Are you in search of a reliable printing solution for your business? Look no further than the Canon IR 2930i Mono printer. This multifunctional device combines high-quality printing, scanning, and copying capabilities in one compact unit. Equipped with advanced technology, the Canon IR 2930i delivers crisp and clear prints with every use. Say goodbye to blurry or smudged documents, ensuring professional-looking results for all your printing tasks. With its fast printing speeds, this printer ensures efficient workflow, allowing you to meet deadlines and stay productive. Whether it’s documents, presentations, or marketing materials, the Canon IR 2930i delivers exceptional performance every time. Experience seamless connectivity with built-in Wi-Fi and Ethernet options. Easily print from your computer, laptop, or mobile device, ensuring convenient access to your printing resources from anywhere in the office. Say goodbye to costly printing expenses with the Canon IR 2930i’s energy-saving features. This eco-friendly printer reduces power consumption without compromising performance, helping you save money and reduce your carbon footprint. Streamline your document management with the Canon IR 2930i’s advanced scanning capabilities. Effortlessly digitize your files and organize them with the included software, enhancing efficiency and collaboration within your team. In conclusion, the Canon IR 2930i Mono printer is the ultimate solution for your printing needs. With its high-quality prints, efficient performance, and versatile features, it’s the perfect addition to any business environment. Upgrade your printing experience today with the Canon IR 2930i printer. Specifications: Type : A3 Monochrome Laser Multifunctional Functions : Print, Copy, Scan, Send and Optional Fax Processor Speed : 1.6GHz Dual Core Processor Memory : 2.0GB RAM Storage : 64GB eMMC
The Brother Genuine TN-273C Standard Yield Cyan Toner Cartridge delivers bright, vibrant cyan color prints for laser printers. It produces clear, eye-catching graphics, charts, and documents while keeping text crisp and easy to read. Moreover, this original toner cartridge works with compatible Brother printers to help maintain consistent print quality and reduce streaks or smudges. Installing the TN-273C cartridge is quick and easy, allowing you to resume printing without delays. Additionally, its standard yield capacity suits moderate printing needs, making it a practical choice for home, school, or small office use. The cartridge delivers dependable results from the first page to the last, helping you complete projects without interruptions. The Brother TN-273C is ideal for users who want reliable color output for reports, presentations, flyers, and marketing materials. Furthermore, it helps maintain steady performance and supports smooth printer operation over time. Therefore, it is perfect for everyday printing needs where vibrant color matters. Finally, this toner combines easy installation, consistent quality, and reliable performance for all your color printing tasks. Specifications: Toner model: Brother TN-273C Standard Yield Print color: Cyan Page yield: Up to 2,300 pages (ISO/IEC standard) Compatibility: Selected Brother color laser printers and MFC devices Cartridge type: Genuine laser toner cartridge
Specifications : Sku 1VV22AA Yield 4000 Page Yield (Black And White) ~4,000 pages Cartridges Capacity Standard Capacity Cartridges Cartridge Color Black Technology Ink Color(S) Of Printing Supplies Black Ink Types Pigment-based Supply Type Cartridges Shelf Life 18 months Product Sub Type Standard Capacity Ink Cartridges Dimensions Without Stand (W X D X H) 47 x 47 x 150 mm Package Dimensions (W X D X H) 47 x 47 x 150 mm Minimum Dimensions (W X D X H) 1.85 x 1.85 x 5.91 in Package Dimensions (W X D X H) 1.85 x 1.85 x 5.91 in Operating Temperature Range 15 to 30°C Non-Operating Humidity Range 20 to 80% RH Operating Humidity Range 20 to 80% RH Storage Temperature Range -40 to 60°C Country Of Origin Made in Malaysia Hardware Compatibility HP Smart Tank 510 series, HP Smart Tank Plus 550 series, HP Smart Tank Plus 610 series Weight 0.12 kg Package Weight 0.13 kg Package Weight 0.29 lb Print Technology HP Thermal Inkjet Colour Black manufacturer link
