Epson WF-7840 Start Guide

WF-7820/WF-7840

Start Here

IMPORTANT: Before using this product, make sure you read
these instructions and the safety instructions in the online User’s
Guide.

Note: This printer is designed for use with Epson® cartridges only, not

third-party cartridges or ink. For important ink information, visit
www.epson.com/epsonink (U.S.) or www.epson.ca/epsonink (Canada)
or see your printer box.

Important Safety Instructions: When using telephone equipment, you

should always follow basic safety precautions to reduce the risk of fire,
electric shock, and personal injury, including the following:

• Do not use the Epson product near water.

• Always keep this guide handy.

• Avoid using a telephone during an electrical storm. There may be a
remote risk of electric shock from lightning.

• Do not use a telephone to report a gas leak in the vicinity of the leak.

Caution: To reduce the risk of fire, use only a No. 26 AWG or larger

telecommunication line cord.

The illustrations show the WF-7840, but the steps are the same
for the WF-7820, unless otherwise specified.

3 Lower the scanner unit.

Turn on and configure

2

1 Connect the power cord to the back of the product and to

an electrical outlet.

Caution: Do not connect to your computer yet.

2 Raise the control panel and turn on the product.

Unpack

1

Note: Do not open the ink cartridge packages until you are ready to

install the ink. Cartridges are vacuum packed to maintain reliability.

1 Remove all protective materials from the product.

2 Lift up the scanner unit until it locks into place and remove

all protective materials from inside the product.

Note: If an error code appears, turn off the product and

check that no protective material has been left inside the
product.

3 Select your language, country, date, and time on the

LCD screen.

Note: You can change these settings later using the product’s

control panel. For more information, see the online User’s Guide.

Install ink cartridges

3

Caution: Keep the ink cartridges out the reach of children and do not

drink the ink.

Note: The included initial cartridges are designed for reliable printer

setup and cannot be used as replacement cartridges or resold. After
setup, the remaining ink is available for printing.

1 Lift up the scanner unit until it locks into place, then

open the ink cartridge cover.

Caution: Do not touch the flat white cable.

Caution: Do not touch the flat white cable.

2 Gently shake the ink cartridges, and remove them from the

packaging.

3 Remove only the yellow tape from each ink cartridge.

Caution: Do not remove any seals, or ink will leak. Do not touch

the areas shown above. Doing so may prevent normal operation
and printing.

Load paper

4

See the online User’s Guide for information about loading
capacity, available paper types and sizes, loading envelopes,
and using the rear paper feed slot or ADF.

1 Make sure the product is done charging the ink, then pull

out the paper cassette.

2 Slide the side edge guides all the way out and set the

front edge guide to the paper size you are using.

4 Insert the cartridge in the holder for each color. Press each

cartridge down until it clicks. Make sure all cartridges are
pushed down into place.

5 Close the ink cartridge cover, then lower the scanner unit.

6 The product starts charging the ink. Ink charging takes

approximately 5 minutes. When you see a completion
message on the product’s LCD screen, charging is
complete.

3 Insert paper with the glossy or printable side down.

Note: Make sure the paper is under the arrow mark for your

paper type and loaded against the front edge of the cassette.

4 Slide the edge guides against the paper, but not too

tightly.

Caution: Don’t turn off the printer or raise the scanner unit while

the printer is charging or you’ll waste ink.

Note: As part of setup, your product’s serial number will be sent

to a secure Epson server so that you can be eligible to participate
in programs we may offer from time to time, including the Epson
ink replenishment program. You will have a separate opportunity
to consent to participating in such programs.

5 Keep the cassette flat as you insert it all the way.

6 Select the paper settings on the product’s control panel.