Quick overview from the supplier:
MFD Epson L6550
MFD A4: Print, Scan, Copy, Fax
Printing Method: PrecisionCore™ Print Head
Nozzle Configuration: 800 Nozzles Black, 256 Nozzles per Color
Minimum Droplet Size: 3,8 pl
Ink Technology: DURABrite™ ET
Printing Resolution: 4.800 x 2.400 DPI
Category: Home Office, Office Desktop
Printing Speed ISO/IEC 24734: 25 pages/min Monochrome, 12 pages/min Colour
Printing Speed: 32 pages/min Monochrome (plain paper 75 g/m²), 22 pages/min Colour (plain paper 75 g/m²)
Duplex Printing Speed ISO/IEC 24734: 16 A4 Pages/min Monochrome, 9 A4 Pages/min Colour
First Page Out: Monochrome 5,5 Seconds, Colour 9,5 Seconds
Colours: Black [Pigment], Cyan [Pigment], Yellow [Pigment], Magenta [Pigment]
Double-sided scanning: Yes
Single-sided scan speed (A4 black): 26 ipm with ADF scan 5 sec. with flatbed scan
Doubled-sided scan speed (A4 black): 11 ipm with ADF scan
Single-sided scan speed (A4 colour): 9 ipm with ADF scan 10 sec. with flatbed scan
Doubled-sided scan speed (A4 colour): 6 ipm with ADF scan
Optical Resolution: 1.200 DPI x 2.400 DPI (Horizontal x Vertical)
Output formats: BMP, JPEG, TIFF, multi-TIFF, PDF, PNG
Scanner type: Contact image sensor (CIS)
Fax Transmission Speed: Up to 33.6kbps / Approx. 3 sec/page
Fax speed dials (max): 200 names and numbers
Page memory: Up to 550 pages/ 6MB (ITU-T No. 1 chart)
Number of paper trays: 3
Paper Formats: A4 (21.0x29.7 cm), A5 (14.8x21.0 cm), A6 (10.5x14.8 cm), B6, B5, No. 10 (Envelope), DL (Envelope), C6 (Envelope), C4 (Envelope), Letter, Legal
Duplex: Yes (A4, plain paper)
Automatic Document Feed: 50 pages
Output Tray Capacity: 125 Sheets
Paper Tray Capacity: 550 Sheets Standard
Rear paper path (special media): Yes
Compatible Paper Weight: 64 - 255g/m²
Media Handling: ADF 2-sided copy (A4, plain paper), ADF 2-sided fax (A4, plain paper), ADF 2-sided scan (A4, plain paper), Automatic duplex (A4, plain paper)
Panel Type: Color, Touchscreen, Diagonal:10,9 cm
Features: Touchscreen
Interfaces: USB, Ethernet, Wireless LAN IEEE 802.11a/b/g/n/ac, Wi-Fi Direct
Consumables:
C13T06C14A, Black, 127 ml
C13T06C24A, Cyan. 70 ml
C13T06C34A, Magenta, 70 ml
C13T06C44A, Yellow, 70 ml
C12C934591, Maintenance Box