Print Process; Print Process Overview - Epson AcuLaser C2600 Service Manual
A4 full color laser printer
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Also See for AcuLaser C2600:
- Owner's manual (473 pages) ,
- Paper jam manual (4 pages) ,
- Setup manual (16 pages)
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EPSON AcuLaser C2600/2600
2.1 Print Process
2.1.1 Print Process Overview
This printer is a full color laser printer that uses the principle of electrophotographic
recording. A color image, which consists of four colors; yellow, magenta, cyan and
black (simply called YMCK from here on), can be printed with the four colors of toner.
The printer creates an image for one color with a corresponding toner on the
photoconductor drum and transfers it on the intermediate transfer belt. The process is
repeated for each color to complete a full-color toner image on the belt, which is finally
transferred on the paper.
The major steps of the print process are described below.
1.
Charging:
Charges the photoconductor drum surface.
2.
Exposure:
A laser beam electrostatically draws images to be printed on
the drum.
3.
Developing:
Develops the image on the drum with toner.
4.
Primary transfer:
Transfers the toner image on the drum to the intermediate
transfer belt.
5.
Discharging:
Discharges the drum surface.
6.
Cleaning:
Removes remnants of toner on the drum.
7.
Repeat:
In the full color mode, steps (1) to (6) are repeated for each
of four colors of toner overlaying them onto the transfer belt
to form a color toner image on the belt. (This step is not
performed in the B/W mode since the mode uses single
(black) toner only.)
8.
Secondary transfer:
Transfers the complete monochrome or color toner image
on the belt to the paper as the paper is pressed against the
belt.
9.
Discharging:
Discharges the paper.
10. Cleaning:
Cleans the belt surface.
11. Fusing:
Fixes the toner image on the paper with heat and pressure.
Operating Principle
Drum
(1) Charging
(2) Exposure
(7) Repeat
(3) Developing
(4) Primary transfer (Drum
(5) Discharging
(6) Cleaning
Figure 2-1. Print Process Overview
Print Process
Belt
Paper
(Secondary transfer roller)
(6) Formation of complete toner image
Belt) (8) Secondary transfer (Drum
(10) Cleaning
(8) Discharging
(11) Fusing
Revision B
Paper)
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