Epson 50 - Artisan 50 - Printer, Service Manual

Page: 65 / 129

Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50 Revision C
Chapter 4 Disassembly/Assembly 4.3.1 Main Board Unit (Removing Control Boards) 65
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) (No.9)
• Screw (1 pc.): C.B.S. M3x6 (tightening torque: 7-9 kgf.cm) (No.1)
(The numbers shown in the figure indicate the order of tightening the screws.)
Figure 4-19. 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 "5.1.2 Required Adjustments" (p.107)
When installing the Main Board Unit, be careful of the following:
„ Match the positioning holes with guide pins shown in Fig.4-19 .
„ Insert the rib of the Main Board Unit into the positioning hole
of the Cable Holder Frame as shown in
Fig.4-19 .
„ Tighten the screws in the order given in Fig.4-19 .
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.4-20 .
2. Avoiding the sharp edge shown in Fig.4-20 , 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 4-20. 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.