The Canon LBP 6030 Laser Printer delivers reliable black-and-white printing with a compact and efficient design. It is ideal for home offices, students, and small workgroups who need simple laser print performance. First, this printer uses Monochrome Laser Beam Printing for crisp text and clear documents. As a result, your reports and letters look clean and professional. In addition, the Canon LBP 6030 Laser Printer prints up to 18 pages per minute on A4 paper. Therefore, everyday printing stays fast and efficient. This model delivers a print resolution of 600 × 600 dpi, so text and simple graphics appear sharp. Also, image refinement helps improve output quality. The Canon LBP 6030 Laser Printer includes a 150-sheet input tray and a 100-sheet output tray. Thus, you can load plenty of paper for routine tasks. Moreover, it works with USB 2.0 High-Speed connectivity for easy wired setup. So, connecting to your PC or laptop takes only seconds. Because it features Canon’s On-Demand Fixing Technology, the printer warms up quickly and uses less energy. This helps reduce power usage during daily printing. The Canon LBP 6030 Laser Printer supports many paper sizes including A4, A5, B5, Legal, Letter, and envelopes. Therefore, it handles diverse printing needs. It also integrates a simple one-toner cartridge design for easy maintenance and replacement. Thus, keeping the printer running stays straightforward. Compared to basic inkjet models, this laser printer delivers faster speeds and lower cost per page for monochrome prints. Installation is plug-and-play with supported drivers for common operating systems. In conclusion, the Canon LBP 6030 Laser Printer is a practical choice for everyday black-and-white printing. If you want a compact, dependable laser printer with solid speed and quality, this model is worth choosing. Specifications: Fast & Efficient: Quick warm-up and first print times due to On-Demand Fixing technology. High-Quality Output: Delivers sharp, professional-looking black and white text. Connectivity: USB 2.0 (standard), with LBP6030w models offering wireless (Wi-Fi/WPS) setup. Energy Saving: Low power consumption with Sleep Mode and Auto Shutdown, plus low Energy Star TEC ratings
Epson Scanner Ph V600 USB2.0 w/Transparency Features: A4 Flatbed Color Scanner, Lid type moving TPU with white LED lamp and Epson ReadyScan LED Technology, Transparencies scanning up to 6 x 22 cm, Resolution : 6400 x 9600 dpi, 48-bit color depth input/output, Digital ICE for scratch removal on film and prints, Epson Scan with colour drop out, USB 2.0 Hi-Speed . Bundled Softwares : ABBYY FineReader Sprint, Adobe PhotoShop Elements . Compatible with Win XP/XP-x64/Vista/Win 7 & Mac OS 10.4.11 or later .
Epson WorkForce DS-970 Scanner Production-level scanning with easy-to-use advancedprocessing capabilities for effortless and efficient document management. PRODUCT SPECIFICATIONS TECHNOLOGY Scanner Type Sheetfed Scanner Optical Resolution (ADF) 600 DPI x 600 DPI (Horizontal x Vertical) Optical Resolution 600 DPI x 600 DPI (Horizontal x Vertical) ADF Minimum Document Size 50.8 mm x 50.8 mm (Horizontal x Vertical) ADF Maximum Document Size215.9 mm x 6,096 mm (Horizontal x Vertical) Paper Formats A4 (21.0×29.7 cm), A5 (14.8×21.0 cm), A6 (10.5×14.8 cm), B4 (25.7×36.4 cm), B5 (17.6×25.7 cm), B6 (12.5×17.6 cm), Letter, Legal, Postcard, Business cards, Plastic cards, A3 with stitching function Scanning color depth Input: 30 Bits Color / 10 Bits Monochrome , Output: 24 Bits Color / 8 Bits Monochrome Ultrasonic Sensor Yes Category High Capacity, General Office SCANNER Optical Sensor CIS (Contact Image Sensor) Light Source ReadyScan LED technology Output Resolution 1200 DPI SCAN SPEED Scanning Speed Monochrome: 