Printing Process; Outline Of Printing Process - Dell 3010CN Service Manual

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1. Printing process

1.1 Outline of printing process

This device is a "Full color laser printer" that uses the principle of the electro photographic
recording system. There are 4 color toners "Yellow, magenta, Cyan, Black (hereinafter Y, M, C, K)"
and a drum that forms a toner image inside the device. It forms a toner image on the drum for each
color and transfers the formed toner image on the drum to the Belt (intermediate transfer Belt). It
can produce a full color print by overlapping the colors on the Belt.
The printing process of this device is composed of the basic steps shown below.
1 Charge:
2 Exposure:
3 Development:
4 1st transfer:
5 Cleaning:
6 Repeating:
7 2nd transfer:
8 Neutralization: Removes charge from paper.
9 Cleaning:
Fixing:
6Repeating
Charges the surface of drum.
Exposes the image part with a laser beam.
Develops image part using toner.
Transfers the toner image on the drum to the belt.
Cleans the drum.
Repeats the procedure of 1 to 5 for each toner in full color mode.
Transfers the toner image on the belt to paper.
Cleans the belt.
Fixes toner on the paper using heat and pressure.
Drum
1Charge
2Exposure
3Development
41st transfer (drum to belt)
5Cleaning
Belt (Intermediate
transfer Belt)
6Forming complete
toner image
72nd transfer (belt to paper)
9Cleaning
6 - 1
Chapter 6 Principle s of O peration
Paper
8Neutralization
Fixing
Leg_Sec06_001FA

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