You might encounter the error "The computer is unable to establish two-way communication with the device" when trying to view estimated ink levels from the HP Printer Toolbox.
Here are the simple steps that I performed for my printer to overcome this error.
1. Click start, settings, printers and faxes.
2. Right-click Deskjet 5550c and select Properties.
3. Click the "Ports" tab.
4. Check mark the "Enable Bidirectional Support" option.
5. Under print to following ports option, check mark the USB00X (X=0, 1, 2..) Virtual
printer port for USB HP deskjet 5550c.
6. Click OK.
Aleternatively, you can check the solutions published solution1, Solution2 but this does not help as I do not use any of the mentioned antivirus programs, A third-party firewall program is blocking the HP PML Driver service. Unblock the service by following the instructions for your firewall program below.
Thanks!!
HP Answers
Here are the simple steps that I performed for my printer to overcome this error.
1. Click start, settings, printers and faxes.
2. Right-click Deskjet 5550c and select Properties.
3. Click the "Ports" tab.
4. Check mark the "Enable Bidirectional Support" option.
5. Under print to following ports option, check mark the USB00X (X=0, 1, 2..) Virtual
printer port for USB HP deskjet 5550c.
6. Click OK.
Aleternatively, you can check the solutions published solution1, Solution2 but this does not help as I do not use any of the mentioned antivirus programs, A third-party firewall program is blocking the HP PML Driver service. Unblock the service by following the instructions for your firewall program below.
Thanks!!
HP Answers
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