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Ask Viet - Printer Tech Your Own Question
Viet - Printer Tech
Viet - Printer Tech, Printer Technician
Category: Printers
Satisfied Customers: 37518
Experience:  Troubleshoot printers, scanners, etc.
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Work Force WF-3640 printer won't print. Receives input from

Customer Question

Work Force WF-3640 printer won't print. Receives input from computer for system work, but doesn't seem to be getting "print" files
JA: What's the exact make and model of your printer, and can you guesstimate how old it is?
Customer: Epson WF=3640, 3 years old. wifi stopped working on 3rd update
JA: What kind of computer are you printing from (Mac or PC)? What Operating System (OS) are you running?
Customer: Mac 10.12
JA: How long has this been an issue? What happened right before this popped up?
Customer: I moved it from one room to another, upon plugging it all back in. computer recognizes it, it appears to "talk" ... but won't accept a print command
JA: Anything else you want the printer expert to know before I connect you?
Customer: no
Submitted: 10 months ago.
Category: Printers
Expert:  Viet - Printer Tech replied 10 months ago.


I'm sorry about the issue. Is it able to make a copy from the printer's glass (not printing from the computer)?

What kind of update was it?

Please reply at the box below. Thank you,

Expert:  Viet - Printer Tech replied 10 months ago.

Is the printer connected to the computer with a USB cable? Or is the connection wireless?

Solution #1:

- Disconnect the power cord(s) from the internet modem / router device(s) for a few minutes, then re-connect

, then turn off the printer, then disconnect power cord from printer for a couple of minutes, then re-connect, then wait a bit and check.

Solution #2:

- If that does not work, and if the printer is wireless, then press the Home button on the printer, then press the Wi-Fi / wireless / network icon, then select option Wi-Fi Setup, then select option Wi-Fi Setup Wizard, then select / connect to your wi-fi/wireless network name and check printing.

; If needed, please see full instructions / illustrations at

; How to enter password ***** characters on the screen:

; Video instructions:

; (watch only from the minute 2:35 to 4:02)

Solution #3:

- If that still does not work, download the printer driver file epson17950.dmg at the Epson website below:

, then open the download file epson17950.dmg and install it and check.

Solution #4:

- If all fails, please try the following:

  1. Make sure the printer is powered on.

  2. Go to the Apple logo / menu, then click on on System Preferences, then click Printers & Scanners.

  3. Hold down the Control key as you click in the printer list at the left, then choose “Reset printing system” from the menu that appears, and confirm Yes/ OK to reset.
    (Or right-click on the printer, then click on option Reset printing system, and confirm.)

    - After resetting the printing system, the list of printers in Printers & Scanners preferences should be empty.

  4. Click on the + (plus) button at the bottom left, and it should detect your Epson printer, then select it and add it.

  5. Then check printing different things, such as a web page, a document, a picture, etc., and check.

Please type at the box below, then click on the Send button below to communicate with me, so I can help further. Thank you,