Brother HL-4200CN User Manual page 13

Wiring Information (For U.K. only)
Important
If you need to replace the plug fuse, fit a fuse that is approved by ASTA to BS1362 with the same rating as the
original fuse.
Always replace the fuse cover. Never use a plug that does not have a cover.
Warning - This printer must be earthed.
The wires in the mains lead are coloured in line with the following code:
Green and Yellow:
Blue:
Brown:
If in any doubt, call a qualified electrician.
Earth
Neutral
Live
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