Main Board Unit/Card Slot Unit - Epson Stylus CX4100 Service Manual

EPSON Stylus CX4100/CX4200/CX4700/CX4800/DX4200/DX4800/DX4850

4.4.11 Main Board Unit/Card Slot Unit

External view (1)
Head FFC
Acetate
Tapes
Double-
sided Tape
PG Sensor
Main Board Connector
Unit Cable
CN3 CN4
CN9 CN8
C.B.S. 3x6 F/Zn
(7±1kgfcm)
C.B.S. 3x6 F/Zn
(4±1kgfcm)
Guide Pin
3
2
Figure 4-19. Removing Main Board Unit (1)
DISASSEMBLY/ASSEMBLY
Acetate
Tapes
PE Sensor
Connector
CN5
CN7 CN6
Bottom
Double-sided Tape
Slit
PF Encoder
1
Sensor
PF Scale
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
Main Board Removal
1. Peel off the acetate tape (x1) that secures the Head FFCs (x3).
2. Peel off the acetate tape (x1) that secures the PG Sensor Connector Cable.
3. Release the PG Sensor Connector Cable from the tabs (x3,
Board Unit.
4. Peel off the acetate tapes (x2) that secure the PE Sensor Connector Cable, and
release the PE Sensor Connector Cable from the tabs (x2,
Cable
Board Unit.
5. Disconnect the following connector cables and FFCs from the connectors of
the Main Board.
• CN3: PE Sensor Connector Cable
• CN4: PG Sensor Connector Cable
• CN5: Head FFC
• CN6: Head FFC
• CN7: Head FFC
• CN8: CR Motor Connector Cable
• CN9: PF Motor Connector Cable
Tabs
Ribs
6. Remove the screws (x3,
the Main Board Unit from the Printer Mechanism.
Insert the PF Scale into the slit of the PF Encoder Sensor.
Insert the ribs (x3,
Main Board Unit.
Insert the rib (x1,
the Main Frame.
Match the positioning hole (x1) of the Main Board Unit with the
guide pin (x1,
Tighten the screws in the order as shown in the figure.
Printer Section
) of the Main
) of the Main
) that secure the Main Board Unit, and remove
) of the Main Frame into the tabs (x3) of the
) of the Main Board Unit into the tab (x1) of
) of the Main Frame.
Revision A
141