Brother HL-2140 - Manual (Page 20)

Consumables
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Consumables
When the time comes to replace consumable items, an error will be indicated by the LED’s on the control panel.
For more information about the consumables for your printer, visit us at http://solutions.brother.com or contact your
local Brother reseller.
See Chapter 5 of the User's Guide on the CD-ROM.
Toner cartridge Drum unit