Main Board Unit - Epson Stylus CX3700 Service Manual

EPSON Stylus CX3700/CX3800/CX3805/CX3810/DX3800/DX3850

4.4.11 Main Board Unit

External view
Main Board Unit
Acetate
Tapes
PE Sensor
Connector Cable
C.B.S. 3x6 F/Zn
(7±1kgfcm)
C.B.S. 3x6 F/Zn
(7±1kgfcm)
Guide Pin
2
Figure 4-19. Removing Main Board Unit
DISASSEMBLY/ASSEMBLY
CN3
CN6
CN8
PF Scale
CN9
Slit
PF Encoder
Sensor
1
PF Scale
Ribs
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 the acetate tapes (x2) that secure the PE Sensor Connector Cable, and
release the PE Sensor Connector Cable from the tabs (x2,
CN5
Board Unit.
CN7
2. Disconnect 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. Remove the screws (x2,
the Main Board Unit from the Printer Mechanism.
Printer Section
) that secure the Main Board Unit, and remove
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.
Match 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.
Revision A
) of the Main
111