代码C7904 京瓷MA2100 M5521 M5021
<div align="center" style="color: rgb(0, 0, 0); font-family: Arial; font-size: 19.2px;"><u>故障对应流程图</u><br><br>C7904: 感光鼓单元Y EEPROM错误<br>1.读/写数据的时候，设备连续无响应5ms或以上5次。<br>2.两部分读取的数据连续8次不一致。<br>3.写入数据和读取数据连续8次不一致。<br></div><p style="color: rgb(0, 0, 0); font-family: Arial; font-size: 19.2px;"></p><p style="color: rgb(0, 0, 0); font-family: Arial; font-size: 19.2px;"></p><div align="center" style="color: rgb(0, 0, 0); font-family: Arial; font-size: 19.2px;"><u><font size="6.0em"></font><p id="output"><font size="6.0em"></font></p></u><font color="blue" size="5">选择以下标签</font><br><br><div id="button-b" style="width: 350px; border-style: ridge; border-width: 2px; border-color: rgb(255, 255, 255); border-radius: 15px; background-color: rgb(223, 221, 221); padding: 5px 10px; font-size: 1em; line-height: 1.3; color: rgb(0, 0, 85);"><h3 style="color: rgb(255, 0, 0); font-size: 1.2em; margin-top: 2px; margin-bottom: 2px;">重新打开主电源</h3>关闭电源开关，拔下电源线。5秒钟后重新连接电源线并打开电源开关。<br></div><img src="https://www.kdcntech.cn/html/IT%20Channel/images/arrow043_10.gif" width="20px" alt="arrow"><br><div id="button-b" style="width: 350px; border-style: ridge; border-width: 2px; border-color: rgb(255, 255, 255); border-radius: 15px; background-color: rgb(223, 221, 221); padding: 5px 10px; font-size: 1em; line-height: 1.3; color: rgb(0, 0, 85);"><h3 style="color: rgb(255, 0, 0); font-size: 1.2em; margin-top: 2px; margin-bottom: 2px;">检查连接情况</h3>插入鼓单元Y，并重新连接接头.当下列连接线没有导通性，更换它们. 鼓单元Y与单元中继电路板单元中继电路板与主/驱动板<br></div><img src="https://www.kdcntech.cn/html/IT%20Channel/images/arrow043_10.gif" width="20px" alt="arrow"><br><div id="button-b" style="width: 350px; border-style: ridge; border-width: 2px; border-color: rgb(255, 255, 255); border-radius: 15px; background-color: rgb(223, 221, 221); padding: 5px 10px; font-size: 1em; line-height: 1.3; color: rgb(0, 0, 85);"><h3 style="color: rgb(255, 0, 0); font-size: 1.2em; margin-top: 2px; margin-bottom: 2px;">更换鼓单元</h3>更换感光鼓单元Y。<br></div><img src="https://www.kdcntech.cn/html/IT%20Channel/images/arrow043_10.gif" width="20px" alt="arrow"><br><div id="button-b" style="width: 350px; border-style: ridge; border-width: 2px; border-color: rgb(255, 255, 255); border-radius: 15px; background-color: rgb(223, 221, 221); padding: 5px 10px; font-size: 1em; line-height: 1.3; color: rgb(0, 0, 85);"><h3 style="color: rgb(255, 0, 0); font-size: 1.2em; margin-top: 2px; margin-bottom: 2px;">更换中继板单元</h3>更换墨粉盒中继电路板<br></div><img src="https://www.kdcntech.cn/html/IT%20Channel/images/arrow043_10.gif" width="20px" alt="arrow"><br><div id="button-b" style="width: 350px; border-style: ridge; border-width: 2px; border-color: rgb(255, 255, 255); border-radius: 15px; background-color: rgb(223, 221, 221); padding: 5px 10px; font-size: 1em; line-height: 1.3; color: rgb(0, 0, 85);"><h3 style="color: rgb(255, 0, 0); font-size: 1.2em; margin-top: 2px; margin-bottom: 2px;">固件升级</h3>将引擎固件升级到最新版本。<br></div><img src="https://www.kdcntech.cn/html/IT%20Channel/images/arrow043_10.gif" width="20px" alt="arrow"><br><div id="button-b" style="width: 350px; border-style: ridge; border-width: 2px; border-color: rgb(255, 255, 255); border-radius: 15px; background-color: rgb(223, 221, 221); padding: 5px 10px; font-size: 1em; line-height: 1.3; color: rgb(0, 0, 85);"><h3 style="color: rgb(255, 0, 0); font-size: 1.2em; margin-top: 2px; margin-bottom: 2px;">更换主/驱动板</h3>更换主板/驱动板PWB。<br></div><img src="https://www.kdcntech.cn/html/IT%20Channel/images/arrow043_10.gif" width="20px" alt="arrow"><br>END</div><p></p>
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