Customer has a 420i with Hi-Cap drawer, getting C1100 errors, left side of drawer 3 raises so high that the drawer cannot be opened, can only open after removing lift motor on left side. Have swapped lift motors, problem remains on left side. Have replaced PWB on drawer, checked sensors. After replacing sensor by left feed section, unit will work as long as it has paper on left side (throws code if empty). Advice?
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