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Epson EcoTank ET-3950 vs Epson EcoTank ET-4850

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EpsonEcoTank ET-3950EpsonEcoTank ET-4850
Overview
ReleasedSeptember 2025October 2021
Printing
TypeInk tankInk tank
ColourYesYes
Speed, black18 pages a minute15.5 pages a minute
Speed, colour9 pages a minute8.5 pages a minute
Resolution4800 × 1200 dpi4800 × 1200 dpi
Prints both sidesYesYes
Printing detailPrecisionCore print head, 400 black nozzles and 128 per colour; 3.3 pl minimum droplet; automatic 2-sided printing on A4 plain paper at 7 pages a minute black and 5 colour (ISO/IEC 24734); borderless printing; up to 35 pages a minute black and 23 colour in draft on 75 g/m² paperPrecisionCore print head, 400 black nozzles and 128 per colour; automatic 2-sided printing on A4 plain paper at 6.5 pages a minute black and 4.5 colour (ISO/IEC 24734); borderless printing; up to 33 pages a minute black and 20 colour in draft on 75 g/m² paper
First page out8.5 seconds black, 13.5 seconds colour (ISO/IEC 17629)9 seconds black, 15 seconds colour
Ink or tonerPigment black and dye cyan, magenta and yellow in refillable tanks; 127 ml black and 70 ml colour bottlesPigment black and dye cyan, magenta and yellow in refillable tanks; 102 EcoTank ink bottles, 127 ml black and 70 ml colour
Page yieldInk in the box (a full set plus an extra black) prints 15,100 pages black and 5,500 colourInk in the box prints 14,000 pages black and 5,200 colour; a set of 102 bottles prints 7,500 pages black and 6,000 colour
Duty cycleBuilt for up to 100,000 pages over its life; warranty 12 months or 100,000 pagesWarranty 12 months or 50,000 pages
Scanning and copying
DoesPrint, Scan and CopyPrint, Scan, Copy and Fax
Document feederYesYes
ScannerContact image sensor (CIS) with flatbed and 30-page document feeder; 2-sided scanning from the feeder; 1,200 × 2,400 dpi optical; feeder 5 ipm 1-sided and 3.5 ipm 2-sided, black or colour; flatbed A4 in 9 seconds black and 21 seconds colour; saves BMP, JPEG, PICT, TIFF, multi-TIFF, PDF and PNGContact image sensor (CIS) with flatbed and 30-page document feeder; 1,200 × 2,400 dpi optical; feeder 5 ipm black or colour; flatbed A4 in 12 seconds black and 27 seconds colour; saves BMP, JPEG, PICT, TIFF, multi-TIFF, PDF and PNG
Fax–Fax at up to 33.6 kbps (about 3 seconds a page); 60 speed dials; 100-page memory; PC fax, broadcast, polling reception
Copying2-sided copying from the document feeder (A4 plain paper)–
Paper
Largest paperA4A4
Paper tray250 sheets250 sheets
Paper sizesA4, A5, A6, B5, B6, Letter, 10 × 15 cm, 13 × 18 cm, envelopes (No. 10, DL, C6)A4, A5, A6, B5, B6, 9 × 13 cm, 10 × 15 cm, 13 × 18 cm, 13 × 20 cm, 20 × 25 cm, envelopes (No. 10, DL, C6)
Paper types64–300 g/m² (300 g/m² with Epson Ultra Glossy Photo Paper)64–300 g/m² (300 g/m² with Epson Ultra Glossy Photo Paper)
Output tray30 sheets; opens automatically when a job starts30 sheets
Connections
Connects byWi-Fi, Ethernet, Wi-Fi Direct and USBWi-Fi, Ethernet, Wi-Fi Direct and USB
Connection detailUSB; Ethernet; Wi-Fi 5 (802.11a/b/g/n/ac) on 2.4 and 5 GHz; Wi-Fi Direct; WPA3USB; Ethernet; Wi-Fi; Wi-Fi Direct
Printing from phonesApple AirPrint, Mopria Print Service, Mopria Scan, Epson Connect (Email Print, Remote Print Driver, Scan-to-Cloud)Apple AirPrint, Mopria Print Service, Mopria Scan, Epson Connect (Email Print, Remote Print Driver, Scan-to-Cloud)
AppEpson Smart PanelEpson Smart Panel
Control panel6.1 cm colour LCD6.1 cm colour touchscreen
Design
Weight7.2 kg6.7 kg
Power use15 W copying (ISO/IEC 24712), 6.9 W ready, 0.6 W sleep, 0.1 W off; TEC 0.09 kWh a week12 W copying (ISO/IEC 24712), 5.4 W ready, 1 W sleep, 0.2 W off; TEC 0.16 kWh a week
Size375 × 347 × 240 mm (W × D × H)375 × 347 × 231 mm (W × D × H)
In the boxPrinter, one set of ink bottles (127 ml black; 70 ml cyan, magenta and yellow) plus an extra black, power cable, quick setup guide, warranty document–

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