4.1.3 Head Gap Adjustment (Black and Color Head)
The head gap adjustment is required when the printer mechanism, main board, or printhead
(board) is replaced or diassembled. This adjustment calibrates the head drive timing between the
black and color head. If this adjustment is not made, the vertical alignment will not be completed.
1. Connect the PC to the target printer, and turn the printer on.
2. Execute BASIC on the PC and run the program “VERxxx.BAS.”
1. Destination Setting
2. Head Angle Confirmation Pattern Printing
(Black Head Spacer Selection)
3. Head Vertical Position Confirmation
4. Head Gap Adjustment
5. Bi-D Adjustment
6. Internal Timer Reset
7. END
3. When the main menu appears, choose “Head Gap Adjustment” by typing 4 and ENTER.(The
printer prints a check pattern with a sample compensation value.)
4. The printer prints a sample like the one shown in Figure 4-1.
5. If the sample print is not vertically aligned for both odd-numbered lines (black lines) and
even-numbered lines (magenta lines), enter a compensation value in the range from −16 to
+16.
❏ Positive compensation value: Shifts the 2nd line to the left
❏ Negative compensation value: Shifts the 2nd line to the right
When both the black and magenta lines are vertically aligned, press Y and ENTER; this returns
you to the main menu.
6.6. Choose “END” by typing 7 and ENTER. The next message appears on the display.
All parameters that you have specified so far
arewrittentoEEPROMuponpoweroff.
Turn the printer OFF, Now!
7. Turn off the printer.
Head Gap Adjustment No. 0
Color (Magenta) Line
Black Line
Figure 4-1. Head Gap Adjustment Sample
Adjustments Stylus Pro XL
4-4 Rev. A
