How JustAnswer Works:

  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.

Ask John Your Own Question

John, Computer Science Engineer
Category: Printers
Satisfied Customers: 5072
Experience:  CompTIA A+ & Microsoft Certified Professional with 15 years of experience repairing computers and printers.
Type Your Printers Question Here...
John is online now
A new question is answered every 9 seconds

I have just upgraded my Mac to Sierra Version 10.12. My

Customer Question

I have just upgraded my Mac to Sierra Version 10.12. My Epson Stylus NX420 went offline. I have tried connecting with the software that came with printer. Nothing. I repeated about 5 times, each time it was indicated that the printer was connected and it printed the test page, but it is no longer online. When I try to scan, a Communication error sign appears--"Check if a computer is connected." Now what?
Submitted: 4 months ago.
Category: Printers
Expert:  Jason Jones replied 4 months ago.


I am the person that will be helping you today. May I ask how the printer is connected to your system? (usb, wifi, network, etc)

I look forward to your response.

Thank you,