HP 1102w WiFi Discovery Problem

Hi,
I am using windows 7 (and 8) and i can normally connect to my HP 1102w (Printer is set on Ad-Hoc). 
However, I have an Android tablet (galaxy tab 7.7 p6800) with Android 4.1. This tablet and all other Android smartphones and tablets cann't detect my printer's wifi. It shows nothing!
But it wasn't like this for the first year, I don't know what went wrong, but now no phone or tablet can detect the wifi, only pc does.
Can somebody suggest something?

Hi smahdis,
Welcome back to the HP Support forums, it's been a while since you last posted. I understand that your mobile devices are unable to detect your Laserjet P1102w but your computer can detect it and print to it.
Let's make sure the printer is connected to your wireless network. I have included a document on how to connect the printer to your wireless network. It has a section if you have already installed the full feature driver for your printer onto your computer using a USB cable. Once you have reconnected the printer to your wireless network  let's also make sure that you have the latest firmware installed.  I have included a document on how to do the firmware update.
That should allow your mobile devices to detect the printer when they are connected to the same wireless network that the printer is connected to.
Installing the Printer on a Wireless Network
Getting the Latest Firmware and Product Updates
Regards,
Happytohelp01
Please click on the Thumbs Up on the right to say “Thanks” for helping!
Please click “Accept as Solution ” on the post that solves your issue to help others find the solution.
I work on behalf of HP

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