Ricoh V-C3 D081, Field Service Manual, Page: 615 / 1092

No. Component Function
MC2 Toner Pump Clutch: M
Engages the and drives the Magenta toner pump to pull toner
from the Magenta STC.
MC3 Toner Supply Clutch: M
Engages the toner supply coils in the sub hopper of the
Magenta PCU to send toner to the development unit below.
MC4 Toner Pump Clutch : K
Engages the and drives the Black toner pump to pull toner from
the Black STC.
MC5 Toner Supply Clutch : K
Engages the toner supply coils in the sub hopper of the Black
PCU to send toner to the development unit below.
MC6 Toner Pump Clutch: Y
Engages the drive shaft and rotor of the Yellow toner pump to
pull toner from the Yellow STC when more toner is needed.
MC7 Toner Supply Clutch: Y
Engages the toner supply coils in the sub hopper of the Yellow
PCU to send toner to the development unit below.
MC8 Toner Pump Clutch: C
Engages the and drives the Cyan toner pump to pull toner from
the Cyan STC.
MC9 Toner Supply Clutch: C
Engages the toner supply coils in the sub hopper of the Cyan
PCU to send toner to the development unit below.
PCBs
No. Component Function
PCB1 PFB (Paper Feed Board) Controls paper trays and paper feed.
PCB2 AC Drive Board
Controls the power supply to the fusing lamps, heaters, and
PSU.
PCB3 PSU (Power Supply Unit)
Supplies DC current to the machine and contains the AC
drive that controls the fusing lamp power supply.
PCB4 DRB (Drive Board)
Contains the circuits for the stepping motors that drive the
printer engine, and distributes electrical power to all other
PCBs.
PCB5
Power Pack: Development
Bias Supplies the voltage for the bias applied to the developer
in the PCUs by the development rollers.
PCB6 Power Pack: Charge
Supplies the voltage for the charge applied to the OPC
drums by the charge roller.
Specifications
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