Suddenly my printer power button not working and an orange light and a blue light are lightenin.

[Niyamul123490]

Picture telling  the story.   

[Riddle_Decipher]

@Niyamul123490 Lets start with power reset as per HP standards, here's how we recommend doing it:

• Turn the printer on, if it is not already on.
• Wait until the printer is idle and silent before you continue.
• With the printer turned on, disconnect the power cord from the rear of the printer.
• Unplug the power cord from the wall outlet.
• Wait at least 60 seconds.
• Plug the power cord back into the wall outlet.
  • NOTE: 
  • HP recommends connecting the printer power cord directly to the wall outlet.
• Reconnect the power cord to the rear of the printer.
• Turn on the printer, if it does not automatically turn on.
• Wait until the printer is idle and silent before you proceed.

If the issue persists, please upgrade the printer firmware:

click here for different ways of getting this done using a computer among others.

P.S: Welcome to HP Community 😉

Let me know how that pans out,

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That said, I will have someone follow-up on this to ensure you've been helped,

Just in case you don't get back to us, 

have a good day, ahead.