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Freddy M.
Freddy M., Support Specialist
Category: Computer
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Experience:  Years of experience in the IT field and in customer support.
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We have a Dell 3100cn. Got error message 004-321 and it says

Customer Question

We have a Dell 3100cn. Got error message 004-321 and it says to reseat the drum. Tried, bought new drum; same message
Submitted: 8 years ago.
Category: Computer
Expert:  Freddy M. replied 8 years ago.
If you know how to remove the top cover from your drum unit, you can check the alignment of the roller arms. The key is that the roller arms MUST BE mounted flat against the inside wall of the drum unit. If not, the roller arm will not be positioned correctly, allowing the IBT belt to wander. There are photos of the roller arms in the link below.

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