Dell 3000cn Color Laser Printer - Manual (Page 186)

Storage 70.9275 Kpa
Chemical Emission
Concentration of ozone 0.019 mg/m 3
Cables
Your interconnection cable must meet the following requirements:
Connection
Cable certification
1 Parallel (IEEE 1284)
2 USB USB2.0
3 10/100Base-Tx Ethernet CAT-5E