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2-2-9. Door open/close operation failure
The door open/close operation
failure occurs.
Is the harness connecting CN1101
on the MA-195 board and CN202
on the SE-1142 board connected
correctly?
Yes
When the door open/close operation
is performed, is the voltage at pin 2 of
CN1101 on the MA-195 board or the
voltage at pin 2 of CN601 on the
SE-1142 board changed to approx.
0 V/approx. 3.3 V?
Yes
Replace the MA-195 board.
(Refer to Section 3-1.)
2-12 (E)
Measure the signal voltage using the oscilloscope and so forth with no printing paper loaded in the tray.
Check the connection of the
harness. If the symptom persists,
No
replace the defective harness.
(Refer to Section 5.)
No
Replace the SE-1142 board.
(Refer to Section 3-3.)
UP-D898MD/X898MD
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