85 pages/min – Color: 85 pages/min measured with Size: A4 , Resolution: 200 / 300 dpi, Monochrome: 170 image/min – Color: 170 image/min measured with Size: A4 , Resolution: 200 / 300 dpi PAPER / MEDIA HANDLING Paper Setting Capacity 100 Sheets Paper weight Auto loading: 27 – 413 g/m² Automatic Document Feeder Type Single pass dual scanning Reliability Daily Duty Cycle 9,000 pages Automatic Document Feed 100 pages Duplex Scan Yes SCANNING FEATURES Features RGB colour dropout, Advanced Colour Dropout / Enhance, Skip blank page, A3 stiching, Punch holes removal, Advanced editing, Pre-defined scanning settings, Automatic de-skew, Automatic multi-document recognition, Dual Image Output (Windows only), Auto-rotation, Text enhancement, Edge fill, Barcode Recognition, Manual / Automatic Job Separation, Scan to Cloud Storage Output formats BMP, JPEG, TIFF, multi-TIFF, PDF, searchable PDF, PDF/A, PNG File compression features TIFF Compression (JPEG(7) , CITT G4, LZW), PDF Compression, JPEG compression Scanning Volume 9,000 Pages per day CONNECTIVITY Epson WorkForce DS-970 Scanner Interfaces USB 3.0 Network Interface Panel / Unit Optional Panel type 5-line LCD with Push Scan features Protocol support TCP/IP, DHCP, DNS, SNMP, SLP IPv6 support Yes Push scan features Yes (with Document Capture Pro solutions) Panel Lock with password Yes (with Document Capture Pro solutions) GENERAL Supply Voltage AC 100 V – 240 V, 50 Hz – 60 Hz Energy Use 20 Watt (Operation), 8.5 Watt (Ready), 1.4 Watt (sleep mode), 0.1 Watt (Power off) Product dimensions 296 x 169 x 167 mm (Width x Depth x Height) Product weight 3.6 kg Drivers TWAIN, ISIS (Web download), SANE (Linux), WIA (Windows) Included Software Document Capture Pro 2.0, Epson Device Admin, Epson Scan 2 Compatible Operating Systems Mac OS 10.6+, Windows 10, Windows 7, Windows 8, Windows 8.1, Windows Server 2003, Windows Server 2008 (32/64bit), Windows Server 2012 R2, Windows Vista, Windows XP SP3 Supported Humidity Operation 15% – 80%, Storage 15% – 85% Supported Temperature Operation 5° C – 35° C, Storage 25° C – 60° C Options Roller Assembly Kit LCD AND MEMORY CARDS Panel Type: Color, Diagonal: 3.7 cm Specifications: Features : High-speed scanning 100-page ADF and 85ppm (170ipm) scanning speed Low intervention Active Separation Roller system toprevent double feeding Built-in protection Ultrasonic and paper protection sensors to detect processing errors Optional flatbed scanner Choose from the conversion kit, or link to DS-5500 (A4) or DS-50000 (A3) Optional Network Interface Enable device sharing in a department. Create pre-defined job profiles 1 Year Warranty manufacturer link
Epson WorkForce DS-7500 Epson WorkForce DS-7500, Scanners, Letter, 1,200 DPI (Horizontal x Vertical), Standard (built-in), Yes, One keypress, RGB colour dropout, Skip blank page, Punch holes removal, Advanced editing, Pre-defined scanning settings, Automatic area segmentation, Automatic de-skew, Automatic B/W colour detection, RGB colour enhance, Dual Image Output (Windows only), Auto-rotation, Text enhancement, Edge enhancement, Advanced cropping feature for Auto size, Unsharp Mask (USM), Descreening, USB 2.0 Type B, Ethernet interface (100 Base-TX / 10 Base-T) (optional), ABBYY FineReader® Sprint 8.0 (MacOS), ABBYY FineReader® Sprint 9.0 (Windows), Epson Document Capture Pro, Epson Scan, Scan to E-mail, Scan to FTP, Scan to Microsoft SharePoint®, Scan to Print, Scan to Web folders, Scan to Network folders, Mac OS 10.4+, Mac OS 10.5+, Mac OS 10.6+, Presentation Server 4.5, Terminal Service, Windows 7, Windows 7 x64, Windows Vista, Windows Vista x64, Windows XP, Windows XP x64, XenApp 5.0, XenApp 6.0, AC Adaptor, Main unit, Setup guide, Software (CD), USB cable, User manual (CD).
