Epson Stylus Pro 9500 Service Manual page 147

EPSON Stylus Pro 9500
3. After all the adjustment patterns (#5, #6) are printed, "Gap, 200, M: XXX"
will be displayed in the LCD.
Black Vertical Lines
This pattern has
no relation to the
Gap adjustment.
Figure 4-108. Head Gap Adjustment Pattern
4. Check printing patterns No. 5 and No. 6, and check for deviation of the
black vertical lines in the 1st and 3rd pass and in the light cyan vertical
lines in the 2nd pass.
o If there is no deviation in the patterns in printing patterns No. 5 and
No. 6, press the [Paper Source] button 2 times, then check if the
message "Gap End." is displayed in the LCD. Proceed to Step 6.
o If there is deviation in the patterns in printing patterns No. 5 or No. 6,
press the [Paper Source] button to move to the corresponding
pattern adjustment menu, then input the appropriate numerical
values using the [Paper Feed + / – ] buttons. After inputting the
correction value, press the [Enter] button to print the results of the
input correction values. The relationship between the inputs using
the [Paper Feed + / – ] buttons and the printing results is as shown
below.
n
Adjustment value minimum resolution:1/2880 Inch
n Correction Direction: Paper Feed – Button = Moves the black
lines in the 1st and 3rd passes toward the
HP side.
Paper Feed + Button = Moves the black lines
in the 1st and 3rd pass away from the HP
side.
Disassembly & Assembly
Light Cyan Vertical Lines
Disassembly Flow
n Adjustment Target:
There should be no deviation in the black
lines and the light cyan lines.
5. Repeat the above steps 3 and 4 until the adjustment of patterns No. 5 and
No. 6 is completed.
6. After confirming that "GAP End." is displayed in the LCD, execute the final
check items.
Revision A
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