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9.2.2. Service Life of Laser Toner Cartridge
Service life of the laser toner cartridge depends on the amount of toner that print jobs require.
When the printer LED indicator shows the status in the following figure, it indicates that the laser
toner cartridge life has expired and needs to be replaced.
9.2.3. Replace Laser Toner Cartridge
before replacing the laser toner cartridge, please pay attention to the following:
• The laser toner cartridge surface may contain toner. Please remove it carefully to avoid
spilling.
• Put the removed laser toner cartridge on a piece of paper to avoid the toner from
accidently spilling.
• After removing the protective cover, please immediately install the laser toner cartridge
into the printer, so as to avoid photosensitive drum damage caused by exposing to too
much direct sunlight or indoor light.
• While installing the laser toner cartridge, do not touch the surface of the photosensitive
drum so as not to scratch it.
Replacement steps are as follows:
1. Open the upper cover, and remove the empty laser toner cartridge along the guides.
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