Drum Unit and Development Unit
The new drum unit has a front cover and a front joint. When you attach the new drum unit to the development
unit, remove a front cover and a front joint at first.
And use them for reassembling the new drum unit and development unit.
1. If you install a new drum unit, set SP 3902-xxx to "1".
• Black: 3902-009
• Yellow: 3902-010
• Cyan: 3902-011
• Magenta: 3902-012
• If you do this, then the machine will reset the PM counter for the drum unit automatically, after
you turn the power on again.
2. Turn the machine power off.
3. PCU (*p.198 "PCU")
4. Front cover [A] ( x 2)
Image Creation
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