Epson L800, Руководство по обслуживанию

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L800/L801 Revision A
Disassembly/Reassembly Main Board Unit 28
Confidential
4. Remove the three screws and remove the Main Board Unit.
•
Screw (2 pcs.): C.B.P.(P2) M3x8 (tightening torque: 5-7 kgf.cm)
•
Screw (1 pc.): C.B.S. M3x6 (tightening torque: 7-9 kgf.cm)
(The numbers shown in the figure indicate the order of tightening the screws.)
Figure 1-25. Removing the Main Board Unit (2)
A D J U S T M E N T
R E Q U I R E D
Whenever the Main Board Unit is replaced, the required adjustment
must be carried out.
•
Refer to "2.1.2 Required Adjustments" (p.74)
When installing the Main Board Unit, be careful of the following:
̈
Match the positioning holes with guide pins shown in Fig.1-25 .
̈
Insert the rib of the Main Board Unit into the positioning hole
of the Cable Holder Frame as shown in
Fig.1-25 .
̈
Tighten the screws in the order given in Fig.1-25 .
Rib
3
[Left Side]
Main Board Unit
1
2
Positioning Holes
and Guide Pins
[Upper Side]
After connecting the cables, secure them with acetate tape
following the procedures below.
1. Route the Power Supply Cable closely along the Lower Shield
Plate M/B, and secure the cable with acetate tapes at the
positions A, B, and C (30 mm each) as shown in
Fig.1-26 .
2. Avoiding the sharp edge shown in Fig.1-26 , secure the
following cables with the acetate tape D (50 mm).
•
Power Supply Cable
•
CR Motor Cable
•
PF Motor Cable
•
PE Motor Cable
•
APG Sensor Cable
Figure 1-26. Routing the Cables
A
B
C
D
Power Supply Cable
D
Edge of Lower
Shield Plate M/B
Positions of Acetate
tape A, B, C
A
B
C
Main Board Unit
Lower Shield Plate
M/B
Sharp edge
Align the upper left end
of acetate tape D with
the edge of the Lower
Shield Plate M/B.