If HP Officejet 4655 Printer does not print after loading a software upgrade, then try the following troubleshooting techniques to resolve this issue. Try to reset the print environment by removing the power cord when the 123.hp.com/oj4655 printer is turned on. Allow it to be idle for the next sixty seconds and connect the power cord back to the printer.

Make sure that you connect the power cord to the wall outlet. Do not connect it to a surge protector or UPS supply. After plugging it back, the printer will turn on automatically. Turn on the 123.hp.com/oj4655 printer manually if it fails to turn on automatically. Check the printer status and if it continues to malfunction, then go to control panel of the computer.

Select devices and 123.hp.com/oj4655 printer, and remove other connected devices from it. Press Win key and R together to open the run window. Type printui.exe/s to open the printer service properties. Remove other printers from the list. Download and install the Printer Driver from HP website and select the printer model. Select the printer series and click on download driver. Makes sure that you download the latest printer driver to eliminate minor issues with the printer functions.