Epson Stylus CX3700 - Page 132

EPSON Stylus CX3700/CX3800/CX3805/CX3810/DX3800/DX3850 Revision A
DISASSEMBLY/ASSEMBLY Scanner Section 132
4.5.3 Scanner Motor Unit/Scanner HP Sensor/
Driven Pulley
 External view
Figure 4-46. Removing Scanner Motor Unit/Scanner HP Sensor/
Driven Holder
 Part/Unit
that should be removed before removing Scanner Motor Unit/
Scanner HP Sensor/Driven Holder
Document Cover / Scanner Unit / Scanner Housing, Upper
 Removal procedure
1. Move
the Scanner Carriage Unit to the center of the printer.
2. Push the Driven
Holder to the direction of the arrow, and remove Compound
Gears 22.8, 7.762, Driven Holder, and Scanner Timing Belt.
3. Release the shaft
of the hinge L from the bearing of the Scanner Housing,
Lower.
4. Dis
connect the Scanner Connector Cable and the Scanner HP Sensor
Connector Cable from the tab of the hinge L, and pull them out from the notch
of the Scanner Housing, Lower.
5. Rem
ove the screw (x1, ) that secures the Scanner HP Sensor, and remove
the Scanner HP Sensor.
6. Release the Scanner
Motor Connector Cable and the Scanner HP Sensor
Connector Cable from the tab of the Scanner Housing, Lower.
7. Rem
ove the screws (x2, ) that secure the Scanner Motor Unit, and remove
the Scanner Motor Unit.
1
3
Driven Holder
Compound Gears
22.8, 7.762
2
Scanner Timing Belt
Scanner HP Sensor
Connector Cable
C.B.P 3x8 F/Zn (5±1kgfcm)
É_É{
Shaft
Scanner HP
Sensor
C.B.P. 3x8 F/Zn (5±1kgfcm)
Guide Pin
Tab
Hinge L
Notch
Scanner Motor Connector Cable
Scanner
Motor Unit
C.B.P. 3x8 F/Zn (5±1kgfcm)
Guide Pins
Rib
Driven Holder Spring
 When installing the Scanner Motor Unit, match the guide pins
(x2,
) of the Scanner Housing, Lower with the positioning
holes (x2) of the Scanner Motor Unit.
 Wh
en installing the Scanner HP Sensor, match the guide pin
(x1) of the Scanner Housing, Lower with the positioning hole
(x1, ) of the Scanner HP Sensor.
 Route
the Scanner Motor Connector Cable and the Scanner
HP Sensor Connector Cable as shown in the figure.
 Insert the Driven Holder Spring into the rib of the Driven
Holder.