Toshiba D-FC556-K Developer Unit – Black, 520,000 Pages for e-STUDIO 5506AC/6506AC

Black Developer Station for e-STUDIO Colour MFPs

The Toshiba D-FC556-K developer is the black developer unit for the e-STUDIO 5506AC, 6506AC and 7506AC colour multifunction printers. It supplies charged carrier to the black imaging station. Toshiba rates the assembly at approximately 520,000 prints at 5 percent coverage.

The unit ships as a complete black developer station with carrier pre-filled. Toshiba part codes cover D-FC556-K, DFC556K, 6LK43607300, 6AG00007628 and PS-ZDFC556K. The assembly weighs about 410 g and fits the developer housing without adapters or shims. Colour machines use separate developer units per station.

Replace the developer when black density falls or background scatter appears on text. The printer tracks developer life and raises a warning before end of life. Fit the new unit, then run the automatic developer set-up routine from the service menu. Confirm density on a test chart before returning the machine to service.

Store the sealed unit away from light and heat. Open the packaging only at fitment. Handle the assembly by its frame and keep the magnetic roller clear of metal tools. Dispose of the spent unit through the local Toshiba take-back route.

Key Features

• Complete Black Developer Station
  The unit arrives pre-filled with carrier and ready for installation.

• OEM Toshiba Build
  Toshiba manufactures the assembly for the 5506AC and 6506AC engine family.

• High Service Interval
  The assembly carries a rated life of approximately 520,000 prints at 5 percent coverage.

• Multi-Code Identification

  • D-FC556-K and DFC556K order codes
  • 6LK43607300 and 6AG00007628 part numbers
  • PS-ZDFC556K packaging reference

• Direct Housing Fit
  The unit seats in the developer housing without adapters.

• Sealed Transport Packaging
  Light-proof packaging protects the carrier until fitment.

Specifications

What’s in the Box

• One black developer unit with carrier pre-filled

• Protective light-proof packaging

• Installation note

Why Choose This Developer Assembly

• The pre-filled carrier removes mixing and priming steps at installation.

• OEM construction matches the engine’s carrier-to-toner ratio.

• The 520,000-print interval reduces service calls on high-volume fleets.

• Separate colour stations let technicians replace only the worn unit.

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