Epson Stylus Pro 7400 - Page 281

EPSON Stylus Pro 7400/7800/9400/9800 Revision B
Disassembly & Assembly Disassembly Procedure 281
10. Remove the four screws that secure the HOLDER ASSY., IC, LEFT.
 Four C.C.S. M4 x 8 screws
Figure 4-129. Screws Securing the HOLDER ASSY., IC, LEFT
C.C.S. 4x8
C.C.S. 4x8