Bk-M Height Adjustment - Epson Stylus Color 1520 Service Manual

4.1.6 BK-M Height Adjustment

This adjustment is needed when the black and/or color printheads are removed or disassembled. With this
operation, the vertical positions of the black and color printheads are aligned. To make the adjustment,
adjust the vertical position of the color printheads based on the black printhead position by moving the
printhead vertical adjust lever.
1. Connect the printer to the host computer with a parallel interface cable.
2. Run the adjustment program on the host computer.
3. Input the customer data. (Refer to Section 4.1.2.)
Move the cursor using ↑ or ↓ to select ADJUST in the 1st menu. Then press Enter; the main menu
4.
appears on the monitor.
Move the cursor using ↑ or ↓ to select BK-M HIGHT ADJUSTMENT. Then press Enter; the printer prints out
5.
the BK-M height adjustment patterns.
6. Make the adjustment by moving the printhead vertical adjust lever, as shown in Figure 4-7.
Print out the printhead
vertical adjustment patterns.
Press the Enter key.
1. Press the Space key to repeat the operation. Press the Enter key to exit BK-M HEIGHT ADJUSTMENT; the
main menu appears.
Select other adjustments using ↑ or ↓, or select RETURN TO 1st MENU to exit the main menu.
2.
Move the cursor using ↑ or ↓ to select END and press Enter to exit the adjustment program.
3.
;
While moving the printhead vertical adjustment lever, lift it up a little. When fixing it, make sure that
the notches of the lever are securely engaged with the holes on the CR unit so that the lever does not
move.
Start
Yes
Are there gaps?
No
P*
Move the lever forward.
P*: Paper feed direction
End
Figure 4-7. BK-M Height Adjustment Flow Chart
Direction?
B C B
Black
P*
Move the lever
backward.
P*: Paper feed direction
Press the Space key.
CAUTION
Printhead Vertical
Adjust Lever
Black
Color
Adjustment
4-9