Ricoh SP 8400DN Field Service Manual page 1058

Ricoh a3 size black and white laser printer.

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4.Replacement and Adjustment

PCU/Development Unit

Before Replacing the PCU or Development Unit

Before replacing the PCU, set SP3-701-002 (Manual New Unit Set: PCU) to "1" and turn off the main

power switch. After replacing the PCU, turn on the main power.

Before replacing the development unit, set SP3-701-023 (Manual New Unit Set: Development Unit) to

"1" and turn off the main power switch. After replacing the development unit, turn on the main power.

Replacement Procedure

Remove the PCDU. (PCDU)

Remove the face plates [A] [B].

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