Circuit Board Removal - Epson C63, C64, C83, C84 Service Manual

EPSON Stylus C63/64/83/84

1.3.3 Circuit board removal

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External view
Screw type : C.B.S TITE SCREW, 3x10, F/SN
Order of tightening : Third
Thghtening torque : 8±1 kgf.cm
Screw type : C.B.S TITE SCREW, 3x6, F/SN
Order of tightening : 4th
Thghtening torque : 8±1 kgf.cm
Main board (Backside)
Far side
HP side
Dowel of cramp core
Cramp core
Figure 1-4. Circuit board
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Part/Unit that should be removed before removing Circuit board
Housing (Right/Left/Frame) / ASF unit
Disassembly and Assembly
Screw type : C.B.S TITE SCREW, 3x14, F/SN
Order of tightening : First
Thghtening torque : 8±1 kgf.cm
Screw type : C.B.S TITE SCREW, 3x14, F/SN
Order of tightening : Second
Thghtening torque : 8±1 kgf.cm
Shield Plate FFC
Disassembly
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Removal procedure
1) Remove Clamp core from [Mounting Plate, M/B], and disconnect the following
seven cables from the corresponding connectors on main board.
- CR motor connector cable
- PF motor connector cable
- Head FFC
- PE sensor cable
- Power supply connect cable
- Panel board connector cable
2) Remove four screws for securing Circuit board to main frame, and remove
the board.
3) Remove [Shield Plate, M/B] from main board.
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When assembling Circuit board,
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Make sure that the metal fittings for locking the Parallel
interface is on its shield plate.
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When assembling Circuit board to main frame,
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Make sure to connect all cables to the connectors (CN2,
CN4, CN5, CN6, CN7, CN8, CN9) on main board in the
correct direction.
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Fasten four screws for securing Circuit board in the
order/tightening torque indicated in the figure.
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Make sure that Shield plate FFC on Head FFC is
securely pasted on [Mounting Plate, M/B].
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Make sure that two dowels of Clamp core is set in home
position direction.
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Make sure that PE sensor cable & CR motor connector
cable are set on Holder shaft unit, and in Clamp core.
Revision A
: CN5
: CN6
: CN7, CN8
: CN9
: CN2
: CN4
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