They obviously want to make you happy, so will not recommend someone who will not fit into your culture You interview, negotiate and hire the right candidate. Unless you hired for a high management position, you will need to train your employees. Training can be as basic or as complex as the skill levels of your employees. Many vendors will come into your office and give seminars. You can also set up trips to their plants for tours.
Many industry associations hold classes.
In the New York area, I know the AGC and the Print Production Club have seminars for print production people. Look into the industry associations in your area. Rochester Institute of Technology also has many seminars. They range from one day to three days and delve into the mechanics of the printing industry. Many other colleges also hold classes.