Ricoh V-C3 Technical Training Manual page 348

! The OPC and development unit must be
separated for servicing.
! The K PCU is different from the other PCUs.
! A sheet is packed with each new PCU to explain
the SP codes to do after you replace a PCU.
! There is no special tool to lock the drum shaft at
the front end in order to remove the drum motor.
Slide 348
No additional notes
Replacement - General
" Do not install a K PCU in the Y, M, or C position.
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V-C3 Training