Epson Stylus NX420 User Manual

Replacing Ink Cartridges41 7. Insert the new ink cartridge into the holder and push it down until it clicks 
into place.
8. Once you replace all the cartridges that need replacing, close the cartridge 
cover and push it down until it clicks into place.
9. Close the scanner.
10. Press 
OK to begin charging the ink. This takes 
about 2 minutes. When you see a completion 
message on the display screen, ink charging is 
finished.
Caution: 
Never turn off the your Epson printer while ink is 
charging or...

42Solving Problems
Solving Problems
If you have a problem with your Epson printer, check the messages on the display 
screen to diagnose the cause.
You can also check “Problems and Solutions” on page 44 for basic troubleshooting 
suggestions, or double-click the User’s Guide icon on your computer desktop for 
more detailed help. 
Checking for Software Updates
Periodically, it’s a good idea to check Epson’s support website for free updates to 
your NX420 Series software. Open your online User’s Guide and...

Error Indicators43
Error Indicators
If you see one of the error codes below, follow the steps here to proceed.
Note: 
When an error code appears, it will be located in the upper-right corner of the LCD 
display screen.
Error codeProblem and solution
I-01 Paper is out or multiple pages have fed. Load or reload paper in the 
sheet feeder, then press the x
Start button to continue.
W-05
W-02 Paper is jammed. Carefully remove the paper jam (see page 46).
W-03
W-04 The cartridge cover is open. Close the ink...

44Solving Problems
Problems and Solutions
Check the solutions below if you’re having trouble using your Epson printer.
Network Problems
The printer cannot find or connect to the wireless router or access point
■Try connecting to the wireless router or access point with your computer or 
another device to confirm that it is working correctly.
■Make sure that the printer is within range of your router or access point. 
■Avoid placing the printer near a microwave oven, 2.4 GHz cordless phone, or 
large...

Problems and Solutions45
The printer does not appear in the Add Printer window (Mac OS X)
Make sure the printer driver was installed correctly and that your computer’s 
TCP/IP settings are configured correctly. 
Cannot print over the network
■Make sure that the printer is turned on and the green WiFi light on the front 
of the printer is on.
■When using TCP/IP, make sure the printer’s IP address is set correctly for your 
network. If your network does not assign IP addresses using DHCP, you need 
to set...

46Solving Problems
Printing and Copying Problems
■Make sure your original is positioned in the front right corner of the glass. If 
the edges are cropped, move your original away from the edges slightly.
■Make sure your paper is loaded short edge first and is positioned against the 
right side with the edge guide against its left side. Don’t load paper above the 
arrow mark inside the edge guide.
■Make sure the paper size settings are correct for the paper you loaded.
Paper Feeding Problems
■If paper...

Problems and Solutions47
■Make sure the type of paper you loaded matches the paper size and paper type 
settings on the control panel or in your printer software (see page 31). 
■For the best print quality, use Epson special paper (see page 20) and genuine 
Epson ink cartridges (see page 38).
■If you notice light or dark bands across your printouts or they are too faint, 
you may need to clean the print head (see page 37). This unclogs the nozzles 
so they can deliver ink properly. Run a nozzle check as...

48Solving Problems
Where to Get Help
Internet Support
Visit Epson’s support website at epson.com/support (U.S.) or epson.ca/support 
(Canada) and select your product for solutions to common problems. You can 
download drivers and documentation, get FAQs and troubleshooting advice, or e-
mail Epson with your questions.
Speak to a Support Representative
Before you call Epson for support, please have the following information ready:
■Product name (Epson Stylus NX420 Series)
■Product serial number (located...

Notices49
Notices
Important Safety Instructions
Before using your Epson printer, read and follow these safety instructions:
■Be sure to follow all warnings and instructions marked on your Epson printer.
■Use only the type of power source indicated on the printer label.
■Use only the power cord that comes with the printer. Use of another cord may cause 
fires or shock. Do not use the cord with any other equipment.
■Place the printer near a wall outlet where the plug can be easily unplugged.
■If you won’t...

50Notices
■Except as specifically explained in your documentation, do not attempt to service the 
printer yourself.
■Unplug the printer and refer servicing to qualified service personnel under the 
following conditions: if the power cord or plug is damaged; if liquid has entered the 
product; if the product has been dropped or the case damaged; if the product does not 
operate normally or exhibits a distinct change in performance. Adjust only those 
controls that are covered by the operating...