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e-STUDIO350/352/353/450/452/453
TROUBLESHOOTING
5 - 77
5
[CB81] Flash ROM abnormality
[CB90] Saddle stitcher paper pushing plate motor abnormality
[CBA0] Saddle stitcher stitch motor (front) abnormality
[CBB0] Saddle stitcher stitch motor (rear) abnormality
[CBC0] Saddle stitcher alignment motor abnormality
MJ-1101
Is the error recovered when the power of the equipment is turned OFF and then back ON?
È
Æ
YES End.
NO
1) Check if the conductor pattern on the finisher controller PC board is open circuited or short
circuited.
2) Replace the finisher control PC board.
MJ-1024
Are the paper pushing plate home position sensor (PI14), paper pushing plate top position
sensor (PI15) and paper pushing plate motor clock sensor (PI1) working normally?
È
NO
Æ
Replace the sensor.
YES
Is the paper pushing plate drive mechanism normal?
È
NO
Æ
Fix the mechanism.
YES
1) Replace the paper pushing plate motor (M8).
2) Replace the saddle stitcher controller PC board.
MJ-1024
Are the front and rear stitchers and their stands installed properly?
È
NO
Æ
Install them properly.
YES
Are the stitcher home position switches (SW7/SW5) on the front and rear stitchers and stitcher
motors (M7/M6) working normally?
È
NO
Æ
Replace the front or rear stitcher.
YES
Replace the saddle stitcher controller PC board.
MJ-1024
Is the alignment plate home position sensor (PI5) working normally?
È
NO
Æ
Replace the sensor.
YES
Is the alignment plate drive mechanism normal?
È
NO
Æ
Fix the mechanism.
YES
1) Replace the alignment motor (M5).
2) Replace the saddle stitcher controller PC board.
06/01