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mjarbar, we had those same kinds of issues in Calgary.
We have a connected care agreement signed by the customer on day one of the install. They have 30 days full support for the network. Most companies, we will install 5 workstations with drivers. Anything larger, we will do a server side driver install. Command workstation for fiery related installs, along with the associated programs that go with that. There is some legalese on the document to cover that portion.
Anything outside of that 30 days is subject to $90/hr service charge. Some of my peers are a little forgiving, but I am not. I stick to my guns, and usually I ensure the customer is clear on this when the initial install is done. There are many third party IT guys out there who try their hardest not to do their basic jobs out there, its beneath them to install drivers or even properly configure them. Nothing more annoying than having a server side driver installed, and the options had not been configured properly.