Epson 7600 Print Head, Relationship between Nozzle Rows and Colors, Ink Type Nozzle Row Color

EPSON Stylus Pro 7600/9600 Revision A

PRINT HEAD

Stylus Pro 7600/9600 employs a single print head which incorporates both functions for black and color. (The preceding model has two print heads, namely, head B and head C.)

The print head incorporates a thermistor. According to the temperature around the head detected by the thermistor, the CPU on the Main Board controls the ink discharge speed and the amount of ink to be discharged.

† Printing method:		On-demand ink-jet
† Nozzle configuration:		96 nozzles x 7 rows = 672 nozzles
		(See Figure 2-3for nozzle arrangement.)
„	Black:	192 nozzles (96 nozzles for each of Black1 and Black2)
„	Color:	480 nozzles (96 nozzles for each of cyan, magenta,
		light cyan, light magenta and yellow)
„	Nozzle pitch:	0.141mm (1/180 inch) for each color

Table 2-2. Relationship between Nozzle Rows and Colors

Ink Type	Nozzle Row	Color
Pigment	A	Photo Black or Matte Black
	B	Gray or Matte Black
	C	C
	D	Lc
	E	M
	F	Lm
	G	Y
Dye	A	Bk
	B	Bk
	C	C
	D	Lc
	E	M
	F	Lm
	G	Y

						Paper Feed Direction
A Row	B Row	C Row	D Row	E Row	F Row	G Row

Carriage Moving Direction

Figure 2-3. Nozzle Arrangement

†Drive waveform:

There are three printing modes (drive waveforms) for each of use of pigment ink and use of dye ink.

Table 2-3. Printing Modes (Drive Waveforms)

Ink Type	Waveform	Ink Discharged	Drive Frequency	Print Resolution	CR Speed
	Name	(ng)
	VSD1	13.8-27.6-41.5	8.64 KHz	H360 x V360	240 CPS
				H720 x V360
Pigment ink	VSD2	4.5-9.5-23.0	8.64 KHz	H720 x V720	240 CPS
				H1440 x V720
	VSD4	4.5	2 shots at 6.84 KHz	H2880 x V1440	190 CPS

Operating Principles Print Mechanism Components 105