canon imaggerunner E520 sub code 8001

 E520
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Title : E520 sub code 8001
Error :The pick up roller will move towards the rear and start to vibrate, then the E520 is generated with the sub code 8001.

Workaround :
Replacing the offset motor resolved the E520 - 8001.

M4 Offset Motor
Part number 4K1-4053-000