Ead Angular Adjustment - Epson Stylus Color 600 Service Manual

4.2.2.4 ead Angular Adjustment

The head angular means the angle at which the printhead unit installed on the carriage assembly against
the carriage movement direction and the printhead must be parallel with the carriage movement direction
so that the lines printed with each nozzle are evenly positioned. Therefore, this adjustment should be
made when the following service is made:

Replacing or removing the printhead unit
The head angular actually set by the adjust lever installed on the carriage assembly and the program print
the check pattern to see the level of head angular.
1. Before performing this adjustment, be sure to perform "VH Setting" (Refer to section 4.2.2.3)
2. At the main menu [SCREEN-4], input "3" to select "Angular Adjust Print" and press ENTER key.
3. Check to see if the lines printed in MAGENTA color is positioned in the middle of two BLACK
lines with the check pattern printed by the program. If the position of MAGENTA lines are
incorrect, input "K" at the main menu and the carriage assembly moves to the middle of the printer.
Then, loosen a screw (No.3) fixing "FASTNER, HEAD" and shift the position of angular adjust
level located at the right bottom of the carriage assembly to either forward (move MAGENTA
line to down) or backward (move MAGENTA line to up).
4. After adjusting the position of angular adjust lever, input "3" to print the check pattern and
verify the angular level. If the level is still not correct, repeat the step 3.
5. If the level is correct, input "K" again and tighten a screw to fix "FASTNER, HEAD". Then, at
the menu [SCREEN-6], input "Y" and press ENTER key to complete the adjustment.
Rev. A
Figure 4-6. Head Angular Adjustment
Chapter 4 Adjustment
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