T
echnical
B
ulletin
PAGE: 2/2
Model:
Model U-P1 Date: 25-Sep-03 No.: RG071009
SOLUTION
In the field
Replace the development shaft with the spare part (G0704607: Development Shaft - FC).
Note: We estimate the occurrence ratio is very low according to the investigation results in
the factory and by the manufacturer.
In the production line
Temporary solution: From July 17 production
1. Shaft diameters checked to make sure only those within specification are used.
2. Gear rotational torque measured to make sure only those within specification are used.
Permanent:
1) When materials or scratches are detected on the surface, the shaft is not used (no
grinding/polishing).
2) The factory continues to check the parts produced with the temporary countermeasure
above.
Specification: Development Drive Shaft
G0704607
7 mm
384.5
±
0.2 mm
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