Ricoh SP 8400DN Field Service Manual page 1066

4.Replacement and Adjustment
6.
Remove the development side seal and development case entrance seal [A] at each end.
7. Lift up the development sleeve unit [A].
•
Do not touch or hold the development sleeve edge [A] when holding the sleeve unit. Otherwise, it
may cause an injury.
8.
Remove the developer after turning the development unit upside down in the reverse direction of the
development filter.
•
Rotate the gear to remove as much toner as you can.
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