Epson AcuLaser C1900 Service Manual

EPSON AcuLaser C1900/AcuLaser C900 Revision B
Operating Principles Description of Mechanisms 100
2.4.3 Exposure Process
The laser beam from the print head creates an electrostatic latent image on the OPC drum
surface.
SUB SCANNING DIRECTION (VERTICAL SCANNING DIRECTION)
When the printer receives the PRINT signal, the polygon motor (M3) and the main motor
(M1) operate, and paper feeding is started.
Printing in the sub scanning direction is started when the belt location detection sensor is
turned on.
MAIN SCANNING DIRECTION (HORIZONTAL SCANNING DIRECTION)
Upon receiving the SOS sensor signal from the Laser Control Board, the printer starts
printing in the main scanning direction.
PRINTABLE AREA
Figure 2-10 at right shows the printable area in the sub scanning direction and the main
scanning direction.
Figure 2-9. Exposure Control
Figure 2-10. Printable Area
Polygon Motor (M3)
OPC Drum
/HSYNC
/VIDEO
/VIDEO /TOD
Loss width:4 mm
Loss width:4 mm
MAIN SCANNING DIRECTION:208 mm
SUB SCANNING DIRECTION:345 mm
80 ms

Epson AcuLaser C1900 Specifications

General

Color	Yes
Duplex printing	-
Print technology	Laser
Maximum resolution	- DPI
Print speed (black, normal quality, A4/US Letter)	- ppm
Product color	White
Market positioning	Home & office
Maximum duty cycle	35000 pages per month
Total input capacity	- sheets
Maximum ISO A-series paper size	A4
USB connector	USB Type-B
USB 2.0 ports quantity	1
Sound pressure level (printing)	- dB
Power consumption (printing)	- W

Weight and Dimensions

Depth	521 mm
Width	496 mm
Height	526 mm