Epson Stylus CX3700 - Page 126

EPSON Stylus CX3700/CX3800/CX3805/CX3810/DX3800/DX3850 Revision A
DISASSEMBLY/ASSEMBLY Printer Section 126
4.4.22 Ink System Unit
 External view
Figure 4-38. Removing Ink System Unit
 Part/Unit
that should be removed before removing Ink System Unit
Document Cover / Paper Support Assy. / Scanner Unit / Panel Unit /
Housing Upper / Print Head / Printer Mechanism / Main Board Unit /
ASF Unit / Holder Shaft Unit / CR Guide Frame / CR Motor / Carriage Unit /
EJ Frame Unit
 Removal procedure
1. Release the In
k Tube from the groove on the downside of the Cap Frame.
2. Rem
ove the screw (x1, ) that secures the Cap Unit.
3. Slid
e the Cap Unit to the inside of the Main Frame, and release the tabs (x2,
) of the Cap Unit from the Main Frame.
4. Release the Carriage
Lock from the notch of the Main Frame/
5. Carefully releas
e the tabs (x3, ) that secure the Pump Unit to the Main
Frame, and remove the Pump Unit.
6. Rem
ove the whole Ink System from the Printer Mechanism, and remove the
gears (x4), Pump Pulley, and Change Lever.
Guide Pins
C.B.P 3x8 F/Zn (4±1kgfcm)
Right Side
Sealing Rubber
Head Cleaner
Lower Right SideTabs
Groove
Cap Unit
Tabs
Compound Gears
27.2, 19.02
Change Lever
Pump Unit
Guide Pins
Notch and Carriage Lock Position
C A U T I O N
 Do not touch or damage the Sealing Rubber or the Head
Cleaner when performing the following work.
 Mark the connection location before removing the Ink Tube.
C A U T I O N
When removing the Ink System Unit, be careful not to drop the
Change Lever and Compound Gears 27.2, 19.2.
When installing the Ink System Unit, follow the steps described
below.
1. Place the Carriage Lock inside the notch of the Main Frame as
shown in the figure.
2. Match the guide pins (x2, ) of the Pump Unit with the
positioning ho
les (x2) of the Main Frame.
3. Match the guide pins (x2, ) of the Cap Unit with the
positioning ho
les (x2) of the Main Frame.
4. Place the Ink Tube into the groove, and install the Ink System
Unit.