参考视频
注意事项
此升级固件方法仅适用于固件版本V1.4.0以上的机型
操作步骤
1.
将固件复制到U盘
![](https://saas.bk-cdn.com/t/c45e7f57-b66a-4f11-895e-906d83ec6b4d/u/61080e13-b61c-4b20-a5e8-053c8a8234b4/1710929715824/1%281%29.png)
2.
将U盘插入打印机,按照图中步骤操作升级固件
![](https://saas.bk-cdn.com/t/c45e7f57-b66a-4f11-895e-906d83ec6b4d/u/61080e13-b61c-4b20-a5e8-053c8a8234b4/1710929733818/2%281%29.png)
![](https://saas.bk-cdn.com/t/c45e7f57-b66a-4f11-895e-906d83ec6b4d/u/61080e13-b61c-4b20-a5e8-053c8a8234b4/1710928992253/image.png)
![](https://saas.bk-cdn.com/t/c45e7f57-b66a-4f11-895e-906d83ec6b4d/u/61080e13-b61c-4b20-a5e8-053c8a8234b4/1710929007326/image.png)
![](https://saas.bk-cdn.com/t/c45e7f57-b66a-4f11-895e-906d83ec6b4d/u/61080e13-b61c-4b20-a5e8-053c8a8234b4/1710929051323/image.png)
![](https://saas.bk-cdn.com/t/c45e7f57-b66a-4f11-895e-906d83ec6b4d/u/61080e13-b61c-4b20-a5e8-053c8a8234b4/1710929060271/image.png)
![](https://saas.bk-cdn.com/t/c45e7f57-b66a-4f11-895e-906d83ec6b4d/u/61080e13-b61c-4b20-a5e8-053c8a8234b4/1710929064975/image.png)
3.
等待升级后重启
![](https://saas.bk-cdn.com/t/c45e7f57-b66a-4f11-895e-906d83ec6b4d/u/61080e13-b61c-4b20-a5e8-053c8a8234b4/1710929762040/3%281%29.png)
![](https://saas.bk-cdn.com/t/c45e7f57-b66a-4f11-895e-906d83ec6b4d/u/61080e13-b61c-4b20-a5e8-053c8a8234b4/1710929769378/4%281%29.png)
![](https://saas.bk-cdn.com/t/c45e7f57-b66a-4f11-895e-906d83ec6b4d/u/61080e13-b61c-4b20-a5e8-053c8a8234b4/1710929790522/5%281%29.png)
4.
关闭打印机电源
![](https://saas.bk-cdn.com/t/c45e7f57-b66a-4f11-895e-906d83ec6b4d/u/61080e13-b61c-4b20-a5e8-053c8a8234b4/1710929814098/6%281%29.png)
5.
拔掉U盘,关机等待10秒后再重新开机
![](https://saas.bk-cdn.com/t/c45e7f57-b66a-4f11-895e-906d83ec6b4d/u/61080e13-b61c-4b20-a5e8-053c8a8234b4/1710929833874/7%281%29.png)
6.
开启打印机电源,查看是否更新完毕即可
![](https://saas.bk-cdn.com/t/c45e7f57-b66a-4f11-895e-906d83ec6b4d/u/61080e13-b61c-4b20-a5e8-053c8a8234b4/1710929842532/8%281%29.png)
![](https://saas.bk-cdn.com/t/c45e7f57-b66a-4f11-895e-906d83ec6b4d/u/61080e13-b61c-4b20-a5e8-053c8a8234b4/1710929853517/9%281%29.png)
![](https://saas.bk-cdn.com/t/c45e7f57-b66a-4f11-895e-906d83ec6b4d/u/61080e13-b61c-4b20-a5e8-053c8a8234b4/1710929178812/image.png)
![](https://saas.bk-cdn.com/t/c45e7f57-b66a-4f11-895e-906d83ec6b4d/u/61080e13-b61c-4b20-a5e8-053c8a8234b4/1710929207269/image.png)
![](https://saas.bk-cdn.com/t/c45e7f57-b66a-4f11-895e-906d83ec6b4d/u/61080e13-b61c-4b20-a5e8-053c8a8234b4/1710929868119/10%281%29.png)