The Brother QL‑800 High-Speed Professional Label Printer delivers fast, precise, and professional label printing for home, office, and business environments. With a 62mm print width, it produces clear, readable labels for files, packages, shipping, and organization tasks. Moreover, its high-speed printing capability ensures efficiency for busy workspaces, helping you complete labeling projects quickly. This label printer works seamlessly with Brother DK label rolls, including continuous and pre-cut labels, providing versatility for various applications. Additionally, it supports PC and Mac connectivity, allowing you to design labels from your computer with ease. Its plug-and-play setup and user-friendly software make it simple to start printing professional-quality labels right away. The QL‑800 is ideal for offices, schools, and small businesses that need reliable, high-speed label printing. Furthermore, its compact design fits neatly on desktops, saving space without sacrificing performance. Therefore, it is perfect for users who want durable, professional, and efficient labels. Finally, this printer combines speed, precision, and versatility for all labeling needs. Specifications: High-speed printing for quick label production Supports 62mm wide labels for clear readability Easy setup with plug-and-play and user-friendly software Works with a variety of Brother DK label rolls Compact, space-saving design for desktops
Print your own labels With the ColorWorks C3500 (TM-C3500), you can easily customise and print your own colour labels. Whether it’s printing packaging labels with colourful logos and pictures or tickets and ID cards with important barcodes and product information, this printer ensures you can print it all from one machine. It also helps you conform with GHS international chemical labelling guidelines, as labels can be printed on-demand without using pre-printed templates. High-quality and durable Thanks to the individual pigment ink cartridges, you can create fast-drying, highly detailed labels that are smudge, water and fade resistant. Not only will your labels look great, but the pigment ink’s long-lasting, durable qualities make it perfect for a wide variety of environments. Easy-to-use 4-colour label printer You can easily print on a wide selection of materials, including matte and glossy coated paper and filmic labels. This means you can create exactly the type of labels you need. The LCD screen displays ink levels and printer status information, while front operation and easy setup software means you can operate the printer without specialist training. Saving you money Thanks to individual pigment ink cartridges, this label printer is ideal for cutting printing costs with its low cost-per-label, as you only need to replace the colour used. manufacturer link
HP DeskJet 2320 All-in-One Printer (7WN42B) is an inkjet multifunction printer designed for basic home use. It supports printing, copying, and scanning in one device. HP DeskJet 2320 All-in-One Printer focuses on simple setup and everyday document tasks. In addition, it delivers print speeds up to 7.5 pages per minute for black and up to 5.5 pages per minute for color in ISO mode. It also supports manual duplex printing for two-sided documents. Moreover, it provides up to 4800 × 1200 optimized dpi color resolution. Furthermore, it includes a 60-sheet input tray and a 25-sheet output capacity for daily use. It supports USB connectivity only, without wireless or mobile printing features. Finally, it uses HP Thermal Inkjet technology and supports a monthly duty cycle up to 1000 pages. HP DeskJet 2320 All-in-One Printer delivers simple and reliable performance for basic home printing needs. Specifications: Print, copy, scan multifunction inkjet device Up to 7.5 ppm black and 5.5 ppm color ISO speed Manual duplex (two-sided) printing support 60-sheet input and 25-sheet output capacity USB 2.0 connectivity only (no wireless)
The Label Printer Epson ColorWorks C7500G is designed for businesses that require professional, high-quality, and durable labels. Because it uses PrecisionCore inkjet technology, it delivers crisp details and vibrant colors with exceptional speed. As a result, companies can reduce outsourcing costs and print labels on demand with outstanding consistency. With fast print speeds of up to 300 mm per second, the C7500G handles large volumes efficiently. Moreover, its high-capacity, individual pigment ink cartridges reduce downtime and provide a cost-effective labeling solution. Therefore, whether you are printing product labels, packaging labels, or compliance labels, the results remain sharp and smudge-resistant. Additionally, the Label Printer Epson ColorWorks C7500G supports a wide variety of media types and finishes. This flexibility ensures you can adapt labeling to