Brother HL-4040CDN - Manual (Page 167)

Troubleshooting
158
7
CAUTION
Hold the green handles of the drum unit when you carry it. DO NOT hold the sides of the drum unit.
We recommend that you place the drum unit on a clean, flat surface with a piece of disposable paper
underneath it in case you accidentally spill or scatter toner.
To prevent damage to the printer from static electricity, DO NOT touch the electrodes shown in the
illustration.
d
Pull out the jammed paper slowly.