Brother HL-4000CN - Manual (Page 45)

3-3
Internal View
23 24 25
26 27
<Cover open with button A> <Cover open with button B>
No. Name Description
23 Transfer roll cartridge Transfers the image created on the print head surface to the paper and
collects used toner.
24 Print Head Cartridge Consists of a light-sensitive print head, developer, and a transfer roller.
Images are initially created as an electrical charge on the surface of this
drum.
25 Paper outlet cover Open to replace the print head cartridge and fuser unit.
26 Paper rotator With duplex printing, it turns the paper over after the front side has been
printed.
27 Fuser Cartridge Uses heat to fuse the toner to the paper. The fuser unit gets very hot
during printing. Do not touch. Touching the fuser cartridge can cause
burns.
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