Epson Stylus Pro 3880 User Manual page 165

Caution:
c
Do not touch the green chip on the side of the cartridge. Doing so may prevent normal
operation and printing.
7. Shake the ink cartridge well before installing it for best results.
8. Hold the ink cartridge with the arrow mark facing up and pointing to the rear of the printer,
and then insert it into the slot as far as it will go until it clicks.
Epson Stylus Pro 3880
Maintenance and Transportation
User's Guide
165