Epson WF-7820 Series User Manual

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7. On the Proceed screen, confirm the displayed settings and select Proceed, or press the back arrow
to change the settings.
8. On the Run Check Fax Connection screen, select Start Checking and follow the on-screen
instructions to check the fax connection and print a report of the check result. If there are any errors
reported, try the solutions on the report and run the check again.
If the Select Line Type screen appears, select the correct line type.
If the Dial Tone Detection screen appears, select Do Not Detect. However, disabling the dial tone
detection function may drop the first digit of a fax number and send the fax to the wrong number.
Parent topic: Setting Up Basic Fax Features
Related tasks
Entering Characters on the LCD Screen
Selecting the Line Type
If you connect the product to a PBX phone system or terminal adapter, you must change the product's
line type. PBX (Private Branch Exchange) is used in office environments where an external access code
such as “9” must be dialed to call an outside line. The default Line Type setting is PSTN (Public Switched
Telephone Network), which is a standard home phone line.
Note: This setting can be locked by an administrator. If you can't access or change this setting, contact
your administrator for assistance.
1. Press the home button, if necessary.
2. Select Settings > General Settings > Fax Settings > Basic Settings > Line Type > PBX.

Epson WF-7820 Series Specifications

General

Print Resolution	4800 x 2400 dpi
Max Print Size	13" x 19"
Duplex Printing	Yes
Scan Resolution	1200 x 2400 dpi
Paper Capacity	250 sheets
ADF Capacity	50 sheets
Display	4.3" color touchscreen
Functions	Print, Copy, Scan, Fax
Scanner Type	Flatbed colour image scanner
Connectivity	Wi-Fi, Ethernet, Wi-Fi Direct, USB
Mobile Printing	Epson Connect, Apple AirPrint, Google Cloud Print
Paper Sizes	A3, A4, A5, A6, B4, B5, C6, DL
Fax Transmission Speed	Approx. 3 seconds per page
Fax Memory	Up to 550 pages
Print Technology	PrecisionCore
Ink Type	DURABrite Ultra Ink