Epson WF-3820 Series User Manual

Unsupported characters have been entered to Common Name, Organization, Organizational Unit,
Locality, and State/Province.
Enter characters of either IPv4, IPv6, host name, or FQDN format in ASCII (0x20-0x7E).
A comma or space is included in the Common Name.
If a comma is entered, the Common Name is divided at that point. If only a space is entered before or aer a
comma, an error occurs.
Related Information
& “Obtaining a CA-signed Certicate” on page 364
Warning Relating to a Digital
Certicate
Appears
Messages Cause/What to do
Enter a Server Certicate.
Cause:
You have not selected a le to import.
What to do:
Select a le and click Import.
CA Certicate 1 is not entered.
Cause:
CA certicate 1 is not entered and only CA certicate 2 is entered.
What to do:
Import CA certicate 1 rst.
Invalid value below.
Cause:
Unsupported characters are contained in the le path and/or password.
What to do:
Make sure that the characters are entered correctly for the item.
Invalid date and time.
Cause:
Date and time for the printer have not been set.
What to do:
Set date and time using Web
Cong
, EpsonNet
Cong
or the printer's control
panel.
Invalid password.
Cause:
The password set for CA certicate and entered password do not match.
What to do:
Enter the correct password.
Administrator Information > Advanced Security Settings > Solving Problems for Advanced Security
372

Epson WF-3820 Series Specifications

General

Print Technology	Inkjet
Max Print Resolution	4800 x 2400 dpi
Connectivity	USB, Ethernet, Wi-Fi, Wi-Fi Direct
Paper Capacity	250 sheets
Duplex Printing	Yes
Scanner Type	Flatbed color image scanner
Display	2.7" color touchscreen
Functions	Print, Copy, Scan, Fax
ADF Capacity	35 sheets
Scan Resolution	1200 x 2400 dpi
Fax Speed	33.6 Kbps
Ink Type	DURABrite Ultra pigment ink
Ink Cartridges	4 individual ink cartridges (Black, Cyan, Magenta, Yellow)
Paper Sizes Supported	A4, A6
Mobile Printing	Epson Connect, Apple AirPrint, Mopria
Dimensions (W x D x H)	16.7" x 19.8" x 10.8"