![OKI | "A sensor error occurred in the image drum" (Error: 540, 541, 542, 543) or "Image Drum Sensor Error"(MC853, MC873, MC883) OKI | "A sensor error occurred in the image drum" (Error: 540, 541, 542, 543) or "Image Drum Sensor Error"(MC853, MC873, MC883)](https://okiprinting-ja.custhelp.com/euf/assets/images/answers/ID7263/ID7263_ScanOpen.png)
OKI | "A sensor error occurred in the image drum" (Error: 540, 541, 542, 543) or "Image Drum Sensor Error"(MC853, MC873, MC883)
![OKI | "A sensor error occurred in the image drum" (Error: 540, 541, 542, 543) or "Image Drum Sensor Error"(MC853, MC873, MC883) OKI | "A sensor error occurred in the image drum" (Error: 540, 541, 542, 543) or "Image Drum Sensor Error"(MC853, MC873, MC883)](https://okiprinting-ja.custhelp.com/euf/assets/images/answers/ID7263/ID7263_FrontClose.png)
OKI | "A sensor error occurred in the image drum" (Error: 540, 541, 542, 543) or "Image Drum Sensor Error"(MC853, MC873, MC883)
![OKI | "A sensor error occurred in the image drum" (Error: 540, 541, 542, 543) or "Image Drum Sensor Error"(MC853, MC873, MC883) OKI | "A sensor error occurred in the image drum" (Error: 540, 541, 542, 543) or "Image Drum Sensor Error"(MC853, MC873, MC883)](https://okiprinting-ja.custhelp.com/euf/assets/images/answers/ID7263/ID7263_TopOpen.png)