Brother TD-4520DN Direct Thermal Label Printer: features and who it suits

The Brother TD-4520DN is a desktop direct thermal printer for labels, tags and receipts. It prints up to 4 inches wide at 300 dpi and up to 6 inches per second, and it can be shared across a network. It is made for shipping desks, small warehouses, shops and offices that print labels all day. Here is what the specs mean in daily use.

What direct thermal printing is

A direct thermal printer has no ink, toner or ribbon. Its print head heats heat-sensitive paper, which darkens where it is warmed. That keeps running parts to a minimum and makes loading a roll simple. The trade-off is that the labels need to be thermal stock, and thermal prints can fade with heat, light or friction over a long time. They suit shipping labels and receipts better than records meant to last for years.

300 dpi resolution

Resolution is measured in dots per inch. Brother lists 300 dpi, which is sharper than the 203 dpi found on many basic label printers. Higher resolution helps with small text, fine barcodes and logos, and it makes barcodes easier for scanners to read.

Four-inch width and 6 inches per second

The printer handles labels up to 4 inches wide, the common size for shipping labels, as well as barcodes and tags. Brother lists a print speed of up to 6 inches per second, so a 6-inch label could print in about a second under ideal conditions. A busy packing line gains from speed, but real throughput also depends on the software and the connection.

Connections and sharing

The printer has USB 2.0. Brother also says it lets you print from multiple PCs on one network, a capability the "N" in the model name usually indicates. Check the manual for the exact network ports and for the drivers and design software for your operating system.

LED icons instead of a screen

There is no LCD display. Easy-to-use LED icons show the status, such as paper or errors. That keeps the controls simple, though you will rely on your computer for detailed settings and messages.

Size and weight

The listing gives dimensions of 10.5 x 13.3 x 10.3 inches. The weight is stated as 1.0 lb, which looks like an unusual figure for a unit of this size, so check the specification sheet if the weight matters for your setup.

Who it suits

It suits small businesses and online sellers who print shipping labels, warehouses that need barcode labels, and offices that print tags and receipts on a shared network. It is less suited to full-colour or wide-format printing.

What to check before you buy

• Label stock: confirm the width and type of direct thermal rolls you plan to use, and the supported roll sizes.
• Software: check that your shipping or inventory software supports the printer, and that drivers exist for your operating system.
• Connection: USB 2.0 and the network option need a free port or a network jack.
• Model name: the description mentions the TD-4420D as well as the TD-4520DN, so confirm the exact model and its features in Brother's documentation.
• Print life: thermal labels can fade, so consider this for long-term records.
• Desk space: leave room for the roll and a clear paper path.

The short version

• A desktop direct thermal printer for 4-inch labels, barcodes, tags and receipts.
• 300 dpi resolution and up to 6 inches per second.
• USB 2.0, with printing from multiple PCs over a network.
• LED status icons in place of an LCD display.
• No ink or toner, but it needs thermal label stock.

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