Epson Stylus Pro 9500 Service Manual page 177

EPSON Stylus Pro 9500
ADJ BI-D
This function adjusts the Bi-D print position for both printheads. The printer
prints a test pattern in both directions (toward the HP and away from the
HP), and lines that do not line up vertically indicate the heads need Bi-D
adjustment. The Bi-D adjust items are shown in the table below.
Table 5-6. Bi-D Adjust Items
Item
BiD/200/M/B Bi-D adjustment/240cps/Normal-dot/B head
BiD/200/M/C Bi-D adjustment/240cps/Normal-dot/C head
BiD/300/M/B Bi-D adjustment/333cps/Normal-dot/B head
BiD/300/M/C Bi-D adjustment/333cps/Normal-dot/C head
NOTE: The numbers in the above table show the number of the
printing adjustment pattern printed out initially when printing
the adjustment patterns. By pressing the Paper Source
button, select "Check: Adjustments," then press the Enter
button.
1. Display "Adj: Bi-d" , then press the Enter button.
2. The message "Pattern printing" will be displayed in the LCD and the Bi-D
adjustment patterns will be printed out.
3. When all four Bi-D adjustment patterns have been printed, the message
"BI-D, 200. M. B: XXX" will be displayed in the LCD.
4. Check printing patterns No. 1 to No. 3, confirming if the vertical lines in the
first pass deviate from the vertical lines printed in the second pass.
o If there is no pattern deviation in printing patterns No. 1 to No. 3, press the
Paper Source button 3 times and proceed to the printing pattern No. 4
adjustment menu. (Proceed to Step 9.) Confirm that "Bi-D, 300. N. C" is
displayed in the LCD.
o
If there is pattern deviation in printing patterns No. 1 to No. 3, press the
Paper Source button several times to proceed to the adjustment menu for
the affected pattern, then press the Paper Feed + or – button to input the
appropriate numerical value. After inputting the correction value, press the
Adjustment
Description Number
Enter button. The printer will then print out the pattern with the results of
the input correction value. The relationship between the inputs using the
Paper Feed + or – button and the printing results is as shown below.
n Adjustment Value Minimum Resolution: 1/2880 inch
n
Correction Direction:
n
Adjustment Target:
1
2
3
4
Printed lines in the second pass.
Figure 5-6. Bi-D Adjustment Patterns No. 1 ~ No. 3.
5. Repeat the above steps 2 and 3 in order to carry out the adjustment of Bi-D
printing patterns No. 1 to No. 3.
6. Select "ND Base Value Adjust xx" by pressing the Paper Source Button.
Check the results of printing Bi-D adjustment pattern No. 4 and check
whether the following patterns exist in the 8 patterns each of light cyan,
light magenta and yellow. The pattern No. of each pattern is printed in
hexadecimal notation beneath it.
Adjustment Steps
Paper Feed – button = Moves the line on the
2nd pass toward the HP side.
Paper Feed + button = Moves the line on the
2nd pass away from the HP .
There should be no deviation between the
lines on the first pass and the lines on the 2nd
pass.
Printed lines in the first pass.
Revision A
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