Dear all
The firmware is Corrupted
Please follow the Steps below
1- You need to download the F.W
For WorkCentre 7845/7855 From here For WorkCentre 7830/7835 From here
2- You need to download the preload patch from here
3- You must use usb flash drive 4 GB and I prefer to be Empty of any data
Now you have to
After you done the Altboot upgrade process
You have to install the patch using the web interface
1- Open new web browser
2- Type the your machine IP address http://xxx.xxx.x.xxx
3- Install the Pre-load.dlm patch using manual upgrade from the index windows
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