L2747A HP Scanjet Pro 2500f1 Archiving scanner, Flatbed, Res 1200x1200dpi Optical, 20ppm, Duplex, 50 Sheets ADF, 64MB Memory, USB2.0, Daily duty cycle 1500pages
Brother ADS-4300N High-speed Network Scanner is a professional desktop scanner designed for business environments. It delivers fast and reliable document digitization. Additionally, it supports network sharing to improve team productivity. Moreover, it scans up to 40 pages per minute and 80 images per minute in duplex mode. It uses a single-pass duplex system for efficient two-sided scanning. Therefore, it helps reduce scanning time for large document batches. It includes an 80-sheet automatic document feeder for continuous scanning. It supports USB 3.0, USB host, and Gigabit Ethernet connectivity. Additionally, it allows scanning directly to network, USB storage, or computer systems. Furthermore, it features advanced image processing and an ultrasonic multifeed sensor. It also includes configurable shortcut buttons for quick task execution. Therefore, it improves workflow efficiency in office environments. In conclusion, Brother ADS-4300N High-speed Network Scanner delivers fast duplex performance, flexible connectivity, and efficient document handling for business scanning needs. Manufacturer Link Specifications: Scans up to 40 ppm and 80 ipm duplex speed 80-sheet automatic document feeder for batch scanning Gigabit Ethernet and USB 3.0 connectivity options 600 x 600 dpi optical scan resolution Ultrasonic multifeed sensor for jam detection and accuracy
“Epson L4150 A4 Size 3 in 1 with WIFI & WIFI Direct” A4 3 in 1 Color EcoTank printer: Print, Scan, Copy, WIFI & WIFI Direct 5,760 x 1,440 dpi, 15 Pages/min Color (plain paper), 33 Pages/min Monochrome (plain paper), 100 Sheets paper capacity, Scanning Res 1,200 dpi x 2,400 dpi (Horizontal x Vertical), Wi-Fi, & Wi-Fi Direct, USB, Compatible OS : Mac OS and Windows, included Ink Bottles: 1 full set of ink (Bk,C,Y,M) plus 1 extra black ink bottles (14,000 Pages Black, 5,200 Pages each color) Compatible Ink Cartridges T03V14A : Black 7,500 pages T03V24A : Cyan 6,000 pages T03V34A : Magenta 6,000 pages T03V44A : Yellow 6,000 pages
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
K0Q15A LJ Enterprise M607dn Speed 52ppm, Res 1200x1200dpi, 1.2GHz proceesor, 512MB Memory, Duplex, Network, E-print, Airprint, USB2.0, Duty Cycle 250,000 pages
The HP Color LaserJet Enterprise M553dn B5L25A is a fast and reliable A4 colour laser printer. First, it prints sharp text and vibrant colour up to 1200 × 1200 dpi. This helps teams produce professional documents with ease. The printer runs at up to 38 ppm, keeping offices productive. In addition, it supports automatic duplex printing and has dual paper trays. Therefore, you can handle multi-page jobs without refilling paper frequently. USB, Ethernet, and mobile printing with HP ePrint, Apple AirPrint, or Mopria make connections simple. Moreover, the printer uses HP JetIntelligence toner for efficient page yields. The 4-line LCD display makes controls intuitive. For example, teams can manage complex print tasks and use built-in security features for safe office operation. Specifications: A4 colour laser printing up to 1200 × 1200 dpi for sharp documents and graphics Print speed up to 38 ppm on A4 with fast first page times Automatic duplex printing and dual paper trays for efficient workflow USB, Ethernet, and mobile print support with HP ePrint and AirPrint HP JetIntelligence toner for reliable page yields and business security tools
