1-52 Service Manual
4025-XXX
Xerographics
Xerographics and the Print Cycle
The printer xerographics is represented by steps 1 through 5, and steps 7 and 8 of the
print cycle.
The seven Xerographic steps (Step 6 Fuse is not part of the Xerographic cycle) in the
print cycle are:
1. Charge
Places a uniform negative electrostatic charge on the surface of the drum.
2. Expose
A data modulated laser beam scans the drum surface, converting select negative
points to positive points.
3. Develop
Attaches dry toner to the positive points of the drum.
4. Transfer
Transfers the dry toner image from the drum to a piece of paper.
5. Detack
Strips the piece of paper, along with the dry toner image on the paper surface, from
the drum.
6. Clean
Cleans any residual toner from the surface of the drum and prepares the drum for
the next print cycle.
7. Discharge
Cleans any residual electrical charge from the surface of the drum and prepares the
drum for the next print cycle.
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