Epson Stylus Pro 3880 User Manual page 169

Note:
Do not tilt the used maintenance cartridge until after it is sealed in the plastic bag.
5. Remove the replacement maintenance cartridge from its package.
Caution:
c
Do not touch the green chip on the side of the cartridge. Doing so may prevent normal
operation.
6. Insert the new maintenance cartridge into place as far as it will go.
Epson Stylus Pro 3880
Maintenance and Transportation
User's Guide
169