Epson Stylus Pro 7600 - UltraChrome Ink Service Manual - Page 254
Procedure For Head Gap Adjustment Uni-d Adjustment
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EPSON Stylus Pro 7600/9600 PROCEDURE FOR HEAD GAP ADJUSTMENT (UNI-D ADJUSTMENT) 1. Start the Self-diagnostic Function: Power OFF → [Paper Feed ∆]+[Paper Feed ∇]+[Cut/Eject] → Power ON 2. Display "Adj: Uni-D": [Paper Feed ∇] → [SelecType >] → [Paper Feed ∇] x11 3. Print the pattern. [SelecType >] →[Enter ↵] when "[Enter] Adjust Print" is displayed (See Figure 5-55) 4. Check the pattern: Make certain that the black lines and color lines are not out of alignment. When they are not out of alignment, leave the head gap adjustment mode by pressing [SelecType >] two times. If they are out of alignment, follow the instructions given below: If out of alignment 1. Select the gap item in question: Select "Gap 240,V1", "Gap 240,V2" or "Gap 190,V4" by means of [Paper Feed ∇] and enter the adjustment menu for the selected item by pressing [SelecType >]. 2. Adjust the color position in question: Select the relevant color by means of [SelecType >], and in consideration of the printed pattern, input the compensation value on the panel. Shift direction (black line as reference): (Compensation setting: in increments of 1/2880 inch) Shift to the right = Input a (+) value Shift to the left = Input a (-) value 3. Check again: Check the pattern output again, and when the lines are in alignment, leave the head gap adjustment mode by pressing [SelecType >] two times. If the lines are out of alignment, repeat inputting a value. CHECK P O IN T Even when you have left the head gap adjustment menu, you can display the menu for an relevant item by means of [SelecType >]. Therefore, there is no need of outputting the comprehensive patterns again. Revision A Color line (- side) Color line (+ side§) Black line Enlarged View Figure 5-55. Print Pattern (Head Gap Adjustment) Adjustment Self-diagnostic Function 254