For resolving HP printer error 0x6100004a you have to try the procedure given below. This error occurs because of some trouble in the printer.
Reset the printer:
This is the first and foremost step you have to do. Power off the printer and wait
Now detach the power cord
Disconnect the adapter
After powering off everything then again power on
If the problem is still present continue with the next step.
Get your HP Printer issues fixed with the help of our HP Customer support team @ +1-888-214-1820