Epson Perfection 4490 Photo - Removing the TPU Inverter Board

EPSON Perfection 4490 Photo Revision B
Disassembly / Assembly Disassembly Procedure 51
4.2.17 Removing the TPU Inverter Board
1. Remove the TPU Carriage Unit. See Section 4.2.16 on page 50.
2. Disconnect the Connector CN1 from the TPU Inverter Board.
3. Release the DRV Inverter FFC from the DRV Inverter FFC Tab of the TPU
Carriage Frame and remove the acetate tape that secures the DRV Inverter FFC.
Figure 4-38. Removing the DRV Inverter FFC
4. Release Connector Cables from the tabs of the Carriage Frame shown in the figure
below.
5. Disconnect the all connectors (CN2, CN3, CN4) from the TPU Inverter Board.
6. Remove the C.B.P. M3 x 8 screw that secures the TPU Inverter Board.
7. Lift the TPU Inverter Board to release it from the tab of the TPU Carriage Frame,
and remove the TPU Inverter Board.
Figure 4-39. Removing the TPU Inverter Board (1)
TPU Inverter Board
CN1
DRV Inverter FFCAcetate Tape
DRV Inverter FFC Tab
CN3
Tab
CN4
Tabs of the Carriage Frame
CN2
C.B.P. 3 x 8
(6.5±0.5kgf.cm)