Brother HL-3140CW User Manual page 118

Routine Maintenance
IMPORTANT
• We recommend that you place the toner cartridge and drum unit assembly 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 machine from static electricity, DO NOT touch the electrodes shown in the
illustration.
d
Push down the green lock lever and take the toner cartridge out of the drum unit.
4
112