Toshiba e-STUDIO205L Service Handbook page 491

[CBA0] Stitch motor (front) abnormality
[CBB0] Stitch motor (rear) abnormality
MJ-1024
Are the front and rear stitchers and their stands installed properly?
NO Install them properly.
YES
Are the stitcher home position switches (SW7/SW5) and stitcher motors (M7/M6) on the front
and rear stitchers working normally?
NO Replace the front or rear stitcher.
YES
Replace the saddle stitcher controller PC board.
[CBC0] Alignment motor abnormality
MJ-1024
Is the alignment plate home position sensor (PI5) working normally?
NO Replace the sensor.
YES
Is the alignment plate drive mechanism normal?
NO Fix the mechanism.
YES
1. Replace the alignment motor (M5).
2. Replace the saddle stitcher controller PC board.
[CBD0] Guide motor abnormality
MJ-1024
Is the guide home position sensor (PI13) working normally?
NO Replace the sensor.
YES
Is the guide plate drive mechanism normal?
NO Fix the mechanism.
YES
1. Replacing the guide motor (M3).
2. Replace the saddle stitcher controller PC board.
[CBE0] Paper folding motor abnormality
MJ-1024
Are the paper folding motor clock sensor (PI4) and paper folding home position sensor (PI21)
working normally?
NO Replace the sensors.
YES
Is the paper folding roller drive mechanism normal?
NO Fix the mechanism.
YES
1. Replacing the paper folding motor (M2).
2. Replace the saddle stitcher controller PC board.
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