Description
Display diagonal: 60.5 cm (23.8″)
-Display brightness (typical): 300 cd/m²
-Display resolution: 2560 x 1440 pixels
-Response time: 6 ms
-3D: N
-HD type: Quad HD
-Display technology: LED
-Panel type: IPS
-Supported graphics resolutions: 640 x 480 (VGA), 800 x 600 (SVGA), 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1366 768, 1440 x 900, 1600 x 900, 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA), 2560 x 1440
-Contrast ratio (typical): 1000:1
-Viewing angle, horizontal: 178°
-Viewing angle, vertical: 178°
-Display number of colours: 1.073 billion colours
-Native aspect ratio: 16:9
-Screen shape: Flat
-Display surface: Matt
-Contrast ratio (dynamic): 3000000:1
-Pixel pitch: 0.2058 x 0.2058 mm
-Pixel density: 123 ppi
-Horizontal scan range: 30 – 99 kHz
-Vertical scan range: 50 – 76 Hz
-HDCP: Y
-Backlight type: W-LED
-Colour gamut: 99%
-Display brightness (min): 240 cd/m²
Ports & interfaces
-Built-in USB hub: N
-DVI port: N
-HDMI ports quantity: 1
-DisplayPorts quantity: 1
-Audio output: Y
Weight & dimensions
-Width: 539.9 mm
-Depth: 35.9 mm
-Height: 422.5 mm
-Weight: 3.09 kg
-Width (with stand): 539.9 mm
-Depth (with stand): 219.6 mm
-Height (with stand): 422.5 mm
-Weight (with stand): 3.55 kg
-Bezel width (side): 2 mm
-Bezel width (top): 2 mm
-Bezel width (bottom): 2.72 cm
Power
-Power consumption (standby): 30 W
-Power consumption (
Delivering sharp, high-quality A3 output with the speed, versatility and footprint of an A4 device, the B840 offers low running costs and low total cost of ownership, bringing versatile A3 mono printing to small and medium workgroups. 
Superfast Wi-Fi – Up to 1.2Gbps 
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