What do you usually do when your printer requires maintenance beyond a run-of-the mill paper jam or cartridge replacement? Call the manufacturer or a third-party service provider? Try to do it yourself? Sit at your desk moping?

What do you usually do when your printer requires maintenance beyond a run-of-the mill paper jam or cartridge replacement?
Call the manufacturer or a third-party service provider?
Try to do it yourself?
Sit at your desk moping?