Main Board Unit - Epson Stylus Photo RX700 Service Manual

EPSON Stylus Photo RX900

4.2.4 Main Board Unit

A D J U S T M E N T
When the Main Board is to be replaced, refer to the following
R E Q U I R E D
section and back up the data in EEPROM before starting
disassembly, if possible.
5.1.1 Adjustment Items (p.134)
1. Remove the Panel Assy. (p.80)
2. Remove the Scanner Unit. (p.83)
3. Remove the ground screw from the Pressure Pump Assy.
(See Figure 4-7)
4. Disconnect all the connectors connected to the Main Board Unit.
5. Remove all the screws securing the Main Board Unit.
Screw
C.B.P-Tite 3x6 F/ZN-3C
C.B.S-Tite 3x10 F/ZN-3C
6. Lift the Main Board Unit and remove it from the printer.
C H E C K
The removal procedure for the Main Board Unit is completed
P O I N T
here. You can start the procedure for removing any other
subsequent unit. However, if the Main Board is to be replaced,
follow the steps described below to complete the removal
procedure for the Main Board.
7. Remove the screws (1+6) securing the M/B Upper Shield Plate.
8. Remove the screws (1+4) securing the Main Board.
(Continued to next page)
Disassembly and Assembly
Qty Tightening Torque
⋅
3 0.8 ± 0.1 N m
⋅
5 0.6 ± 0.1 N m
Removal of Exterior Parts
C.B.P-Tite 3x6 F/ZN-3C
Main Board Unit
Figure 4-8. Removing the Main Board Unit
M/B Upper Shield Plate
C.B.S 2.5x5 F/ZB-3C
⋅
Torque: 0.7 ± 0.1N m
C.B.S 3x12 F/ZN-3C
⋅
Torque: 0.8 ± 0.1N m
M/B Lower Shield Plate
Figure 4-9. Disassembling the Main Board Unit
Revision A
C.B.S-Tite 3x10 F/ZN-3C (x5)
⋅
Torque: 0.6 ± 0.1N m
C.B.P-Tite 3x6 F/ZN-3C (x2)
Torque: 0.8 ± 0.1N
C.B.S 3x6 F/ZN-3C (x6)
Torque: 0.8 ± 0.1N
C.B.S 3x6 F/ZN-3C (x4)
Torque: 0.8 ± 0.1N
Main Board
86
⋅
m
⋅
m
⋅
m