• Code: C380
• Description: Auto-toner sensor-K abnormality (upper limit)
• Causes: Auto toner sensor Harness LGC board Developer material
• Remedy: 1 Developer unit • Check if the developer unit is installed properly. • Check that the developer unit and coupling on the equipment side are properly engaged. • Check that the mixer of the developer unit is rotated. • Check if the developer material is too dark visually. • Check if the amount of the developer material is too large or too small. • Remove any toner or dust on the ATC sensor connector and the drawer connector of the process cover. • Remove any toner or dust on the EPU sensor connector and the drawer connector on the equipment side. 2 Auto toner sensor - Equipment Harness - LGC board • Check the connectors and harnesses between the auto toner sensor and LGC board (CN365). • Remove any foreign matter such as toner in the connector of the auto toner sensor.

Product Description

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Toshiba 4555c Manual

Toshiba E Studio 4555c User Manual

• Extremely compact multifunctional colour system
• Reliable productivity of up to 45 pages per minute
• Excellent print quality and brilliant images
• State-of-the-art document security thanks to Toshiba Secure HDD
• Low power consumption and long-lasting toner