Unable to connect to LAN printer how to connect LAN printer solution

One office three computers, connected by a router, share a Lenovo Lj3650dn printer. The printer is installed in host A, shared to Host B and host C.
Symptom (s): Host C has not been able to print documents through a shared printer for the last few days, prompting no printer connections.
First troubleshoot the host settings, on Host A view of the printer sharing settings, no problem. Then test the printing of a document on Host B, and no problem.
It seems that the problem is probably on the mainframe C. Reboot host C, invalid. Restarting the router is invalid.
See if Host C can access host A, host A's LAN address 192.168.1.114
Start--run, enter//192.168.1.114

As expected, the visit is not through, it seems that the network has been a problem. Lenovo to the elder sister said a few days ago with 360 off a lot of things, I think will be related to the
The service has been turned off.
To the Control Panel-the service below, the Server service and the Computer browser two services were not started. Start two services, reboot the computer, and connect
Printer, print a test document, normal, the problem is resolved.