Epson Stylus Pro 7890 Series Reference Manual page 20

All New Spindle-Free Roll Media Loading
High-Accuracy Roll Media Loading System
Roll Media Adapters Adjust for both 2– and 3–inch Media Cores
Simple Tension Lever Ensures Quick and Secure Media Core Loading
Extremely Fast Roll Media Loading with Less Chance of Media Damage
Designed with Epson ePlaten Technology for Highly-Accurate Roll Media Loading
Media Core Tension Lever
2– or 3–Inch Media Core Switch