Toshiba EPU-FC330-K Process Unit 6LL15845300 Black for e-STUDIO 330AC 400AC

Black Imaging Assembly for e-STUDIO Colour MFPs

The Toshiba EPU-FC330-K process unit is the black imaging assembly for Toshiba e-STUDIO 330AC and 400AC colour multifunction printers. Toshiba lists the part as 6LL15845300. The unit combines the photoconductor drum, developer station and charge hardware in one replaceable housing.

The process unit meters toner onto the drum and transfers the developed image onward to the intermediate belt. A sealed housing contains the developer mix during handling and removal. Guide rails align the unit on the main frame, and a locking lever secures it without a gap-setting step.

Fitment covers the e-STUDIO 330AC and 400AC only. Confirm the model plate against the parts list before ordering. The machine tracks process unit life through its service counter, so technicians reset the counter after fitting. Toshiba documents the removal sequence in the model service manual.

Inspect the assembly when black output loses density, when background fog appears, or when the machine logs an imaging fault. A worn drum layer and a depleted developer mix produce both symptoms. The unit ships sealed, so store it flat and away from direct sunlight until the service visit.

Key Features

• Integrated Imaging Assembly
  The housing carries the drum, developer station and charge hardware as one serviceable part.

• Drum and Developer in One Unit

  • Photoconductor drum fitted inside the housing
  • Developer station with metering roller
  • Charge hardware aligned at the factory

• Guide-Rail Mounting
  Alignment rails seat the assembly on the main frame, and one lever locks it in place.

• Sealed Developer Path
  The housing contains the developer mix during transport, fitting and disposal.

• Service Counter Reset
  Technicians reset the process unit counter in service mode after replacement.

• Model Coverage

  • e-STUDIO 330AC colour MFP
  • e-STUDIO 400AC colour MFP
  • Confirm the model plate against the parts list

Specifications

What’s in the Box

• One EPU-FC330-K black process unit, 6LL15845300

• Protective packaging

Why Choose the EPU-FC330-K

• A single black process unit restores drum, developer and charge behaviour in one service visit.

• The sealed housing keeps developer mix contained, which shortens cleanup after removal.

• Guide-rail seating removes gap-setting steps from the replacement procedure.

• One part number covers both the e-STUDIO 330AC and 400AC chassis.

• Genuine Toshiba supply keeps drum charge and developer bias within design tolerance.

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