Toshiba e-STUDIO556 Service Manual page 670

Multifunctional digital systems

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[Procedure 3]

Is the paper pushing plate motor clock sensor (PI1S) working normally?

Is the paper pushing plate motor (M8S) operating at the fixed timing?

YES  Replace the saddle stitcher controller PC board.

Is there any problem with the pushing plate drive mechanism?

YES  Fix the mechanism.

Is the problem solved by replacing the paper pushing plate motor (M8S)?

[CBA0] Stitch motor (front) abnormality

[CBB0] Stitch motor (rear) abnormality

Are the front and rear stitchers and their stands installed properly?

Are the stitcher home position switches (MS7S/MS5S) on the front and rear stitchers

working normally?

Are the front and rear stitchers operating at the fixed timing?

Check the wiring between the stitcher and saddle stitcher controller PC board. If there is no

problem, replace the controller PC board.

e-STUDIO556/656/756/856/557/657/757/857

ERROR CODE AND TROUBLESHOOTING

Replace the sensor.

Replace the saddle stitcher controller PC board.

Install them properly.

Replace the front or rear stitcher.