Epson Stylus Pro 4450 - SUB-C Board Removal

EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C
Disassembly & Assembly Disassembly Procedures 239
4. Remove the three screws securing "C593_SUB-C Board" and remove
"C593_SUB-C Board".
 C.B.S. 3x6: 3 pcs.
Figure 4-48. SUB-C Board Removal
C.B.S. 3x6