This printer follows EN55022 (CISPR Publication 22)/Class B.
Before you use this product, make sure that you use one of the following interface cables.
| 1. | A shielded parallel interface cable with twisted-pair conductors and that it is marked IEEE 1284 compliant (HL-4050CDN / HL-4070CDW only). |
| 2. | A USB cable. |
The cable must not be more than 2 meters long.
