers, office supplies and everyday organization |
| 19mm / 3/4 inch |
Storage bins, shelves, equipment, inventory and larger, more visible labels |
Both widths use the same D1 tape system. The main difference is the available label area. For compact everyday labeling, 12mm is a versatile option. For larger text or more prominent identification, 19mm provides additional space.
What Makes the DYMO LabelManager 420P Different?
The DYMO LabelManager 420P is designed for users who need more than a basic handheld label maker. It combines a portable rechargeable design with computer connectivity and features intended for more advanced label creation.
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Rechargeable battery: The 420P uses a rechargeable battery pack, so you can label without constantly replacing disposable batteries.
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Four-line backlit display: The display lets you view more of your label before printing and makes formatting easier to check.
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PC and Mac connectivity: Connect the 420P to a computer to create more customized labels.
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Barcode printing: The 420P can create commonly used barcode formats, making it useful for inventory and asset identification.
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Graphics and logos: When connected to a computer, the label maker can be used to create labels with graphics and logos.
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Frequently used labels: The machine provides memory for frequently used labels, making repeat labeling faster.
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Portable design: The rechargeable format makes it practical for labeling in different locations rather than only at a desk.
These features make the 420P a useful option for users who need both everyday labels and more advanced labeling capabilities such as barcodes, graphics and computer-created layouts.
DYMO LabelManager 420P Software and Computer Connectivity
One of the more distinctive features of the LabelManager 420P is its ability to connect to a computer. DYMO lists the 420P as compatible with DYMO Connect for Desktop on Windows and Mac.
Computer connectivity can be useful when you need to create labels with more detailed layouts, import information, or add elements such as graphics and barcodes. For simple text labels, you can still create labels directly using the machine's keyboard.
This makes the 420P different from basic label makers that are designed only for standalone operation.
DYMO LabelManager 420P for Barcodes and Inventory
If you use labels for inventory, equipment or asset identification, the 420P offers additional functionality beyond ordinary text labeling. The machine supports several common barcode formats, including UPC-E, Code 39, Code 128, EAN-13, EAN-8 and UPC-A.
For these applications, the wider 19mm D1 tape can provide more room for readable identification, while 12mm tape can be useful for smaller items and compact labeling areas.
Common Uses for DYMO 420P Labels
The LabelManager 420P can be used for a wide range of organization and identification tasks.
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Office organization: Label folders, cabinets, drawers, files and supplies.
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Inventory: Identify storage bins, products, equipment and assets.
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Home organization: Label containers, shelves, drawers and household supplies.
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Classrooms: Organize teaching materials, shared supplies and storage areas.
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Workshops: Identify tools, parts, containers and equipment.
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Cable management: Use compact labels to identify cables and connections.
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Equipment identification: Create clear labels for workplace and electronic equipment.
How to Choose Replacement Labels for DYMO LM420P
When purchasing replacement tape for the DYMO LabelManager 420P, there are three things to check:
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Tape family: Make sure the replacement cartridge is compatible with the DYMO D1 system.
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Tape width: Colorty currently offers 12mm / 1/2 inch and 19mm / 3/4 inch options for the 420P.
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Label application: Choose 12mm for general-purpose labels or 19mm when you need more printable space and visibility.
If you are replacing an existing cartridge, check the width printed on the original packaging or cassette before ordering.
DYMO LabelManager 420P Labels FAQ
What labels does the DYMO LabelManager 420P use?
The DYMO LabelManager 420P uses D1 label tape. The machine supports D1 widths from 6mm through 19mm. Colorty currently offers compatible 12mm and 19mm D1 replacement tape for this model.
What size tape does the DYMO 420P use?
The LabelManager 420P supports D1 tape in 6mm, 9mm, 12mm and 19mm widths. For this Colorty collection, the available sizes are 12mm / 1/2 inch and 19mm / 3/4 inch.
Does Colorty sell 12mm labels for the DYMO LabelManager 420P?
Yes. Colorty offers compatible 12mm / 1/2-inch D1 replacement tape for the DYMO LabelManager 420P.
Does Colorty sell 19mm labels for the DYMO LabelManager 420P?
Yes. Colorty offers compatible 19mm / 3/4-inch D1 replacement tape for the DYMO LabelManager 420P.
Can I use 12mm and 19mm D1 tape in the same 420P?
Yes. Both 12mm and 19mm are supported D1 widths for the LabelManager 420P. Choose the width based on how much printable space you need.
Which is better for the DYMO 420P, 12mm or 19mm?
It depends on the application. 12mm is a versatile option for files, folders, cables, drawers and general organization. 19mm provides a wider label area and is useful for equipment, storage bins, shelves and labels that need to be more visible.
Is the DYMO LabelManager 420P rechargeable?
Yes. The 420P uses a rechargeable battery pack, allowing you to use the label maker without relying on disposable AA batteries.
Does the DYMO 420P connect to a computer?
Yes. The LabelManager 420P can connect to a PC or Mac. DYMO lists it as compatible with DYMO Connect for Desktop, allowing you to create more customized labels on a computer.
Can the DYMO LabelManager 420P print barcodes?
Yes. The 420P supports several common barcode formats, including UPC-E, Code 39, Code 128, EAN-13, EAN-8 and UPC-A. This makes it useful for inventory and asset labeling.
Can the 420P print logos and graphics?
Yes. When connected to a computer, the LabelManager 420P can be used to create customized labels containing graphics and logos.
Is the DYMO LabelManager 420P the same as LM420P?
Yes. DYMO LabelManager 420P, LM420P and DYMO 420P refer to the same label maker model.
Does the DYMO LabelManager 420P use D1 tape?
Yes. The 420P is part of the DYMO LabelManager family that uses the D1 label system. Make sure replacement cartridges are identified as D1-compatible.
Can I use DYMO LetraTag tape in the LabelManager 420P?
No. LetraTag and D1 are different DYMO tape systems. The LabelManager 420P uses D1 tape, so choose a compatible D1 replacement cartridge.
Does Colorty offer 6mm or 9mm tape for the 420P?
Not currently. Although the LabelManager 420P supports additional D1 widths, Colorty's compatible tape for this collection is currently available in 12mm and 19mm only.
Are Colorty 420P labels genuine DYMO labels?
No. Colorty labels are compatible third-party replacement products. They are designed for use with compatible DYMO label makers but are not manufactured by or affiliated with DYMO.
Shop Compatible DYMO LabelManager 420P Labels
Whether you need labels for office organization, inventory, equipment, storage or everyday labeling, Colorty offers compatible D1 replacement tape for the DYMO LabelManager 420P in 12mm and 19mm widths.
Choose 12mm D1 tape for versatile everyday labeling or 19mm D1 tape when you need a wider, more visible label.
Browse compatible D1 labels for the DYMO LabelManager 420P and find the tape size and color combination that fits your needs.
