c7300ECOSYS P3155dn

Kyocera P3155dn Error C7300: Toner Failure

The Kyocera P3155dn error C7300 is a system warning indicating issues in the toner transport motor. This code often triggers when the printer does not receive sufficient material from the cartridge to the developer unit. A simple check of the toner installation is the first recommended action.

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Common causes

  • 1Improperly installed toner that doesn't contact the mechanism.
  • 2Obstruction in the toner transport tube.
  • 3Electronic failure in the cartridge spin motor.
  • 4Low-quality toner that compacts inside the hopper.

Solutions

Quick Diagnosis

The C7300 indicates that the toner supply sensor does not detect the flow of material after several mixing attempts.

Step-by-Step Solution

  1. Reinstallation: Remove the toner cartridge, gently shake it, and reinsert it.
  2. Verification: Ensure the protective seal of the cartridge has been completely removed.
  3. Reset: Turn the machine off and on to initiate a new supply cycle.

Maintenance and Prevention

Always use original Kyocera toner, as compatible versions may have a different particle density that blocks sensors.

When to Call a Technician

If the C7300 error persists after replacing the toner, the cartridge motor or gear system may be damaged.

Device Technical Specs

  • Technology: Monochrome Laser
  • Speed: 55 ppm
  • Consumable: TK-3160
  • Support: Kyocera Support.

Frequently asked questions

It indicates an error in the toner supply motor; the system does not detect toner passing correctly to the developer.

First, verify that the toner cartridge is properly seated and the waste bin is not full.

TK-3160/3190 toner and the developer unit.

If the message persists after installing a new toner, there may be a clutch failure in the toner drive.

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