Ricoh SP 8400DN Field Service Manual page 1069

developer.
13. Reassemble the PCU and development unit.
14. Turn on the main power switch.
The machine detects the new developer and starts the initial adjustment.
Development Filters
•
Before replacing the development filters, set SP3-701-025 to "1" and turn the main power switch OFF.
•
If you have to turn the power on again before replacing the part, execute the SP again before replacing
the part.
•
After replacing the development filters, turn the main power switch ON.
•
If you replace the development filter together with developer, first replace the developer, then replace
the filters.
1.
Remove the development unit. (PCU/Development Unit)
4.Replacement and Adjustment
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