Power Supply Unit - Epson Stylus NX100 Service Manual

Epson Stylus NX100/105/SX100/105/TX100/101/102/103/105/106/109/ME 300/ME OFFICE 360/NX110/115/SX110/115/TX110/111/112/113/115/117/119
2. Remove the four screws that secure the Main Board.
3. Remove the Main Board and the Shield Plate with the PE Sensor Lever to the
ASF side as shown below.
PE Sensor
PE Sensor Lever
Rib
Figure 4-22. Removing the Main Board (2)
When installing the Main Board, keep the PE Sensor Lever
away (as shown in Fig.4-22) to avoid getting broken.
Before tightening the screws, make sure to insert the Main Board
to the rib of the Main Frame, and align the threaded hole of the
Main Frame with the hole of the Main Board. (See Fig.4-22.)
Tighten the screws in the order indicated in Fig.4-22.
For the Shield Plate, hook its upper part to the Main Frame and
secure them as shown below.
Shield Plate
Figure 4-23. Installing the Main board
Whenever the Main Board Unit is removed/replaced, the required
A D J U S T M E N T
R E Q U I R E D
adjustments must be carried out.
• Chapter 5 " ADJUSTMENT" (p.110)
DISASSEMBLY/ASSEMBLY
Shield Plate Main board
SCREW SEMS M2.6x3.5 PAN HEAD+ (7.5±0.5kgfcm)
Main Frame
Removing the Circuit Boards

4.4.3 Power Supply Unit

Parts/Components need to be removed in advance:
Scanner Stand/Cover Wire (p 68), Scanner Unit
Panel Unit (p 72)
Removal procedure
1. Disconnect the connector of the Power Supply Unit Cable (J3) from the Main
Unit and release the Power Supply Unit cable from the ribs of the Lower
Housing.
2. Remove the screw that secures the Power Supply Unit.
3. Remove the Power Supply Unit from the Lower Housing.
Power Supply Unit
Figure 4-24. Removing the Power Supply Unit
Revision C
(p 70), Middle Housing (p 71)
Main board
J3
Lower housing
Power Supply Unit cable
SCREW M3x8 P-TITE (5±0.5kgfcm) Rib
Confidential
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