• Code: SC350-4
• Description: ID Sensor Error 4 Definition [D] One of the following ID sensor output voltages is detected at ID sensor initialization. 1) Vsg < 4.0 V when the maximum PWM input (255) is applied to the ID sensor. 2) Vsg>=4.0 V when the minimum PWM input (0) is applied to the ID sensor.
• Causes: · ID sensor defective · ID sensor connector defective · Poor ID sensor connector connection · I/O board (IOB) defective · High voltage supply board defective · Dirty ID sensor · Defect at the ID sensor pattern writing area of the drum

• Code: SC350-5
• Description: ID Sensor Error 5 Definition [D] Vsg falls out of the adjustment target (4.0 ± 0.2 V) during Vsg checking
• Causes: · ID sensor defective · ID sensor connector defective · Poor ID sensor connector connection · I/O board (IOB) defective · High voltage supply board defective · Dirty ID sensor · Defect at the ID sensor pattern writing area of the drum

• Code: SC361
• Description: Hard Disk Drive Error Definition [B] The image data stored in the HDD cannot be output properly.
• Causes: NOTE: If the error was caused by a temporary condition, this problem will be solved after turning the main switch off and on. · HDD defective

• Code: SC362
• Description: IMAC (Image Compression IC) Error Definition [B] An error occurs during image processing in the IMAC, which handles image compression and image data transmission.
• Causes: · BICU defective

• Code: SC365
• Description: Image Storage Address Error Definition [B] The BICU receives an image data output request signal for data that is not stored in memory.
• Causes: · BICU defective

• Code: SC390-1
• Description: TD Sensor Error 1 Definition [B] The TD sensor output voltage is less than 0.5 V or more than 4.0 V 10 times consecutively during printing.
• Causes: · TD sensor abnormal · Poor connection between the TD sensor and the I/O board (IOB) · I/O board (IOB) defective

• Code: SC390-2
• Description: TD Sensor Error 2 Definition [B] The TD sensor output voltage is less than 1.8 V or more than 4.8 V during TD sensor initial setting.
• Causes: · TD sensor abnormal · No developer in the development unit

• Code: SC391
• Description: Development Bias Leak Definition [B] A development bias leak signal is detected.
• Causes: · Poor connection between the development bias terminal and the high voltage supply board · High voltage supply board defective