美能达6000/7000报错代码C-2221，C2221解决方法
美能达6000/7000报错代码C-2221，C2221解决方法
Cause
1st transfer belt abnormality
Resolution
Clean contacts on back of transfer belt section. Clean process unit, run gamma auto adj and color registration adj. 苏州美能达打印机维修站电话696l6769，企业一站式服务，上门维修，耗材配送
Cause
1st transfer belt abnormality
Resolution
Clean contacts on back of transfer belt section. Clean process unit, run gamma auto adj and color registration adj. 苏州美能达打印机维修站电话696l6769，企业一站式服务，上门维修，耗材配送
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