To control the quality of the printing and packaging that accompanies its musical instrument accessories, D'Addario relies on its in-plant.

Using a Memjet-powered printer, the D'Addario in-plant is capable of variable data envelope printing. The shop also has wide-format print capabilities using an Epson Stylus Pro 7600 roll-fed inkjet printer, as well as a Gandi Innovations 4x8-foot flatbed UV inkjet printer. Additionally, it has a Pitney Bowes variable data addressing/mailing machine.