Features
Print technology	Laser printing
Printing colours	Black, Cyan, Magenta, Yellow
Compatibility	HL-L8260CDW, HL-L8360CDW, HL-L9310CDW, HL-L9310CDWT, HL-L9310CDWTT, DCP L8410CDW, MFC L8690CDW, MFC L8900CDW, MFC L9570CDW, MFC L9570CDWT
Type	Original
Brand compatibility	Brother
Quantity per pack	1 pc(s)
Page yield	30000 pages
Product colour	Black
Country of origin	China
Multipack
Logistics data
Harmonized System (HS) code	84439990
Pallet gross height	16.9 cm
Pallet gross weight	93.2 kg
Master (outer) cases per pallet	28 pc(s)
Master (outer) cases per pallet layer	4 pc(s)
Layers per pallet	7 pc(s)
Products per pallet	28 pc(s)
Packaging data
Package weight	2.67 kg
Technical details
Pallet type	1200 x 1000 mm
Weight & dimensions
Width	423 mm
Depth	225 mm
Height	453 mm
Weight	1.64 kg

The Brother DR-421CL is an original drum unit for laser printers, developed specifically for use in Brother printing systems. It serves as a central component in the printing process by taking over the electrostatic charging of the drum, which is necessary for fixing the toner onto the paper. The drum unit is intended for use in several Brother models, including the printers and multifunction devices HL-L8260CDW, HL-L8360CDW, HL-L9310CDW, HL-L9310CDWT, HL-L9310CDWTT, DCP-L8410CDW, MFC-L8690CDW, MFC-L8900CDW, MFC-L9570CDW and MFC-L9570CDWT. Compatibility is ensured through joint development of the printer and consumables, enabling optimal coordination of individual components.

Applications

The drum unit is designed for use in office and work environments with high print volumes. It is particularly suitable for companies requiring high print quality and reliability. Using original Brother consumables ensures consistent print results and extends the lifespan of the printing unit. The drum is designed for use in colour laser printers that support the print colours black, cyan, magenta and yellow.

Functions and Features in Detail

The DR-421CL is developed as original accessory by Brother and meets the company’s own quality standards. The drum unit is designed for a print capacity of 30,000 pages, with the figure based on the ISO/IEC 19752 standard for black-and-white printing. The actual yield may vary depending on print content and settings. The drum is easy to install and requires no special tools. The unit is housed in a robust housing that protects the sensitive internal components.

Technology Explained Simply

The drum unit operates within the laser printing process. In this process, the drum is electrostatically charged, thereby acquiring a static charge. The toner, which also carries an electrical charge, is attracted to the drum and forms the print image. This image is then transferred onto the paper and fixed using heat. The DR-421CL is designed for use with the corresponding toner cartridges to ensure uniform and error-free print transfer. The drum is made from a special material that offers high abrasion resistance and uniform charging characteristics.

Compatibility and Accessories

The drum unit is compatible with the specified Brother printer models. Use with other brands or models is not intended and may result in printing errors or damage to the device. The drum is part of a complete printing system consisting of the printer, toner, drum and transfer rollers. Combining it with original Brother consumables ensures optimal performance and minimizes wear on the printing unit.

Installation and Mounting

Installation is performed by simply inserting the drum unit into the printer. The unit is designed so that it can only be installed in the correct position. Mounting requires no tools and can be carried out by any user. After installation, the printer will automatically detect the new drum and reactivate the printing function.

Advantages in Operation

Using the DR-421CL provides high print quality with sharp contours and even colour distribution. The drum is designed for a long service life, reducing maintenance costs. Its coordination with the printer minimizes the risk of paper jams and printing errors. The drum unit is part of a comprehensive consumables ecosystem that enhances the reliability and efficiency of the printing process.