Epson Stylus NX420 All-in-One Printer

No. Before removing a memory card, make sure the memory card access light is not flashing. Do not remove a card while the light is flashing, or you may lose data on the card.

If your printer is connected to your computer, you may need to do one of the following before removing the card, depending on your operating system:

Operating system	Steps to take
Windows XP, Windows XP Professional x64 Edition	Click the  Safely Remove Hardware icon on the taskbar. Then click Safely Remove USB Mass Storage Device.
Windows Vista, Windows 7	Click the  Safely Remove Hardware icon on the taskbar. Then click Safely Remove USB Mass Storage Device.
Mac OS X	Drag the removable disk icon from your desktop into the trash, then remove the card.