Phaser 6128MFP Service Manual 2-3
Theory of Operation
Printing Process
The print process consists of the following steps:
1. Charging – The Drum surfaces are charged with electricity.
2. Exposure – The Drums are exposed to laser beams.
3. Development – Image is developed with toner.
4. Transfer (Drum ---> Paper) – Four color finished toner image on the Drums is
transferred onto the paper.
5. Imaging Unit – Excess toner is removed from the Drum and BCR.
6. Excess Toner Collection – Excess toner is moved to the collection box.
7. Fusing – The Fuser applies toner on to paper using heat and pressure.
s6128mfp-002
Exit Roller (Fuser)
Heat Roller (Fuser)
Exit Pinch Roller (Fuser)
Fuser Belt (Fuser)
BTR (Printer)
PHD
Drive Roller (Printer)
Fuser
BTR (Printer)
BTR (Printer)
BTR (Printer)
Drum (PHD)
BCR Cleaner Roller (PHD) Magnet Roller (PHD)
BCR (PHD)
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