different industries, including food, retail, healthcare, and logistics. Furthermore, its durable design and low maintenance requirements make it a reliable choice for continuous business use. The integrated Nozzle Verification Technology automatically detects and corrects clogged nozzles. Consequently, you can rely on consistent print quality and reduced waste. In addition, the printer offers easy connectivity, enabling smooth integration into existing workflows. With its powerful features, the Label Printer Epson ColorWorks C7500G empowers businesses to take control of their label production. In other words, it helps improve efficiency, cut costs, and enhance branding with professional-grade labels created in-house. Specifications: Max Print Width : 108MM Print Speed : 12 Inch/s Data interface : Ethernet and USB
Epson C13T67344A The Epson C13T67344A Yellow Ink bottle 70ml Epson Yellow Ink bottle 70ml Specifications: Specifications Epson Yellow Ink bottle 70ml
Original product name: Canon Business Inkjet Series – MAXIFY 4 In 1 Business Inkjet MAXIFY MB2740 All-In-One for busy home office with print, copy, scan and fax functions,24 ipm mono, 15 ipm color, 7.5cm touch screen Canon Business Inkjet Series – MAXIFY 4 In 1 Business Inkjet MAXIFY MB2740 All-In-One for busy home office with print, copy, scan and fax functions,24 ipm mono, 15 ipm color, 7.5cm touch screen, Automatic duplex printing with two 250-sheet paper cassettes, 50 sheet ADF, Scan to USB, email & CLOUD, Wi-Fi, Ethernet + Cloud Link, Apple AirPrint, Google Cloud Print, duty cycle 15,000 page per month. PGI-1400XL BK(1200 pages), PGI-1400XL Cyan, Magenta, yellow(900 pages) INK
Upgrade your printing game with the HP 953XL Yellow Original Ink cartridges. These reliable ink cartridges ensure brilliant and long-lasting prints, making them an ideal choice for both documents and photos. First and foremost, experience the vividness of colors that HP 953XL brings to your prints. Whether it’s important documents or cherished photos, the color accuracy and clarity will leave a lasting impression. Transition to efficiency with these high-capacity cartridges. The XL capacity ensures fewer interruptions, allowing you to print more pages before needing a replacement. Say goodbye to constant cartridge changes! Incorporating the latest printing technology, HP 953XL guarantees consistent and smear-resistant prints. Your documents will have a professional appearance, and your photos will capture every detail with precision. Save time and money by opting for these genuine HP ink cartridges. Designed to work seamlessly with your HP printer, you can trust that every print will meet the highest quality standards. Switching to HP 953XL Yellow Original Ink is a step towards environmental responsibility. These cartridges are recyclable through HP’s Planet Partners program, contributing to a more sustainable printing solution. In summary, elevate your printing experience with HP 953XL Yellow Original Ink. Enjoy vibrant, high-quality prints that make a statement. Upgrade your cartridges for better efficiency and superior results. Manufacturer link
F2A69A LJ Enterprise M506dn Speed 43ppm, Res 1200dpi, 540MHz processor, 128MB Memory, Duty Cycle 150,000 pages, USB2.0, Duplex, Tray, Network,
Original product name: Canon Laser – 3 in 1 MF232W PRINT/COPY/SCAN 23 PPM, 1200*1200 DPI print resolution, 256MB Built in memory, 250-sheet tray, 1-sheet multi-purpose tray, 6 seconds First Print Out Time, scan to PC Canon Laser – 3 in 1 MF232W PRINT/COPY/SCAN 23 PPM, 1200*1200 DPI print resolution, 256MB Built in memory, 250-sheet tray, 1-sheet multi-purpose tray, 6 seconds First Print Out Time, scan to PC, 5 line LCD display, Duty cycle 15,000 pages per month, Network, WI-FI(Airprint,Mopria certified) Cartridge 737 (yield = 2400 pages) INK
Epson AcuLaser 4100 Photoconductor This Epson AcuLaser 4100 Photoconductor will provide high quality results. with every print from your AcuLaser C3000 or C4100 printer. sure that every product they make is of a high quality and this photoconductor unit ensures that printing is kept clear and precise. This unit provides sharp text, images and graphics and boasts a page yield of 30,000. Product Specification Manufacturer: Epson Compatible Or Original: Original Type: Printer Imaging Units Life: Up to 30,000 pages Form: Photoconductor Unit Brand:Epson Pack Size:1 Parcel Dimensions:297mm x464mm x332mm Epson Reference:EP51093 EAN/UPC Number:10343603998 The Epson C13S051093 Photoconductor Unit is guaranteed to work with the following printers: Epson AcuLaser C3000 Printer Ink & Toner Cartridges Capacity: 30,000 Capacity Unit: Pages Supplies Type: Other Manufacturer: Epson GTIN: 00010343603998 BarCode: 010343603998 Specifications: Specifications Manufacturer: Epson Compatible Or Original: Original Type: Printer Imaging Units Life: Up to 30,000 pages Form: Photoconductor Unit Brand:Epson Pack Size:1 Parcel Dimensions:297mm x464mm x332mm Epson Reference:EP51093 EAN/UPC Number:10343603998 Manufacturer Link
