Scanner Motor Unit/Scanner Hp Sensor/Driven Pulley - Epson Stylus CX3700 Service Manual

EPSON Stylus CX3700/CX3800/CX3805/CX3810/DX3800/DX3850
4.5.3 Scanner Motor Unit/Scanner HP Sensor/
Driven Pulley
External view
Compound Gears
22.8, 7.762
2
Scanner Timing Belt
Scanner Motor Connector Cable
Hinge L
Notch
Shaft
Scanner HP Sensor
Connector Cable
Scanner
Motor Unit
C.B.P. 3x8 F/Zn (5±1kgfcm)
Guide Pins
Figure 4-46. Removing Scanner Motor Unit/Scanner HP Sensor/Driven Holder
DISASSEMBLY/ASSEMBLY
3
Driven Holder
Scanner HP
Sensor
Tab
C.B.P. 3x8 F/Zn (5±1kgfcm) C.B.P 3x8 F/Zn (5±1kgfcm)
Guide Pin É_É{
Rib
Driven Holder Spring
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,
1
Lower.
4. Disconnect 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. Remove the screw (x1,
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. Remove the screws (x2,
the Scanner Motor Unit.
When installing the Scanner Motor Unit, match the guide pins
(x2,
holes (x2) of the Scanner Motor Unit.
When installing the Scanner HP Sensor, match the guide pin
(x1) of the Scanner Housing, Lower with the positioning hole
(x1,
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.
Scanner Section
) that secures the Scanner HP Sensor, and remove
) that secure the Scanner Motor Unit, and remove
) of the Scanner Housing, Lower with the positioning
) of the Scanner HP Sensor.
Revision A
132