
ii
内部机密
4.4.1 无法接收数据......................................................................................................... 2-76
4.5 网络的故障排除 ................................................................................................................. 2-77
4.5.1 无法通过网络连接进行打印 ................................................................................... 2-77
4.5.2 无法连接到访问节点 .............................................................................................. 2-77
4.6 控制面板的故障排除 .......................................................................................................... 2-77
4.6.1 LCD无显示 ............................................................................................................ 2-77
4.6.2 LED无显示............................................................................................................. 2-78
4.6.3 控制面板无法操作.................................................................................................. 2-78
4.7 墨粉和硒鼓的故障排除....................................................................................................... 2-79
4.7.1 无法检测到新墨粉.................................................................................................. 2-79
4.7.2 无法检测到墨粉盒.................................................................................................. 2-79
4.7.3 更换墨粉盒的提示不消失....................................................................................... 2-79
4.7.4 硒鼓出错 ................................................................................................................ 2-80
4.7.5 更换硒鼓的提示不消失 .......................................................................................... 2-80
4.8 定影单元的故障排除 .......................................................................................................... 2-80
4.8.1 定影单元故障......................................................................................................... 2-80
4.9 激光单元的故障排除 .......................................................................................................... 2-81
4.9.1 激光单元故障......................................................................................................... 2-81
4.10 电路板的故障排除.............................................................................................................. 2-81
4.10.1 主板故障 ................................................................................................................ 2-81
4.10.2 内存已满 ................................................................................................................ 2-81
4.11 其他问题的故障排除 .......................................................................................................... 2-82
4.11.1 无法打印 ................................................................................................................ 2-82
4.11.2 固件程序不能升级.................................................................................................. 2-82
第 3 章 拆卸与重新安装
1. 维修操作前的注意事项.................................................................................................................. 3-1
2. 包装............................................................................................................................................... 3-2
3. 螺丝目录 ....................................................................................................................................... 3-3
4. 紧固扭矩列表 ................................................................................................................................ 3-4
5. 润滑............................................................................................................................................... 3-7
6. 齿轮的配置图 ................................................................................................................................ 3-9
7. 插线路径 ..................................................................................................................................... 3-11
8. 拆卸流程图.................................................................................................................................. 3-17
8.1 设备 ................................................................................................................................... 3-17
8.2 低位纸盒 (LT)................................................................................................................. 3-19
9. 拆卸步骤 ..................................................................................................................................... 3-20
9.1 准备工作 ............................................................................................................................ 3-20
9.2 纸盒 ................................................................................................................................... 3-21
9.3 后盖/外斜槽........................................................................................................................ 3-23
9.4 定影单元盖......................................................................................................................... 3-24