The HP 970XL High Yield Original Ink Cartridge Black is designed for high-volume office printing with reliable and consistent output. It delivers sharp black text and clear document quality for daily business use. HP develops this high-yield cartridge to support longer printing sessions with fewer replacements. It works smoothly with compatible HP printers to maintain stable ink flow and dependable print quality. The HP 970XL High Yield Original Ink Cartridge Black produces crisp black text for reports, invoices, forms, and office documents. It helps improve workflow efficiency by reducing downtime during busy print tasks. The cartridge installs easily and supports clean, professional printing across large print jobs. It is made for users who need high-capacity printing, reliable output, and consistent performance in office environments. Specifications: High-yield cartridge for large print volumes Sharp black text for clear documents Reliable performance for office printing Stable ink flow for consistent output Easy installation and replacement
The BUEROTIKA Thermal Printer is a reliable solution for all your printing needs. It offers fast and efficient printing, making it perfect for home or office use. This printer uses thermal technology, which means it produces high-quality prints without the need for ink. Setting up the BUEROTIKA Thermal Printer is a breeze. You can connect it easily to your devices via USB or Bluetooth. This flexibility allows you to print from your laptop, tablet, or smartphone. With its user-friendly interface, you can start printing within minutes. One of the standout features of this printer is its compact design. It takes up minimal space, making it ideal for small offices or home desks. Despite its small size, it delivers impressive printing speeds, ensuring you won’t waste time waiting for documents. The BUEROTIKA Thermal Printer also supports various paper sizes. Whether you need labels, receipts, or regular documents, this printer can handle it all. Its high-resolution printing ensures that your text and images are clear and professional. Additionally, this thermal printer is cost-effective. Since it doesn’t require ink or toner, you can save money in the long run. The printer also consumes less power, making it an environmentally friendly choice. In conclusion, the BUEROTIKA Thermal Printer combines efficiency, convenience, and affordability. It is the perfect choice for anyone looking for a reliable printing solution. Upgrade your printing experience today with this exceptional thermal printer. Specifications: Printer Type : Direct thermal Printing Speed Max : 230mm/s Paper Width : 83mm / Print width: 72mm Mechanism : 150km Auto Cutter : 1.5 million cuts Interface : RJ11 + USB
Original product name: HP Printer Inkjet – Officejet MFP / A4 Format V1N03C Desk Jet 2630 3in1, Print, Scan, Copy, speed 20ppm Black/16ppm color, Res 1200x1200dpi Black/ 4800x1200dpi color, Scan Res 1200dpi, Integrated memry, Wireless, Airprint, USB2.0, duty cycle 1000pages HP Printer Inkjet – Officejet MFP / A4 Format V1N03C Desk Jet 2630 3in1, Print, Scan, Copy, speed 20ppm Black/16ppm color, Res 1200x1200dpi Black/ 4800x1200dpi color, Scan Res 1200dpi, Integrated memry, Wireless, Airprint, USB2.0, duty cycle 1000pages
The Epson EcoTank L6290 Ink Tank Printer is a reliable and cost-effective solution for home and office printing needs. It delivers high-quality prints at a low cost, making it ideal for everyday use. This printer features an advanced ink tank system that reduces printing costs significantly. With its high-capacity ink bottles, you can print thousands of pages without frequent refills. The Epson EcoTank L6290 ensures hassle-free refilling with its spill-free and error-free ink bottles. Enjoy fast and efficient printing with speeds of up to 15.5 images per minute. Whether you need to print documents, reports, or photos, this printer handles it all with ease. It also supports automatic duplex printing, helping you save paper and reduce waste. The Epson EcoTank L6290 Ink Tank Printer offers