Epson Stylus CX3700 - Page 111

EPSON Stylus CX3700/CX3800/CX3805/CX3810/DX3800/DX3850 Revision A
DISASSEMBLY/ASSEMBLY Printer Section 111
4.4.11 Main Board Unit
 External view
Figure 4-19. Removing Main Board Unit
 Part/Unit
that should be removed before removing Main Board Unit
Document Cover / Paper Support Assy. / Scanner Unit / Panel Unit /
Housing, Upper / Printer Mechanism
 Removal procedure
1. Peel off th
e acetate tapes (x2) that secure the PE Sensor Connector Cable, and
release the PE Sensor Connector Cable from the tabs (x2, ) of the Main
Board Uni
t.
2. Di
sconnect the following connector cables and FFCs from the connectors of
the Main Board.
• CN3: PE Sensor Connector Cable
• CN5: Head FFC
• CN6: Head FFC
• CN7: Head FFC
• CN8: CR Motor Connector Cable
• CN9: PF Motor Connector Cable
3. Rem
ove the screws (x2, ) that secure the Main Board Unit, and remove
the Main Board Unit from the Printer Mechanism.
Acetate
Tapes
Main Board Unit
PE Sensor
Connector Cable
CN3
CN8
CN9
CN6
CN5
CN7
PF Scale
2
1
C.B.S. 3x6 F/Zn
(7±1kgfcm)
C.B.S. 3x6 F/Zn
(7±1kgfcm)
Ribs
Guide Pin
Slit
PF Encoder
Sensor
PF Scale
 Insert the PF Scale into the slit of the PF Encoder Sensor.
 Insert the ribs (x2, ) of the Main Frame into the tabs (x2) of
the Main Board Unit.
 Ma
tch the positioning hole (x1) of the Main Board Unit with
the guide pin (x1, ) of the Main Frame.
 Tighten the screws in the order as shown in the figure.