Print Process Sequence - Epson EPL-N2700 Service Manual

EPSON EPL-N2700 / N2750

2.1.5.1 Print Process Sequence

The print process sequence is as shown in the following figure.
For details, See Section 2.1.5.1
- Scanning the image data
- Paper feeding
Developing the image data
Transfer the image data
Operating Principles
Polygon motor ON The polygon motor in the printhead unit starts turning.
- Charge bias, developer bias, seal bias and transfer bias voltages are applied
Starting processing
- The I/C (Imaging Cartridge) drive motor (M1) starts turning.
- The transport motor (M2) starts turning.
Paper feeding
- The paper take-up solenoid turns ON to feed paper.
Laser emission
A laser beam is emitted at constant power.
- A laser beam is scanned on the surface of the PC drum to produce an latent image.
- Upon the timing roller front sensor (PC2)detects the presence of paper, the timing
clutch turns ON to turn the timing roller for feeding paper.
Toner is applied to the PC drum to produce a visible toner image.
The toner image on the surface of the PC drum is transferred to the paper.
Fusing the toner
The toner is permanently fixed onto the paper.
The paper is ejected.
Paper ejection
Figure 2-20. Print Process Sequence
Printer Mechanism Operating Principles
Revision B
76