Konica Minolta DV-313K Developing Unit - Black - A7U403D

The Original Konica Minolta DV-313K Black Developing Unit is a high-performance component designed...

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Product Information

Full details

The Konica Minolta DV-313K Black Developing Unit (A7U403D) is designed for professional high-volume office environments that require consistent, high-quality black-and-white print output. It serves as a critical component for maintaining print density and reliability in compatible Bizhub multi-function printers, offering an impressive lifespan of up to 600,000 pages. While it provides exceptional durability and reduces maintenance frequency, it requires precise installation to ensure optimal performance and avoid image quality issues.

All features

ColourBlack
Model Part NumberA7U403D
BrandKonica Minolta

Extended Product Information

FAQs

Which printer models are compatible with the DV-313K?

This unit is compatible with the Konica Minolta Bizhub C 368, C 308, and C 258.

What is the page yield of this developing unit?

The unit is rated for an estimated yield of 600,000 pages.

Is this a genuine Konica Minolta part?

Yes, this is an original Konica Minolta developing unit, identified by the MPN A7U403D.

How often should I replace the developing unit?

Replacement is generally indicated by the printer's internal counter or when print quality begins to show consistent defects despite proper maintenance.

Does this include the toner cartridge?

No, the developing unit is a separate component from the toner cartridge and must be installed independently.

Troubleshooting

Vertical streaks or light spots on prints

Check if the developing unit is seated correctly and inspect the magnetic roller for any debris or foreign objects.

Printer displays 'Developer Unit' error message

Ensure the connector pins are fully engaged and the unit is locked firmly into place; restart the machine to clear the error.

Pros and Cons

Pros

  • High page yield of 600,000 pages
  • Genuine OEM quality ensures printer longevity
  • Consistent print density for high-volume tasks
  • Reduces frequency of service calls

Cons

  • Requires professional or careful installation
  • Compatible only with specific Bizhub models
  • Higher initial cost compared to generic alternatives

Setup, Compatibility & Care

This unit is compatible with the Konica Minolta Bizhub C 368, C 308, and C 258. When installing, ensure the printer is powered down and that the internal drum area is free of debris. Always handle the developing unit by the provided handles to avoid touching the magnetic rollers, as oils from human skin can affect printing performance. Regular inspection of the printer's internal cleanliness is recommended every time a developing unit is replaced to prevent contamination of the new component.