Epson stylus c64 Benutzerhandbuch
EPSON Stylus C63/64/83/84
Revision A
Disassembly and Assembly
Disassembly
20
1.3.6 CR motor removal
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External view
Figure 1-8. CR motor removal
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Part/Unit that should be removed before removing CR motor
Housing (Right/Left/Frame)
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Removal procedure
1) Release CR lock lever toward the backside of the printer by the tweezer,
and move CR unit from home position to around the ceter of the printer
mechanism.
2) Loosen one screw for securing Stopper holder pulley driven to main frame &
CR timing belt by pushing Driven pulley holder to the right side, and release
CR timing belt carefully from CR motor pinion gear.
3) Disconnect CR motor connector cable from the connector (CN5) on main
board, and release CR motor connector cable from on Holder shaft unit.
4) Remove two screws for securing CR motor while holding the motor by hand.
and move CR unit from home position to around the ceter of the printer
mechanism.
2) Loosen one screw for securing Stopper holder pulley driven to main frame &
CR timing belt by pushing Driven pulley holder to the right side, and release
CR timing belt carefully from CR motor pinion gear.
3) Disconnect CR motor connector cable from the connector (CN5) on main
board, and release CR motor connector cable from on Holder shaft unit.
4) Remove two screws for securing CR motor while holding the motor by hand.
C A U T I O N
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When removing CR motor from main frame, do not damage
the pinion gear of the motor.
the pinion gear of the motor.
CR motor
Stopper holder pulley driven
Screw type : C.P SCREW, 3x4, F/ZN
Order of tightening : First
Thghtening torque : 4±1 kgf.cm
Screw type : C.P SCREW, 3x4, F/ZN
Order of tightening : Second
Thghtening torque : 4±1 kgf.cm
Screw type : C.B.S TITE SCREW(P4), 3x6, F/ZN
Order of tightening : non
Thghtening torque : 8±1 kgf.cm
Holder pulley driven assy.
Compression spring, 20
Stopper holder pulley driven
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When assembling the CR motor to main frame,
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Do not damage CR motor pinion gear with main frame.
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Make sure to connect the CR motor connector cable to
the connector (CN5) on main board.
the connector (CN5) on main board.
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Make sure to place CR motor connector cable to Holder
shaft unit properly.
shaft unit properly.
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Fasten two screws for securing CR motor in the order/
tightening torque indicated in the figure.
tightening torque indicated in the figure.
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Make sure that there is no gap between CR motor and
frame main.
frame main.
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Make sure to set CR motor upward the serial no. of the
motor.
motor.
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Make sure that two dowels of Clamp core is set in home
position direction.
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.
cable are set on Holder shaft unit, and in Clamp core.
A D J U S T M E N T
R E Q U I R E D
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When CR timing belt is removed or replaced with new one,
tension adjustment of CR timing belt must be performed by
the degital tension gauge.
tension adjustment of CR timing belt must be performed by
the degital tension gauge.
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When CR motor 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) Bi-d adjustment
4) Head angular adjustment
5) 1st dot adjustment
6) PW sensor adjustment (Only for SC83/84)
7) CR motor drive torque dispersion measurement
following adjustment must be performed in the order below.
1) Top margin adjustment
2) PF adjustment
3) Bi-d adjustment
4) Head angular adjustment
5) 1st dot adjustment
6) PW sensor adjustment (Only for SC83/84)
7) CR motor drive torque dispersion measurement