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EPSON Stylus Pro 7600/9600 Revision A
Adjustment Self-diagnostic Function 253
5.2.3.18 Head Gap Adjustment (Uni-D Adjustment)
Correct the print position for one-way printing.
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.
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.
Adjustment resolution: 8.8 µm
Adjustable range: ± 62 step adjustment possible
Pattern drawing method:
360dpi, Uni-D, 240CPS, VSD1, Large (240V1 selected)
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”.
Figure 5-54. Menu Transition for Uni-D Adjustment
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
C H E C K
P O I N T
The adjustment is not required for any of #1, #8 and #15, which are
black lines.
Gap 240, V1
??
Gap 240, V2
??
Gap 190, V4
??
Gap End
??
240V1 Y :
?0
Value with +/- can be set in pulses
1 pulse is equivalent to 1/2880”
240V1 LK :
?0
240V1 C :
?0
240V1 LC :
?0
240V1 M :
?0
240V1 LM :
?0
[Enter]
[SelecType]
[SelecType]
[SelecType]
[SelecType]
[SelecType]
[Enter] Adjust Print
Printing Pattern
Printing end
[Pause]
[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”