Epson Stylus Pro 9000 Service Manual - Page 119

B Head Slant/C Head Slant Adjustment (Head Angle), x Slant Check End

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EPSON Stylus Pro 9000 B HEAD SLANT/C HEAD SLANT ADJUSTMENT (HEAD ANGLE) This function prints a check pattern that lets you adjust each printhead straight up-and-down. If the pattern shows staggered or uneven lines, the printhead is misaligned. Use the printhead's adjusting lever as shown in Figure 5-5 to straighten it out. 1. Make sure "Adj: x Head Slant" appears on the LCD, and press the Enter button (x = B or C depending on the printhead). 2. Load paper if not already loaded. 3. The check pattern prints and "x Slant Check End" (x = B or C head) appears in the LCD. Compare the printed pattern with the illustration below. Press Enter if the adjustment is correct like the top rows shown below. If the adjustment is incorrect, open the front cover, release the carriage lock by hand, and move the carriage away from home position. Loosen the screw securing the head that is printing at a slant, and then move the Head Adjust Lever left or right depending on the slant direction. Tighten the screw and print another test pattern to check the adjustment. Magenta Black OK Head B check pattern Bad Light Magenta Light Cyan Head C check pattern OK Bad 4. After adjusting both heads, move the carriage back to the capping position by hand and close the front cover. Make sure "x Slant Check End" appears, and press Enter to conclude the adjustment. Printing Pattern Check the pattern for offset lines and change the adjust lever position if necessary. x Slant Check End [Enter] [SelecType]/[Paper Source] Print Adj. Pattern Check other head/end adjustment Adjust Lever (one in front of each printhead) Figure 5-5. Printhead Skew Adjust Lever Adjustments 119

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EPSON Stylus Pro 9000
Adjustments
119
B HEAD SLANT/C HEAD SLANT ADJUSTMENT (HEAD ANGLE)
This function prints a check pattern that lets you adjust each printhead straight
up-and-down. If the pattern shows staggered or uneven lines, the printhead is
misaligned. Use the printhead’s adjusting lever as shown in
Figure 5-5
to
straighten it out.
1.
Make sure "Adj: x Head Slant" appears on the LCD, and press the Enter
button (x = B or C depending on the printhead).
2.
Load paper if not already loaded.
3.
The check pattern prints and "x Slant Check End" (x = B or C head)
appears in the LCD. Compare the printed pattern with the illustration
below.
Press Enter if the adjustment is correct like the top rows shown below.
If the adjustment is incorrect, open the front cover, release the carriage
lock by hand, and move the carriage away from home position. Loosen
the screw securing the head that is printing at a slant, and then move
the Head Adjust Lever left or right depending on the slant direction.
Tighten the screw and print another test pattern to check the
adjustment.
4.
After adjusting both heads, move the carriage back to the capping position
by hand and close the front cover. Make sure "x Slant Check End"
appears, and press Enter to conclude the adjustment.
Figure 5-5.
Printhead Skew Adjust Lever
OK
Bad
Magenta
Black
OK
Bad
Light
Magenta
Light
Cyan
Head B check
pattern
Head C check
pattern
Printing Pattern
Check the pattern for offset lines
and change the adjust lever
position if necessary.
x Slant Check End
Print Adj. Pattern
[Enter]
[SelecType]/[Paper Source]
Check other
head/end
adjustment
Adjust Lever
(one in front of each printhead)