Ricoh SP 8400DN Field Service Manual page 1060

4.Replacement and Adjustment
Installing a PCU
1.
Disassemble the PCDU into PCU and development unit
2. Replace the used PCU with a new one.
3.
Reassemble the PCDU.
Installing a Development Unit
1.
Disassemble the PCDU into PCU and development unit
2. Replace the used development unit with a new one.
3.
Reassemble the PCDU.
4.
Remove the cap [A].
•
Attach the removed cap to the used development unit.
5.
Attach the development unit to the main machine.
6. Pull out the heat seal [A].
OPC Drum
•
Before replacing the OPC drum, set SP3-701-021 to "1" and turn off the main power switch.
•
If you have to turn the power on again before replacing the part, execute the SP again before replacing
the part.
•
After replacing the OPC drum, turn on the main power on.
1.
Remove the PCU.
322
(PCU/Development Unit)
(PCU/Development Unit).
(PCU/Development Unit).