Brother HL-2070N - Manual (Page 99)

Appendix (For Europe and Other Countries)
B - 2
B
Important information: Regulations
Radio interference (220 to 240 volt model only)
This printer follows EN55022 (CISPR Publication 22)/Class B.
Before you use this product, make sure that you use the following interface cables.
1. A shielded parallel interface cable with twisted-pair conductors and that it is marked "IEEE 1284 compliant".
2. A USB cable.
The cable must not be more than 2 meters long.