Epson Stylus Photo RX650 - CCD Unit (Scanner Unit); HP Sensor (Scanner Unit); CR Motor Unit

EPSON Stylus PHOTO RX640/650 Revision A
Disassembly and Assembly Disassembly of Scanner Unit 58
4.4.2 CCD Unit (Scanner Unit)
1. Remove the Scanner Housing (p.57)
2. Remove the Timing Belt from the Driven Pulley while relaxing the belt tension for
the CR Shaft. (Fig. 4-43)
3. Remove the CCD Unit together with the FFC and the CR Shaft. (Fig. 4-44)
4.4.3 HP Sensor (Scanner Unit)
1. Remove the Scanner Housing (p.57)
2. Remove the screw securing the HP Sensor. (Fig. 4-45)
3. Pull out the harness from the Scanner Unit, and remove the HP Sensor.
4.4.4 CR Motor Unit
1. Remove the Scanner Housing (p.57)
2. Remove the Timing Belt from the Driven Pulley while relaxing the belt tension for
the CR Shaft. (Fig. 4-43)
3. Remove the screw fastening the grounding wire to the CR Motor Unit. (Fig. 4-45)
4. Remove the screw and washers (x3) securing the CR Motor Unit.
Figure 4-43. Removing the Timing Belt
Figure 4-44. Removing the CR Assy
Figure 4-45. CR Motor Unit and HP Sensor
 When replacing the CCD Unit, the FFC is to be replaced
together. In installation, stick the FFC on the Lower Housing
properly so that it is free from floating. (Fig. 4-44)
 Install the CR Shaft while fitting its grooved end in the guide of
the Lower Housing. (Fig. 4-43)
 Install the Timing Belt with the tooth side facing inside and
without torsion.
C A U T I O N
Do not remove the screws (x4) marked with X for the CR Motor
Unit shown at right. Once they are removed, the belt tension will
change. In such a case, the CR Motor Unit must be replaced. (Fig.
4-45)
Driven Pulley
Timing Belt
CR Shaft
installed here
CCD Unit
FFC
Double
adhesive tape
HP Sensor
CR Motor Unit
Grounding wire
Do not remove
(x4)
C.B.P-TITE 3x8 (x3)
Torque : 0.6±0.1N
·m
C.B.P-TITE 3x8
Torque : 0.6±0.1N
·m
C.B.P-TITE 3x6
Torque : 0.6±0.1N
·m