Epson 7600 Head Gap Adjustment Uni-D Adjustment, Correct the print position for one-way printing

EPSON Stylus Pro 7600/9600 Revision A

5.2.3.18 Head Gap Adjustment (Uni-D Adjustment)

Correct the print position for one-way printing.

[Enter] Adjust Print

Make adjustments of “240CPS VSD1”, “240CPS VSD2” and “190CPS VSD4” for each color.

Store the adjustment values for each line of nozzles (18 kinds of values) in the Flash ROM.

[Enter]

Printing Pattern

[Pause]

For adjustment, conduct Uni-D printing and from the print results, input the compensation value.

The menu transition for Uni-D adjustment and print patterns are shown below.

Table 5-23. Head Gap Adjustment Items

Item	Contents
Gap 240,V1	Uni-D Adjustment 240CPS VSD1
Gap 240,V2	Uni-D Adjustment 240CPS VSD2
Gap 190,V4	Uni-D Adjustment 190CPS VSD4

„Adjustment resolution: 8.8 ∝m

„Adjustable range: ± 62 step adjustment possible

„Pattern drawing method:

360dpi, Uni-D, 240CPS, VSD1, Large (240V1 selected)

Printing end

Gap 240, V1
?	?
Gap 240, V2
?	?
Gap 190, V4
?	?
Gap End
?	?

360dpi, Uni-D, 240CPS, VSD2, Large (240V2 selected) 360dpi, Uni-D, 190CPS, VSD4, Large (190V4 selected)

„Press the [Enter] key after inputting the adjusted values and pattern number, and the pattern will be printed only when updated values have been input. When the values have not been updated, the display will change to the next input screen.

„When the [Enter] key is pressed with “Gap End” displayed, the display changes to “Adj: Feed Adj.+T&B”.

CHECK	The adjustment is not required for any of #1, #8 and #15, which are
POINT	black lines.

240V1 LK :

?0

[SelecType]

240V1 C :

?0

[SelecType]

240V1 LC :

?0 [SelecType]

240V1 M :

?0 [SelecType]

240V1 LM :

?0 [SelecType]

240V1 Y :

?0

[SelecType]

Value with +/- can be set in pulses

1 pulse is equivalent to 1/2880”

Value with +/- can be set in pulses 1 pulse is equivalent to 1/2880”

Value with +/- can be set in pulses 1 pulse is equivalent to 1/2880”

Value with +/- can be set in pulses 1 pulse is equivalent to 1/2880”

Value with +/- can be set in pulses 1 pulse is equivalent to 1/2880”

Value with +/- can be set in pulses 1 pulse is equivalent to 1/2880”

Figure 5-54. Menu Transition for Uni-D Adjustment

Adjustment Self-diagnostic Function 253