ASTA Compatible Toners CF540-543 203A

Connectivity: Hi-Speed USB 2.0 (wired)

 HP Smart Tank 580 / 582 / 585 series are refillable ink-tank wireless all-in-one printers ideal for home and small office printing with low running costs and high volume capability. They share most core features; specific performance differences are minor within the same family. 

Short DescriptionDell SE2425HM 23.8" FHD IPS monitor: Smooth 100Hz refresh, anti-glare screen, ComfortView Plus eye care, TÜV Rheinland 3-star certified—ideal for daily work, study, and home use in Tanzania.Key Specs SummaryScreen Size: 23.8 inches (60.45 cm diagonal, viewable)Panel Type: IPS (In-Plane Switching) with LED edgelightResolution: Full HD 1920 x 1080Refresh Rate: 100 Hz (via HDMI)Response Time: 5 ms GtG (fast mode) / 8 ms (normal mode)Brightness: 250 cd/m² (typical)Contrast Ratio: 1000:1 (typical)Viewing Angles: 178° horizontal / 178° verticalColor Support: 16.7 million colors, 72% NTSC (CIE 1931 minimum)Features: Anti-glare (3H hard coating), Flicker-free, ComfortView Plus low blue light, TÜV Rheinland 3-star Eye Comfort certifiedPorts: 1x HDMI 1.4 (HDCP 1.4, up to 1920x1080 @ 100 Hz), 1x VGAAdjustability: Tilt (-5° to +21°)VESA Mount: 100 x 100 mm compatibleOther: Energy-efficient, mercury-free panel, arsenic-free glass

UNOMAT UPS 850VA (UM Series) Line Interactive: 850VA capacity (approx. 480–510W real power) with simulated/modified sinewave output, Boost & Buck AVR stabilization, microprocessor control, cold-start function—reliable backup for PCs, home/office devices, routers, and sensitive electronics in Tanzania.Capacity: 850VA (approx. 480–510W depending on load/PF)Type: Line Interactive UPS (UM Series)Input Voltage Range: Wide range (typically 155–280V or 170–280V with Boost & Buck AVR for stabilization)Output Voltage: 230V ±10%Output Waveform: Simulated sinewave (or modified sine wave as listed in some retailers)Frequency: 50/60Hz auto-sensingTransfer Time: Short (typically <10 ms)

Functions: Print, Scan, Copy, Fax (All-in-One)Print Technology: PrecisionCore Heat-Free inkjetMax Print Resolution: 4800 × 1200 dpiPaper Size Support: A6 up to A3+ (329 × 483 mm)Automatic Duplex: Yes (A4 automatic double-sided printing)ADF: 35-sheet automatic document feederConnectivity: USB, Ethernet, Wi-Fi, Wi-Fi DirectMobile Printing: Epson iPrint, Apple AirPrint, MopriaPaper Capacity: 250-sheet front tray + rear feed for A3+ media 

Rapid Printing: Achieves ISO speeds of up to 25 ipm in black and 12 ipm in color. It features a fast first-page-out time of just 5.5 seconds for monochrome prints.Automatic Document Feeder (ADF): A 50-sheet ADF supports automatic double-sided scanning, copying, and faxing, allowing for hands-free processing of multi-page documents.Large Paper Capacity: Features two 250-sheet front paper trays and a 50-sheet rear feed for a total capacity of 550 sheets, significantly reducing the need for frequent refills.Intuitive Control: A large 10.9 cm (4.3-inch) color touchscreen simplifies navigation and standalone operations.