Epson PX650 Series, Service Manual

Page: 109 / 166

Epson Stylus Photo PX650/TX650/TX659/PX660/PX660 Premium/Artisan 635 Revision C
DISASSEMBLY AND ASSEMBLY Disassembly of Scanner Unit 109
Confidential
2. Remove the screw that secure the grounding wire.
3. Disconnect the CR Encoder cable, the CR Motor Unit cable and the grounding
wire from the Lower Housing.
Figure 4-115. Removing the CR Motor Unit (2)
4. Remove the screws (x4) that secure the CR Motor Unit, and remove the CR Motor
Unit.
Figure 4-116. Removing the CR Motor Unit (3)
C A U T I O N
Do not remove or loosen the screw marked “X” in Fig. 4-116
because it causes the misalignment of the encoder. If the encoder is
not in the correct position, the unit must be replaced with a new one.
C.B.(P2) 3x6 (5±1 Kgfcm)
CR Motor cable
Rib
Groove
CR Encoder cable
Grounding wire
C.B.P 3x8 (5±1 Kgfcm)
Do not remove or loosen C A U T I O N
Grease is applied here. C A U T I O N
CR Motor Unit

When installing the CR Motor Unit on the Lower Housing,
push it adequately so that the insulators are compressed to such
thickness as shown below.
Figure 4-117. Installing the CR Motor Unit

When removing the CR Motor Unit, route the cables as below.
(See Figure 4-115.)

CR Encoder cable: Route through the groove of the
Lower Housing.

CR Motor Unit cable: Route through the ribs (x3) of the
Lower Housing.

Grounding wire: Route through the ribs (x4) of the
Lower Housing.
A
B
A<B
Push the unit until the
thickness of the insulator
A becomes smaller than
that of the insulator B, and
tighten the screw.