Epson FX 1170 Service Manual - Page 110
Refer to Repairing the Printer - driver
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REV.-A Flowchart (2) carriage operation abnormal START CN3, 4, 5, 6, 7, 8, 9, and 13 connecting the BOARD ASSY., C094 MAI and the printer mechanism Yes Secure the connectors. problem corrected? coil resistance correct (5 ohms +/- 7 '%. at room v Replace the BOARD ASSY,, C094 MAIN. v Refer to Section 5.5, Repairing the Printer Mechanism. problem corrected? END * END * Note: If any coils in the CR motor are shorted, also test the motor drivers on the BOARD ASSY., C094 MAIN. 5-6
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REV.-A
Flowchart (2) carriage operation abnormal
START
CN3, 4, 5, 6, 7, 8, 9, and 13
connecting the BOARD
ASSY.,
C094
MAI
Secure the connectors.
and the printer mechanism
Yes
problem corrected?
coil resistance correct
(5
ohms +/- 7
‘%.
at room
v
Replace the BOARD
ASSY,,
C094
MAIN.
*
END
problem corrected?
v
Refer to Section 5.5,
Repairing the Printer
Mechanism.
*
END
Note: If any coils in the CR motor
are shorted, also test the
motor drivers on the BOARD
ASSY.,
C094
MAIN.
5-6