Original product name: Canon Laser – 3 in 1 MF732CDW Print/Copy/Scan, 27 PPM mono/color,12.7 cm LCD Colour Touch Screen, 1200 X 1200 print Quality Automatic duplex printing, duplex ADF 50 PAGE, colour touch screen, Scan to email, network folder, Scan to network, scan & print to/from USB memory Key Canon Laser – 3 in 1 MF732CDW Print/Copy/Scan, 27 PPM mono/color,12.7 cm LCD Colour Touch Screen, 1200 X 1200 print Quality Automatic duplex printing, duplex ADF 50 PAGE, colour touch screen, Scan to email, network folder, Scan to network, scan & print to/from USB memory Key, Duty cycle 50,000 pages per month,1GB memory, Network, Wi-Fi, Apple AirPrint™and Google Cloud Print. Cartridge 046Bk,C/M/Y, 046H Bk, C/M/Y. INK
Original product name: Canon Laser – 4 in 1 MF734Cdw Print/Copy/Scan/ FAX, + Hand Set, 27 PPM mono/color,12.7 cm LCD Colour Touch Screen, 1200 X 1200 print Quality Automatic duplex printing, duplex ADF 50 PAGE, colour touch screen, Scan to email, network folder, Scan to network, scan & print to/from USB memory Key Canon Laser – 4 in 1 MF734Cdw Print/Copy/Scan/ FAX, + Hand Set, 27 PPM mono/color,12.7 cm LCD Colour Touch Screen, 1200 X 1200 print Quality Automatic duplex printing, duplex ADF 50 PAGE, colour touch screen, Scan to email, network folder, Scan to network, scan & print to/from USB memory Key, Duty cycle 50,000 pages per month,1GB memory, Network, Wi-Fi, Apple AirPrint™, NFC and Google Cloud Print. Cartridge 046Bk,C/M/Y, 046H Bk, C/M/Y. INK
Label Printer Epson ColorWorks C7500 C31CD84012
The Xerox B230 Compact Printer offers fast and reliable printing for homes and small offices. It delivers clear documents with strong detail. The printer works quietly, and it helps you stay focused during work. It supports your daily tasks with ease. Moreover, the Xerox B230 Compact Printer has a compact design that fits small spaces well. You can place it on desks or shelves without problems. Its lightweight build makes it easy to move when needed. This design is ideal for users who want more space. In addition, the printer offers quick setup and simple controls. You can connect it to your devices in a few steps. It supports wireless printing, and this makes everyday use easier. You can print from phones, laptops, and tablets without cables. Furthermore, the Xerox B230 Compact Printer includes automatic double-sided printing. This feature helps you save paper and reduce waste. It also prints pages fast, and this improves your work speed. The output stays sharp on every page. Also, the printer uses efficient toner that lasts a long time. This helps reduce running costs for home or office use. The toner replacement process is simple and quick. This makes maintenance easier for all users. Overall, the Xerox B230 Compact Printer gives you speed, quality, and convenience in one compact device. It fits small spaces, connects easily, and prints clearly. It is perfect for students, professionals, and families who need reliable printing every day. This printer offers a smooth experience with strong performance. Specifications: Function : Print Print Speed : Up to 36ppm Connectivity : 10/100BaseTX Ethernet, Hi Speed USB 2.0 (Type B), Wi-Fi
Original product name: HP printer MFP Mono Laser / A4 Format F6W13A 4in1, print, scan, copy, fax, Speed 28ppm, Res 1200x1200dpi, 600MHz processor, 256MB Memory, ADF, Duplex, Network, Wireless, E-Print, Airprint, USB2.0, Duty cycle HP printer MFP Mono Laser / A4 Format F6W13A 4in1, print, scan, copy, fax, Speed 28ppm, Res 1200x1200dpi, 600MHz processor, 256MB Memory, ADF, Duplex, Network, Wireless, E-Print, Airprint, USB2.0, Duty cycle
HP Printers Color Laser / A4 Format T6B60A Color Laser Jet 254dw , Speed 21ppm Black/Color, Res 600x600dpi, 128MB Memory, 800MHz processor, Network, Duplex, Wireless, E-Print, Airprint, 6.85 cm color touchscreen, USB2.0, Duty Cycle 40,000 pages
Orbit™ is the all-time, best-selling hands-free omnidirectional scanner for a reason. Several reasons, actually. Let’s start here: The Orbit 7120 and 7180 scanners are innovative, elegant and affordable with an award-winning design that’s just the right fit for convenience retail applications where counter space is at a premium.
