6. Replacing Parts     
 
<Referen
ce> 
If the actual print position is top margin = 5 mm and the bottom margin = 9 mm, then move the Platen 
Sensor Dog to the backward by 2 mm then the both margins will be 7 mm, increasing the top margin by 2 
mm and decreasing the bottom margin by 2 mm.   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
9 
5 
Move the Platen 
Sensor Dog backward 
by 2mm 
7
7
4.  Adjust the top
/bottom margins almost equal, the differences within 3 mm, by repeating the step (2) to (5) 
in the above.   
5.  Mount the Cover PF and Cover DL. (Refer to “6-1-2. Assembling/Disassembling of the Covers”.) 
  GT-3 Series  
146