Features
Label colour	Black on blue
Tape type	M
Product colour	Grey
Print technology	Thermal transfer
Country of origin	China
Finish type	Gloss
Spare part retention	5 year(s)
Brand compatibility	Brother
Compatibility	P-touch
Logistics data
Pallet gross height	7.8 cm
Master (outer) cases per pallet	280 pc(s)
Layers per pallet	7 pc(s)
Master (outer) cases per pallet layer	40 pc(s)
Pallet gross weight	191.3 kg
Products per pallet	5600 pc(s)
Harmonized System (HS) code	48219090
Technical details
Pallet type	800 x 1200 mm
Weight & dimensions
Tape width	9 mm
Tape length	8 m
Width	95 mm
Depth	185 mm
Height	18 mm
Weight	24 g
Quantity per pack	1 pc(s)
Package width	10 mm
Package depth	10 mm
Package height	10 mm
Package weight	1 kg

The Brother MK521BZ is a label tape for P-touch label printers, serving as consumable material for labeling objects in indoor environments. It is a non-laminated tape with a width of 9 mm and a length of 8 m, featuring the color combination black on blue. The printing technology is based on thermal transfer, which ensures the text is clearly and durably fixed onto the plastic tape. The tape is designed for use in Brother P-touch printers and is suitable for various applications, such as labeling CDs, photo albums, kitchen containers, or other household and office items. The tape surface is glossy, enhancing the readability of the printed text. The cassette itself is gray in color and is compatible with the P-touch series from the manufacturer.

Applications
This label tape is primarily intended for indoor use. It is suitable for labeling objects that are not continuously exposed to direct sunlight or moisture. Typical applications include offices, archives, workshops, or households, where clear and durable labeling of cables, boxes, folders, or other items is required. The black-on-blue color combination offers high contrast, improving the readability of labels even under low lighting conditions.

Features and Specifications in Detail
The tape is supplied in a cassette with a width of 95 mm, depth of 185 mm, and height of 18 mm. The cassette is designed for direct use in compatible Brother P-touch printers. The tape length of 8 m allows for the creation of a large number of labels, enabling extended reuse of the cassette. The tape width is 9 mm, suitable for a wide range of labeling tasks, particularly for small to medium-sized labels. The cassette weighs 24 g, making it lightweight and easy to handle.

Technology Explained Simply
The thermal transfer technology works by applying targeted heat to transfer the ink from the ribbon layer onto the tape. The tape consists of a plastic carrier with an ink layer applied to it. During the printing process, the ink is transferred onto the tape via heat, fixing the text. The non-laminated surface ensures the text is directly visible on the plastic without an additional protective layer. The glossy surface enhances the visual appearance and readability of the label.

Compatibility and Accessories
The label tape is specifically developed for Brother P-touch printers and is compatible with the P-touch series. It is intended as original accessory for these devices. The cassette is not designed for other brands or printing technologies. Using it in other devices may result in poor print quality or damage to the device.

Installation and Mounting
Installation is performed by simply inserting the cassette into the corresponding printer. The cassette is designed to fit directly into the printer unit. No additional tools or settings are required. Operation begins after inserting the cassette by starting the printing process via the printer’s controls. The cassette is designed for direct use in compatible Brother P-touch printers.

Operational Advantages
The black-on-blue color combination provides high contrast, improving label readability. The thermal transfer technology ensures clear and durable print quality. The 8 m tape length allows for producing a large number of labels from a single cassette, increasing cost-efficiency. The cassette is lightweight and easy to insert into the printer. Indoor use ensures long-lasting label durability, provided environmental conditions are not extreme. The shelf life for spare parts is 5 years, ensuring long-term storage capability for the product.