"The remote computer or device will not accept connection". It may be that after the operating system of computer B is upgraded, the system will default to a new disconnected state.To solve this problem, first open the system service menu and check the "Allow remote connections". If it is prohibited, check it as "Start".Then, open the network settings again, and reset the shared items of the LAN computer according to the webpage prompts.After all settings are completed, restart the computer, and the shared printing will resume.
The simplest way to reconnect is to open a folder at random and enter the LAN IP of computer (A) in the address bar in the format (//10.10. * *. * *).Connect the printer
First, c and D can be printed normally.It can be said that there is no problem with A and the printer.Now the focus is on the computer B.It may be caused by personal reasons.It is suggested that you delete the driver and restart the computer to search for a new printer.Install the drive again. As for what you said, you can ping, because you can ping in a LAN as long as the line is OK and there is no VLAN partition. I think this is a driving problem.You can try!There are further questions we are communicating.