Brother HL 1240 - B/W Laser Printer Service Manual page 276

Follow these steps to replace the drum unit. You can also view the drum unit
replacement method in the instructional video on the supplied CD-ROM:




1.
Open the front cover of the printer and pull out the drum unit assembly.
Fig. 3-13 Removing the drum unit assembly
!
Caution
Do not touch the electrodes shown below to prevent damage to the printer caused by
static electricity.
Fig. 3-14 Electrodes
3-10