Perfection 4870 Photo Revision A
DISASSEMBLY/ASSEMBLY Disassembly Procedure 54
4.2.12 Removal of TPU Inverter Board
1. Remove of TPU Lower Housing.
(Refer to 4.2.11 Removal of TPU Lower Housing )
2. Remove the two screws (C.B.P M3x6) which secure the FFC Cover and then remove
the FFC Cover.
Figure 4-36. Removal of FFC Cover
3. Disconnect the TPU Carriage FFC from the TPU Main Board.
Figure 4-37. Disconnection of TPU Carriage FFC
4. While setting up the TPU Carriage Unit vertically, disconnect all the connectors and
the TPU Carriage FFC on the TPU Inverter Board.
5. Remove the two screws (C.C.P M3x6) which secure the Inverter Board Unit and then
remove the TPU Inverter Board Unit.
Figure 4-38. Removal of TPU Inverter Unit
C.B.P M3x6
(5±1 kgfcm)
FFC Cover
TPU Carriage FFC
C.C.P M3x6
(5±1 kgfcm)
TPU Carriage Unit
TPU Inverter Board Unit
Connector
TPU Carriage FFC Connector