Flow Of Print Data; Data Flow - Epson AcuLaser C1100 Service Manual

EPSON AcuLaser C1100

2.2 Flow of Print Data

2.2.1 Data Flow

Print data (electric signals) from the Printer Controller follows the flow shown below
to become a print image.
Host (electric signal)
Printer controller (electric signal)
ROS ASSY (laser beam)
Electrostatic latent image on drum
(invisible image)
Toner image on drum (toner image)
Toner image on Belt (secondary transfer roller)
Toner image on paper
Print image on paper
Figure 2-17. Overview of Producing Print Image
OPERATING PRINCIPLES
Leg_Sec06_033FA
Flow of Print Data
<Reference> Formation of 2-D print image:
One line of the dot image is formed by turning the laser beam from the laser diode
ON and OFF in accordance with the electric signals (VIDEO signal: expresses the
image data by voltage levels) from the printer controller.
A single-color image (2-D dot image) is completed by performing the above
operation repeatedly over the entire surface of the image. To obtain a full color
image, formation of 2-D dot images is performed for each of the four colors.
Resolution is determined as follows:
•
Main direction
•
Sub direction
Figure 2-18. Formation of 2-D Print Image
Revision B
: dots/inch
: Lines/inch
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