Epson Stylus Pro 4400 Reference Manual page 297

4. Carefully pull the empty cartridge straight out of the printer.
Warning:
w
If ink gets on your hands, wash them thoroughly with soap
and water. If ink gets into your eyes, flush them immediately
with water.
Caution:
c
Do not shake cartridges (that have been installed previously)
with too much force.
5. Make sure the replacement ink cartridge is the correct color,
and remove it from the package. Shake the ink cartridge well
before installing it for best results.
Maintenance and Transportation
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