Epson Stylus Color 1520 Service Manual

EPSON Stylus COLOR 1520
Rev. A
2-
2
2.2.2 Printing Mechanism
The printing method used for this printer is On-demand ink jet, same as for other EPSON ink jet printers.
The new method used for the printhead enables the printer to produce output in high quality at a higher
speed. The printing mechanism has 2 parts: ink cartridge and printhead. The ink cartridge is filled with
ink.
2.2.2.1 Printhead Structure
The printhead for this printer has the black head and color head. The structures of the printheads are
basically the same except for the nozzle configuration. The black head, used for the black ink only, is
composed of 128 nozzles (32 nozzles for each of 4 rows) The color head, composed of 3 heads for
Magenta, Cyan, and Yellow, has 64 nozzles (32 nozzles for each of 2 rows) for each color.
Printhead Driver Circuit Board
To the ink cartridge.
Piezo
Cavity
Nozzle
Nozzle Plate
Figure 2-2. Printhead Structure

Epson Stylus Color 1520 Specifications

General

Color	Yes
Maximum resolution	600 x 1200 DPI
Print speed (black, normal quality, A4/US Letter)	- ppm
Maximum input capacity	100 sheets
Envelopes sizes	10, C5, DL
Standard media sizes	4\
Paper tray media types	Envelopes, Labels, Plain paper
Non-ISO print media sizes	Legal
ISO A-series sizes (A0...A9)	A4
ISO B-series sizes (B0...B9)	B5
Power requirements	120V AC, 50/60 Hz
Printing noise level	45 dB
Maximum operating temperature range (T-T)	-20 - 60 °C
Market positioning	Home & office