wireless connectivity for added convenience. You can print directly from your smartphone, tablet, or laptop using Wi-Fi or mobile printing apps. The Epson Smart Panel app makes it easy to control the printer from your device. With its 4-in-1 functionality, this printer offers printing, scanning, copying, and faxing in one compact design. The automatic document feeder (ADF) allows you to scan or copy multiple pages effortlessly, improving your productivity. This printer is built to last with Epson’s PrecisionCore technology, delivering sharp and vibrant prints every time. It works well for both black-and-white and color printing, ensuring professional results. Upgrade your printing experience with the Epson EcoTank L6290 Ink Tank Printer and enjoy cost savings, convenience, and high-quality output. Specifications: Function : Print, copy, scan & fax wirelessly with double-sided printing and ADF Printing Speed : 33 ppm Monochrome, 20 ppm Color Duplex Printing : 6,5 A4 ppm Monochrome, 4,5 A4 ppm Color
Original product name: HP Printers Color Laser / A4 Format CF388A Color Laser Jet 452nw-28ppm B/C,HP ImageREt 3600 resolution,256MB Memory,USB,1GB Network,WIFI,1200 MHZ Processor.duty cycle 50000 pages,(supplies 401a ) HP Printers Color Laser / A4 Format CF388A Color Laser Jet 452nw-28ppm B/C,HP ImageREt 3600 resolution,256MB Memory,USB,1GB Network,WIFI,1200 MHZ Processor.duty cycle 50000 pages,(supplies 401a )
The HP Tango X Smart Home Printer brings seamless printing to your home. Its sleek and compact design fits perfectly into any modern living space. Whether you need to print documents, photos, or more, this printer delivers high-quality results. With voice-activated printing, the HP Tango X is compatible with Alexa, Google Assistant, and Microsoft Cortana. Simply use voice commands to print hands-free, making your life easier. Setting up the HP Tango X Smart Home Printer is quick and easy. Use the HP Smart app to connect your printer to your Wi-Fi network. You can start printing in just a few minutes. Enjoy wireless printing from any device with the HP Tango X. Print from your smartphone, tablet, or laptop with ease. The HP Smart app allows you to print, scan, and copy from anywhere. The HP Tango X Printer features Instant Ink, a subscription service that ensures you never run out of ink. Save up to 50% on ink and have it delivered to your door before you need it. Designed for convenience, the HP Tango X includes a removable cover that doubles as an output tray. This stylish cover blends with your home decor while keeping your printed pages neat and organized. With high-quality print resolution, the HP Tango X delivers crisp text and vibrant photos. From homework to family photos, every print is sharp and detailed. In conclusion, the HP Tango X Smart Home Printer offers a blend of style, convenience, and advanced features for the modern home. Upgrade to the HP Tango X today and enjoy effortless printing and seamless connectivity. Specifications: Print speed black : Up to 11 PPM Print speed color : Up to 8 PPM Print resolution : Up to 1200×1200 Rendered DPI
HP LaserJet Pro M501dn Printer (J8H61A) is a monochrome laser printer designed for fast and secure business printing. It focuses on high-speed performance for office environments. HP LaserJet Pro M501dn Printer delivers reliable output for demanding document workflows. In addition, it prints up to 43–45 pages per minute for A4 black documents. It also produces the first page in as fast as about 5.8 seconds. Moreover, it supports up to 600 × 600 dpi print resolution with enhanced quality up to 4800 × 600 dpi. Furthermore, it includes automatic duplex printing for efficient two-sided document output. It also supports USB 2.0 and Gigabit Ethernet for stable wired connectivity in office networks. In addition, it is built for heavy workloads with a monthly duty cycle up to 100,000 pages. Finally, it is designed for enterprise security and managed printing environments with strong performance consistency. HP LaserJet Pro M501dn Printer provides dependable high-volume monochrome printing for professional office use. Specifications: Monochrome laser business printer Up to 45 ppm A4 print speed First page out in about 5.8 seconds Automatic duplex printing support Up to 100,000 pages monthly duty cycle
