Perfection 4870 Photo
Revision A
DISASSEMBLY/ASSEMBLY
Disassembly Procedure
57
4.2.14 Removal of TPU Main Board
1. Remove of TPU Lower Housing.
(Refer to 4.2.11 Removal of TPU Lower Housing )
2. Move the TPU Carriage Unit to the position shown in
.
Figure 4-44. Moving TPU Carriage Unit
3. Disconnect the TPU Carriage FFC from the TPU Main Board.
Step 3 in 4.2.12 Removal of TPU Inverter Board.)
4. Disconnect the three connectors from the TPU Main Board.
5. Remove the two screws (C.B.P M3x8) which secure the TPU Main Board Unit.
6. Remove the TPU Main Board Cover and then remove the TPU Main Board.
Figure 4-45. Removal of TPU Main Board
TPU Carriage Unit
Connectors
TPU Main Board Unit
Positioning holes
and the bosses
C.B.P M3x8
(5±1 kgfcm)
Positioning holes
and the bosses
TPU Main Board
TPU Main Board Cover
Summary of Contents for Perfection 4870 Photo
Page 1: ...EPSON Perfection4870Photo Color Image Scanner Service Manual SESC03 008 ...
Page 5: ...Revision Status Revision Date of Issue Description A December 10 2003 First release ...
Page 8: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 19: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 29: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 37: ...C H A P T E R 4 DISASSEMBLY ASSEMBLY ...
Page 63: ...C H A P T E R 5 ADJUSTMENT ...
Page 65: ...C H A P T E R 6 MAINTENANCE ...
Page 68: ...C H A P T E R 7 APPENDIX ...
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