EPSON Perfection 4490 Photo Revision B
Disassembly / Assembly Disassembly Procedure 41
4.2.7  Removing the Panel FFC
1. Move the Carriage Unit to the front of the main unit. See Section 4.2.3 Step 1 - 
Step 3
2. Disconnect the Panel FFC from the Main Board. See Section 4.2.5 Step 1 - Step 7
3. Move the Carriage Unit to its home position, and remove the two-sided tape that 
secure the Panel FFC.
4. Disconnect the Panel FFC from CN1 Connector on the Panel Board.
Figure 4-19.  Removing the Panel FFC
Carriage Unit
4
CN1
Panel Board
3
Panel FFC
Tape Position
 When installing the Panel FFC, attach the Ferrite Core as 
shown in the figure below.
Figure 4-20.  Installing the Ferrite Core
 Secure the Panel FFC with a piece of two-sided tape at the 
position shown in Figure 4-19
.
Ferrite Core