Epson WF-3720 series User Manual

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If you don’t see any improvement after cleaning the print head up to 4 times, wait at least 6 hours without
printing or longer if printing. Then try cleaning the print head again. If quality still does not improve, one
of the ink cartridges may be old or damaged and needs to be replaced.
Parent topic: Print Head Nozzle Check
Related concepts
Print Head Cleaning
Checking the Nozzles Using a Computer Utility
You can check the print head nozzles using a utility on your Windows or Mac computer.
1. Load a few sheets of plain paper in the product.
2. Do one of the following:
• Windows: Access the Windows Desktop and right-click the icon for your product in the right
side of the Windows taskbar, or click the up arrow and right-click .
• Mac: In the Apple menu or the Dock, select System Preferences. Select Print & Fax, Print &
Scan, or Printers & Scanners, select your product, and select Options & Supplies. Select
Utility and select Open Printer Utility.
3. Select Nozzle Check.

Epson WF-3720 series Specifications

General

Print Resolution	4800 x 2400 dpi
Scanner Type	Color flatbed / ADF
Scan Resolution	1200 x 2400 dpi
Paper Capacity	250 sheets
ADF Capacity	35 sheets
Display	2.7" color touchscreen
Functions	Print, Copy, Scan, Fax
Duplex Printing	Yes
Fax Memory	Up to 180 pages
Connectivity	Wi-Fi, Ethernet, USB
Fax Speed	33.6 Kbps
Mobile Printing	Epson Connect, Apple AirPrint, Google Cloud Print, Mopria
Paper Sizes	A4, A5, A6, B5, Letter, Legal
Ink Cartridges	Black, Cyan, Magenta, Yellow
Print Speed (Black)	20 ISO ppm
Print Speed (Color)	10 ISO ppm