Most problems we see come after years of use or abuse. Its all a matter of how well you take care of your printer. There are three main culprits. The number one problem with printers. Even the cleanest office has dust.
Paper comes with it's own dust and even the largest toner particles are the size of dust.
Add these together in your printer with heat and you get a microscopic muck that sticks to everything. We've seen printers that were set up in a tight space failing within a couple of months. Watch for the vents on your printer and make sure there is several inches of space for air to flow. Also, watch where your printer is located, if you're right under an air vent, or near window and doors, your printer will act like a magnet for dust. Your fuser assembly generate a lot of heat.