Asf Unit Removal - Epson C63, C64, C83, C84 Service Manual

EPSON Stylus C63/64/83/84

1.3.2 ASF unit removal

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External view
Screw type : C.B.P-TITE, 3x8, F/SN
Order of tightening : Third
Thghtening torque : 6±1 kgf.cm
Screw type : C.B.S SCREW, 3x6, F/SN
Order of tightening : First
Thghtening torque : 8±1 kgf.cm
ASF unit (Backside)
2
1
Compression spring 1.88
1
Paper return lever
Figure 1-3. ASF unit removal
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Part/Unit that should be removed before removing ASF unit
Housing (Right/Left/Frame)
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Removal procedure
1) Remove three screws for securing ASF unit to main frame, and remove the unit
with pulling up slightly to the backside of the printer.
2) Release left protrusion of Hopper by pulling its bottom toward the front side,
and remove Hopper from ASF frame.
Disassembly and Assembly
Screw type : C.B.S-TITE (P4), 3x6, F/SN
Order of tightening : Second
Thghtening torque : 8±1 kgf.cm
Ribs of ASF frame
1
This marking is
1
dowel/latched
position and the
order of assembling.
2
Extension spring 0.585
2
3) Release Extension spring 0.585 for Paper return lever, and remove the lever
with releasing two protrusions.
4) Release Compression spring 1.88 for Returd roller unit, and turn the roller unit
until it is free.
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When assembling ASF unit,
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When assembling ASF unit to main frame,
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When you replace ASF unit with new one, lubricate it with
the suitable amount of G-26 grease by the specified position.
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When ASF unit is removed or replaced with new one, the
following adjustment must be performed in the order below.
1) Top margin adjustment
2) 1st dot adjustment
Disassembly
Make sure to latch Extension spring 0.585 for Paper
return lever & Compression spring 1.88 for Returd
roller unit in the order indicated in the figure, and to set
Expression spring 0.585 between ribs of ASF frame.
Make sure that Paper return lever & Returd roller unit
move smoothly.
Do not touch returd roller and cork on Hopper.
Hook two dowels for securing Paper return lever to ASF
frame in the order incicated in the figure.
Make sure to install Compression spring 2.53 for
Hopper correctly.
Make sure that Hopper moves smoothly.
Make sure to set ASF unit with the flat surface of LD
roller up.
Fasten three screws for securing ASF unit in the order/
tightening torque indicated in the figure.
Make sure that there is no gap between ASF unit and
Shield plate (upper) of PS board unit.
Revision A
14