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Dot sensor
Homesensor--------~------~
•
per!issible range in which the falling-
edge of the home sensor should be.
Figure 20
If the falling-edge of the home sensor pulse shifts to right .......... Shift the home sensor unit to right.
If the falling-edge of the home sensor pulse shifts to left ..........•• Shift the home sensor unit to left.
(3)
Adjusting the print head unit
i)
By using a print head adjusting tool to tighten the head adjust nut, proper darkness of the
printed character can be obtained. If there appears to be smudging, loosen it until smudging
disappears.
ii)
Set the head adjust lever at the hole
CD.
iii)
With a print head adjusting tool, tighten the nut so that the head adjust lever could be moved
without too much force. Then lubricate screwlock on the hexagon nut.
~
Hexagon nut
@
CD
~~Head
adjust lever------J.---:s....
I-=,-----x----...J
@
(f)
I
~Head
adjust nut
~
®
0
~
Prjnt
head
unit
Figure 21
Note: As the print head unit is made of magnetic metal, do not use magnetized tools to adjust .
• Confirming the function
Confirm all the items described on page 19
22
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