HP LaserJet MFP M236sdw (9YG09A) is a compact black and white laser multifunction printer designed for small offices and home workgroups. It supports printing, copying, and scanning in one device. HP LaserJet MFP M236sdw Printer focuses on fast, reliable document handling in a compact design. In addition, it delivers print speeds up to 29 pages per minute for black documents. It also supports automatic duplex printing for efficient two-sided output. Moreover, it includes a 40-sheet automatic document feeder for multi-page scanning and copying. Furthermore, it supports Wi-Fi, Ethernet, USB, and Wi-Fi Direct for flexible connectivity. It also enables mobile printing through Apple AirPrint, Mopria, and HP Smart app support. Finally, it is designed for a monthly duty cycle up to 20,000 pages, making it suitable for consistent office workloads. HP LaserJet MFP M236sdw Printer delivers dependable everyday laser performance for business printing needs. Specifications: Print, copy, scan multifunction laser device Up to 29 ppm black print speed Automatic duplex (two-sided) printing support 40-sheet automatic document feeder (ADF) Wi-Fi, Ethernet, USB, Wi-Fi Direct connectivity
The HP Smart Tank 530 Wireless All‑in‑One (4SB24A) is perfect for home and small offices. first, it uses a cartridge‑free ink tank system, making refills simple and low‑cost. this system lets you print large volumes without stopping. in addition, dual‑band Wi‑Fi lets you print directly from computers, phones, or tablets. you can also use a USB cable for direct printing. This all‑in‑one printer prints, scans, and copies. moreover, the 35‑sheet automatic document feeder (ADF) saves time on multi-page tasks. it also supports mobile printing through the HP Smart app, Apple AirPrint, Google Cloud Print, and Mopria. black text prints up to 1200 × 1200 dpi, and color prints reach 4800 × 1200 dpi. The printer handles letter and legal-size papers. also, it supports borderless printing up to 8.5 × 11 in. a 100‑sheet input tray and a 30‑sheet output tray help keep papers organized. finally, manual duplex printing is possible, and the device supports up to 1000 pages per month for reliable performance. Specifications: Cartridge‑free ink tank system for low‑cost high‑volume printing Dual‑band Wi‑Fi and USB for flexible connectivity Print, scan, copy, and ADF for hands‑free tasks High print quality up to 1200 × 1200 dpi black and 4800 × 1200 dpi color Mobile print support with HP Smart app, AirPrint, and Mopria
NCTS USB Barcode Scanner – High-speed wired scanner for both 1D and 2D barcodes with auto-sensing mode.Plug-and-play solution ideal for retail, inventory, and logistics operations. Model: NCTS 1D/2D Barcode Scanner (USB Wired) Color: Black Scan Type: Image-based CMOS scanner Supported Barcode Types: 1D: Code 128, Code 39, EAN-13, UPC-A, Codabar, ISBN, etc. 2D: QR Code, PDF417, Data Matrix, Aztec, etc. Supported Barcode Types: 1D: Code 128, Code 39, EAN-13, UPC-A, Codabar, ISBN, etc. 2D: QR Code, PDF417, Data Matrix, Aztec, etc. Interface: USB 2.0 (Plug-and-play, no driver required) Scan Speed: Up to 300 scans/second Resolution: ≥ 4mil (0.1mm) Scan Modes: Manual trigger Auto-sensing Continuous mode Scan Modes: Manual trigger Auto-sensing Continuous mode Light Source: White LED illumination + red aiming line Indicators: LED and buzzer for scan confirmation Power Supply: DC 5V (via USB port) Cable Length: ~1.5 meters Build: ABS plastic, ergonomic handheld design Compatibility: Windows, macOS, Linux, Android Applications: POS, inventory, logistics, healthcare, warehouse use
A versatile wireless 2D barcode scanner with desk stand—Beurotika BS104WS supports auto-scan, continuous, and manual modes, with up to 200 scans per second and a 2000mAh rechargeable battery for all-day use. The Beurotika BS104WS is a high-performance wireless 2.4GHz 2D barcode scanner designed for retail, warehouse, logistics, and office environments. It comes with a convenient desktop stand for hands-free operation and features a 32-bit high-speed processor for fast, accurate decoding of 1D and 2D barcodes—including QR Code, Data Matrix, PDF417, and more Three scanning modes: Auto-scan, continuous scan, and manual trigger—ideal for different workflow needs Scanning speed: Up to 200 scans per second for rapid data capture Wireless range: Reliable 2.4GHz connection (via USB dongle) for cord-free mobility Built-in battery: 3.7V 2000mAh lithium-ion battery offering up to 16 hours of continuous use Ergonomic handheld design with desk stand for flexible countertop or portable use Plug-and-play setup via USB receiver—no drivers required for most systems
Barcode Reader Wireless 2D S20W Wireless 2D Barcode Scanner | S20-W Name: Wireless 2D Barcode Scanner Model: S20-W Interface: USB Color: Black