Brother HL HL-3070CW User Manual page 142

b
Take out a drum unit and toner cartridge assembly.
IMPORTANT
• We recommend that you place the drum unit and toner cartridge assembly on a clean, flat surface with a
sheet of disposable paper or cloth 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.
Routine Maintenance
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