Brother HL-4200CN - 2 Flow of Print Data; Data Flow

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2. FLOW OF PRINT DATA
2.1 Data Flow
Print data (electric signal) from the printer controller flows as shown below to turn to the
print image finally.
Host (electric signal)
Printer controller (electric signal)
MCU HL-4200 (electric signal)
Scanner ASSY (laser beams)
Electrostatic latent on drum
(invisible image)
Toner image on drum
Toner image on intermediate transfer unit
(IDT1)
Toner image on intermediate transfer unit
(IDT2)
Toner image on paper
Print image on paper
Fig.3-24