MK621B specification sheet

Features

This tape cartridge includes features that combine visibility with compatibility and ease of use.

• Original or OEM Brother (or fully compatible equivalent) ensuring reliable compatibility with many Brother P-touch models. :contentReference[oaicite:0]{index=0}
• 9 mm tape width provides compact labels without sacrificing readability. :contentReference[oaicite:1]{index=1}
• 8 m tape length gives a large amount of labelling before replacement. :contentReference[oaicite:2]{index=2}
• Black print on yellow background offers high-contrast visibility, especially useful on storage bins, hazard notices, cables or areas needing attention. :contentReference[oaicite:3]{index=3}
• Non-laminated finish makes tape more affordable and sufficient for indoor applications without exposure to heavy wear or moisture. :contentReference[oaicite:4]{index=4}
• Standard adhesive suited for flat, smooth surfaces typical in offices, schools, homes. :contentReference[oaicite:5]{index=5}

Description

The Brother MK621B tape cartridge is designed to deliver bold, easily visible labels with black printing on a vibrant yellow background. At 9 mm width, it strikes a balance between subtle and standout, offering sufficient space for text without overwhelming surfaces. The non-laminated format keeps costs lower while remaining ideal for indoor environments where durability demands are moderate.

Easy to load in compatible Brother P-touch printers, this tape runs smoothly and prints sharply. It is particularly well suited for labelling file folders, storage boxes, cables, shelves and safety notices indoors. The standard adhesive adheres well to flat clean surfaces; avoid rough, wet or outdoor exposed areas to preserve longevity.

What's in the Box

• 1 x Brother MK621B 9 mm x 8 m black on yellow non-laminated tape cartridge
• Protective packaging

Specifications

• Model: MK621B
• Brand: Brother / Compatible OEM
• Tape width: 9 mm (0.35") :contentReference[oaicite:6]{index=6}
• Tape length: 8 m (26.2 ft) :contentReference[oaicite:7]{index=7}
• Print color: Black :contentReference[oaicite:8]{index=8}
• Background color: Yellow :contentReference[oaicite:9]{index=9}
• Tape type: Non-laminated (M-�series / non-laminated standard) :contentReference[oaicite:10]{index=10}
• Adhesive strength: Standard adhesive for indoor smooth surfaces :contentReference[oaicite:11]{index=11}
• Compatibility: Brother P-touch label printers that support non-laminated M/MK series 9 mm cartridges :contentReference[oaicite:12]{index=12}
• Use case: Indoor labelling, filing, warning tags, shelving, cables :contentReference[oaicite:13]{index=13}
• Country of origin: Not specified publicly :contentReference[oaicite:14]{index=14}
• Warranty: Subject to seller / manufacturer warranty terms :contentReference[oaicite:15]{index=15}