Epson STYLUS PRO WT7900 Reference Manual page 7

Breakthrough Clear Organic Resin Technology
Hollow Resin Particles Allow Light to Randomly Scatter - Creating the Illusion of White
Amazing White Density - Along with Complete White Toning Capability
Due to a Low Speci c Gravity Resin Particles Settle Slower - Requiring Less Agitation
Unlike Traditional White Ink Chemistry - There Are No Known Carcinogens Involved
Light
Hollow
Resin Shell
Random Light Dispersion
is Seen as White
The World's First Aqueous-Based White Ink Technology
Actual Particle Cross Section
Epson UltraChrome HDR White
Actual Particles Printed on the
Surface of Epson ClearProof™ Film