EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C
Disassembly & Assembly Disassembly Procedures 215
4.2.3.2  Paper Guide Assy., M, SP
1. Pull the left and right levers that secures the "Paper Guide Assy., M, SP" 
inward, and then pull out the "Paper Guide Assy., M, SP".
Figure 4-16. Paper Guide Assy., M, SP Removal
Paper Guice Assy., M, SP
Securing Lever