Epson WorkForce DS-60000 Epson WorkForce DS-60000, Scanners, A3, Input: 16 Bits Color / 8 Bits Monochrome, Output: 48 Bits Color / 24 Bits Monochrome, 200 Pages, Yes, One keypress, RGB colour dropout, Skip blank page, Punch holes removal, Advanced editing, Pre-defined scanning settings, Automatic area segmentation, Automatic de-skew, Automatic B/W colour original detection, RGB colour enhance, Dual Image Output (Windows only), Auto-rotation, Text enhancement, Edge enhancement, Advanced cropping feature for Auto size, Unsharp Mask (USM), Descreening, Book spine correction, Automatic Folder Creation, Barcode Recognition, Zonal OCR A & B support, USB 2.0 Type B, Gigabit ethernet interface (optional), ABBYY FineReader® Sprint 8.0 (MacOS), ABBYY FineReader® Sprint 9.0 (Windows), Epson Document Capture Pro, Epson Document Capture Pro Server (on free download), Epson Scan, EpsonNet Config, Epson Event Manager (Mac Only), Scan to E-mail, Scan to FTP, Scan to Microsoft SharePoint®, Scan to Print, Scan to Web folders, Scan to Network folders, Mac OS 10.4+, Presentation Server 4.5, Terminal Service, Windows 7, Windows 7 x64, Windows Server 2003 (32/64bit), Windows Server 2008 (32/64bit), Windows Server 2008 R2, Windows Vista, Windows Vista x64, Windows XP, Windows XP x64, Windows server 2003 R2, XenApp 5.0, XenApp 6.0, Main unit, Power cable, Setup guide, Software (CD), USB cable.
[1] Scan speed measured at 300 dpi (black-and-white, greyscale, and colour). Actual processing speeds may vary depending on scan resolution, network conditions, computer performance, and application software. [2] Scanning from a mobile device requires the HP Wireless Adapter 100 (L2761A), which must be purchased separately, and the HP JetAdvantage Capture App. The app is available for mobile devices running Android™ version 4.0 and higher, and can be downloaded from the Google Play™ store. For more information, see http://www.hp.com/go/documentmanagement. Wireless performance is dependent on physical environment and distance from access point and may be limited during active VPN connections. Wi-Fi Direct® scanning requires the mobile device to be connected directly to the Wi-Fi® network of the scanner. Wi-Fi and Wi-Fi Direct are registered trademarks of Wi-Fi Alliance®. [3] HP EveryPage is referred to as HP Precision Feed on HP ScanJet devices introduced prior to May 2013. [1] With input and output trays folded and covers closed. [2] Power requirements are based on the country/region where the scanner is sold. Do not convert operating voltages. This will damage the scanner and void the product warranty. [3] Actual speeds may vary depending on scan resolution, connectivity type, computer performance and application software.
CQ893A Design Jet T520 -36” ,ethernet , usb a& wifi , memory 1 gb , 4 separate inks , res 2400 + long life print head , full-color, 4.3-inch touchscreen, Sheet feed; roll feed; input tray; automatic cutter, Web-connected printerUse your Apple® or Android™ smartphone or tablet to print from virtually anywhere Access and print projects when you’re away from your work place, using HP Designjet ePrint & Share , Automatically save copies of your work to the cloud when you print using HP Designjet ePrint & Share
HP DeskJet Plus Ink 6075 For everyone in the family. For every device. Print, scan, and copy everyday documents, schoolwork, photos, and more. Set up and connect on any device with HP Smart app,and get self-healing Wi-Fi. Dynamic security enabled printer. This printer is intended to work only with cartridges that have new or reused HP electronic circuitry, and it uses dynamic security measures to block cartridges using modified or non-HP circuitry. Periodic firmware updates will maintain the effectiveness of these measures and block cartridges that previously worked. Reused HP electronic circuitry enables the use of reused, remanufactured, and refilled cartridges. Specifications: HP DeskJet Plus Ink 6075 1 year warranty
