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Section 8: Adjustment Procedures
M84Pro Service Manual PN 9001111A Page 8-2
PRINT HEAD POSITION ALIGNMENT
Print head position has a direct impact on print quality. An improperly aligned print head will
cause the print to be inconsistent across the label. The following procedure will provide guidance
on print head alignment.
Figure 8-2, Print Head Alignment
PRINT DEFECTS RELATIVE PROCEDURE
Print becomes lighter or darker from one side to the other.
This condition is repetitive from label to label.
Print Head Balance Adjustment
Voids in the overall print image. This condition is repetitive
from label to label.
Print Darkness Adjustment
A visible path on the label where print image is missing. The
path will change somewhat from label to label.
Print Head Position Alignment
Platen Roller Adjustment
Ribbon Guide Plate Adjustment
The scales at the lower left and right sides are not equal
distances from the labels lower edge.
Print Head Position Alignment
The lines are not sharp. Print Darkness Adjustment
The image is too light. Print Darkness Adjustment
The image is severely dark. Print Darkness Adjustment
Bar code label has a sharp line where print is missing. Print Darkness Adjustment
The printed position is too far in one direction or another. Print Position Adjustment
Feed Roller Adjustment
Offset Label Stop Position
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