4-11
Confidential
2.4 Head Inclination Adjustment
(Maintenance Mode: Code 68)
(1) Using the missing dot/head inclination adjustment patterns used in "2.3 Missing Dot
Check", check the portion of the head inclination pattern.
If the whole of the pattern is evenly printed, the check is finished.
If the pattern is not uniform with light and dark areas, go to step (2).
Disassemble the machine until the head can be seen.
(2) Turn the adjustment knob of the ink head shown in the following figure to the right by one
click.
Fig. 4-4
(3) Assemble the machine.
(4) Enter "Function code 68" again, and print the missing dot/head inclination adjustment
patterns.
(5) Recheck the portion of the head inclination pattern on the sheet.
If the whole of the pattern is evenly printed, this adjustment is finished.
If unevenness has increased, turn the knob to the left by two clicks.
If unevenness has decreased, turn the knob to the right by one click.
(6) Repeat steps (4) and (5) until unevenness disappears.
Note:
When you turn the adjustment knob of the ink head to the right, the right side of print
moves to the top, and when you turn it to the left, the left side moves to the top.
Ink head
Adjustment knob of ink head
Adjustment knob
of ink head
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