Epson WorkForce DS-60000N Epson WorkForce DS-60000N, Scanners, A3, Input: 16 Bits Color / 8 Bits Monochrome, Output: 48 Bits Color / 24 Bits Monochrome, 200 Pages, Yes, One keypress, RGB colour dropout, Skip blank page, Punch holes removal, Advanced editing, Pre-defined scanning settings, Automatic area segmentation, Automatic de-skew, Automatic B/W colour original detection, RGB colour enhance, Dual Image Output (Windows only), Auto-rotation, Text enhancement, Edge enhancement, Advanced cropping feature for Auto size, Unsharp Mask (USM), Descreening, Book spine correction, Automatic Folder Creation, Barcode Recognition, Zonal OCR A & B support, Gigabit ethernet interface, ABBYY FineReader® Sprint 8.0 (MacOS), ABBYY FineReader® Sprint 9.0 (Windows), Epson Document Capture Pro, Epson Document Capture Pro Server (on free download), Epson Scan, EpsonNet Config, Epson Event Manager (Mac Only), Scan to E-mail, Scan to FTP, Scan to Microsoft SharePoint®, Scan to Print, Scan to Web folders, Scan to Network folders, Mac OS 10.4+, Presentation Server 4.5, Terminal Service, Windows 7, Windows 7 x64, Windows Server 2003 (32/64bit), Windows Server 2008 (32/64bit), Windows Server 2008 R2, Windows Vista, Windows Vista x64, Windows XP, Windows XP x64, Windows server 2003 R2, XenApp 5.0, XenApp 6.0, Main unit, Epson Network Interface Panel, Power cable, Setup guide, Software (CD).
Label Printer Epson ColorWorks C3500 (012CD) (incl. NiceLabel CD) C31CD54012CD
Epson WorkForce DS-5500N Epson WorkForce DS-5500N, Scanners, Letter, 1,200 DPI (Horizontal x Vertical), One keypress, RGB colour dropout, Punch holes removal, Advanced editing, Pre-defined scanning settings, Automatic area segmentation, Automatic de-skew, Automatic B/W colour detection, RGB colour enhance, Dual Image Output (Windows only), Auto-rotation, Text enhancement, Edge enhancement, Advanced cropping feature for Auto size, Unsharp Mask (USM), Descreening, USB 2.0 Type B, Ethernet interface (100 Base-TX / 10 Base-T), ABBYY FineReader® Sprint 8.0 (MacOS), ABBYY FineReader® Sprint 9.0 (Windows), Epson Document Capture Pro, Epson Scan, Scan to E-mail, Scan to FTP, Scan to Microsoft SharePoint®, Scan to Print, Scan to Web folders, Scan to Network folders, Mac OS 10.4+, Mac OS 10.5+, Mac OS 10.6+, Presentation Server 4.5, Terminal Service, Windows 7, Windows 7 x64, Windows Server 2003 (32/64bit), Windows Server 2008 (32/64bit), Windows Vista, Windows Vista x64, Windows XP, Windows XP x64, XenApp 5.0, XenApp 6.0, Epson Network Interface Panel, Main unit, Power cable, Setup guide, Software (CD), USB cable, User manual (CD).
“Epson SureColor SC-P800 A2+ size ” “ProPhoto and Graphic Arts/Plain, A2+, 9 Ink Cartridges, Manual, 5,760 x 1,440 dpi, 6 Pages/min Color (plain paper), 6 Pages/min Monochrome (plain paper), 44 Seconds per 10 x 15 cm photo, Standard (built-in), LCD screen: Type: Color, Touch-panel, Diagonal: 6.8 cm, Ethernet, USB, WiFi, Epson Easy Photo Print, Epson Print CD, EpsonNet Config, EpsonNet Print, EpsonNet setup. Mac OS X 10.6.8 or later, Microsoft Windows Vista (32/64 bit), Microsoft Windows XP (Home Edition / Prof / Prof X64 / Vista), Windows 7, Windows 7 x64, Windows 8 (32/64 bit), Windows 8.1, Windows 8.1 x64 Edition, Driver and utilities (CD), Individual Ink Cartridges, Main unit, Power cable, Quick Setup Guide, Warranty Documents, Wi-Fi/network setup guide ” Compatible Ink Cartridges T8501 : Photo Black T8502 : Cyan T8503 : Vivid Magenta T8504 : Yellow T8505 : Light Cyan T8506 : Vivid light magenta T8507 : Light Black T8508 : Matte Black T8509 : Light Light Black