Epson PowerRIP Stylus User Manual page 21

6. Lower the cartridges into their holders with the labels face
up and the arrow on the top of the cartridge pointing
toward the rear of the printer. The color cartridge, which is
larger, goes on the left, the black ink cartridge on the right.
7. Push the ink cartridge clamps toward the back of the printer
until they lock in place.
Caution:
c
Once you install the ink cartridges, do not open the clamps
or remove the cartridges except to replace them with new
ones. Once you remove a cartridge, you cannot re-use it.
1-8
Setting Up the Printer