Epson Perfection 4490 Photo - Removing the CR Motor Unit, Motor Tension Belt, and the CR Tension Belt

EPSON Perfection 4490 Photo Revision B
Disassembly / Assembly Disassembly Procedure 43
4.2.9 Removing the CR Motor Unit, Motor Tension Belt,
and the CR Tension Belt
1. Remove the Carriage Unit. See Section 4.2.3 on page 34.
2. Disconnect the CR Motor Connector CN2 from the Main Board. See Section 4.2.5
Step 1 - Step 5
3. Remove the two C.B.P. M3 x 8 screws that secure the CR Motor Unit and remove
it together with the ground plate.
Figure 4-23. Removing the CR Motor Unit
CR Motor UnitPositioning Hole and Guide Pin
CN2
C.B.P. 3 x 8
(7±1 kgf.cm)
Ground Plate
 Install the ground plate in the following procedure.
1. Match the positioning hole of the ground plate with the guide
pin of the Lower Housing.
2. Place the CR Motor Unit as shown in the figure below and
secure the CR Motor Unit and the ground plate to the Lower
Housing.
 When installing the CR Motor Unit, match the positioning hole
and the guidepin as shown in Figure 4-23
.
 Route the CR Motor Cable through the tabs and slot as shown
in the figure below.
Figure 4-24. Routing the CR Motor Cable
Tabs and Slot
Positioning Hole and Guide Pin
Ground Plate