佳能S300维修模式

A、关机.按住RESUME键,按住POWER键开机,绿灯亮.
B、在按住POWER键时,松开RESUME键,然后按RESUME键2次,松开POWER键,(按住PESUME键时指示灯绿/黄闪烁)
C、初始化操作时,绿灯闪烁,绿灯亮后,根据下表RESUME键.
D、按POWER键,执行.
按键次数:               指示灯:                            维修模式功能:
1次                    黄灯亮                              出厂检测打印
2次                    绿灯亮                              EEPROM信息打印
5次                    黄灯亮                              目标设置
6次                    绿灯亮                              PTH值打印