Ps Board Unit Removal - Epson C63, C64, C83, C84 Service Manual

EPSON Stylus C63/64/83/84

1.3.5 PS board unit removal

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External view
Screw type : C.B.P-TITE SCREW, 3x8, F/SN
Order of tightening : First
Thghtening torque : 6±1 kgf.cm
Screw type : C.B.S TITE SCREW, 3x6, F/SN
Order of tightening : First
Thghtening torque : 6±1 kgf.cm
Screw type : C.B.S TITE SCREW, 3x6, F/SN
Order of tightening : Third
Thghtening torque : 6±1 kgf.cm
Figure 1-6. PS board unit removal
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Part/Unit that should be removed before removing PS board unit
Housing (Right/Left/Frame) / ASF unit / Main board
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Removal procedure
1) Remove three screws for securing PS board unit to main frame, and remove
the unit with pulling toward the backside of the printer.
2) Release one hook of Shield Plate (Upper), and remove four screws for securing
the PS board. Then, remove PS board from Shield plate (Lower).
Disassembly and Assembly
Screw type : C.B.P-TITE SCREW, 3x8, F/SN
Order of tightening : Second
Thghtening torque : 6±1 kgf.cm
Screw type : C.B.S TITE SCREW, 3x6, F/SN
Order of tightening : 4th
Thghtening torque : 6±1 kgf.cm
Screw type : C.B.S TITE SCREW, 3x6, F/SN
Order of tightening : Second
Thghtening torque : 6±1 kgf.cm
Disassembly
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When assembling the PS board to Shield plate (Lower) ,
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Make sure to install the PS board correctly.
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Fasten four screws for securing PS board in the order /
torque indicated in the figure.
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When assembling Shield plate (Upper) to Shield palte
(Lower),
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Make sure to place the Power supply connector cable in
the space between both Shield plates.
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Make sure that Shield Plate (Upper) is correctly
inserted.
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Figure 1-7. Assembling of Shield Plate (Upper)
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When assembling PS board unit to Housing (Lower),
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Make sure to set PS board unit on the protrusion of
Housing (Lower).
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Make sure to connect Power supply connector cable to
the connector (CN2) on main board.
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Fasten two screws for securing PS board unit to the
Housing (Lower) in the order /torque indicated in the
figure.
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When PS board unit is removed or replaced with new one,
the following adjustment must be performed in the order
below.
1) Top margin adjustment
2) PF adjustment
3) 1st dot adjustment
4) CR motor drive torque dispersion measurement
Revision A
19