Epson Stylus CX3700 - Page 121

EPSON Stylus CX3700/CX3800/CX3805/CX3810/DX3800/DX3850 Revision A
DISASSEMBLY/ASSEMBLY Printer Section 121
4.4.19 Carriage Unit/CR Encoder Board/PW Sensor
Board/Head FFC
 External view (1)
Figure 4-33. Removing Carriage Unit (1)
 Part/Unit
that should be removed before removing Carriage Unit/
CR Encoder Board/PW Sensor Board/Head FFC
Document Cover / Paper Support Assy. / Scanner Unit / Panel Unit /
Housing Upper / Printer Mechanism / Main Board Unit / CR Guide Frame /
CR Motor
 Removal procedure
 Carriage Unit Removal
1. Release Timing Belt from Driven Pulley Holder.
2. Remove the
CR Scale from the Main Frame.
3. Rem
ove the PF Scale that is secured to Spur Gear 32.4 with double-sided
tape (x1).
4. Remove Spacer (4.1
x 0.5) that secures Spur Gear 30.8, and remove Spur
Gear 30.8 from the Main Frame.
5. Release CR Guide
Shaft Torsion Spring from the tabs (x2, ) of the Main
Frame, and remove CR Guide Shaft Torsion Spring from the Main Frame.
Driven Pulley Holder
CR Scale
Tab
Timing Belt
Extension Spring 3.289
Tab
Chipped Part
Slit of CR Encoder Sensor
Spacer
(5.2x0.8x9)
Spur Gear 30.8
PF Scale
Spur Gear 32.4
Double-sided
Tape
Left Side
CR Guide Shaft
Torsion Spring
Installation Hole
Tabs
C A U T I O N
Pay attention to the following instructions:
 Do
not touch the CR Scale with bare hands.
 Do not damage th
e CR Scale.
 Handle the Extension Spring 3.289 in a way that does not
extend it.
C A U T I O N
Be cautious of the following points.
 Do
not touch PF Scale with bare hands.
 Do not damage PF Scale.