EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C
DISASSEMBLY/ASSEMBLY      Removing the Circuit Boards 102
Confidential
3. Remove the screw (x1) that secures the Main Board Unit, and remove the 
Main Board Unit.
Figure 4-16.  Removing the Main Board Unit (2)
 Disassembling the Main Board Unit
1. Remove the Main Board Unit. (p101)
2. Peel off the acetate tape.
3. Remove the screws (x5) and remove the MB Lower Shield Plate.
Figure 4-18.  Removing the Main Board (1)
 When installing the Main Board Unit, insert its hooks (x2) 
into the cutouts (x2) of the Left Frame.
Figure 4-17.  Installing the Main Board Unit
 Tighten the screws in the order given in Figure 4-14.
Acetate Tape
MB Lower Shield Plate
 Upper Shield Plate
C.P. 3x6, F/Zn-3C (2.7±1kgfcm)
C.B.S. 3x6, F/Zn-3C (4±0.5kgfcm)
Positioning Hole and Guide Pin