Section 8: Adjustment Procedures

PRINT DEFECTS

RELATIVE PROCEDURE

 

 

Print becomes lighter or darker from one side to the other.

Print Head Balance Adjustment

This condition is repetitive from label to label.

 

 

 

Voids in the overall print image. This condition is repetitive

Print Darkness Adjustment

from label to label.

 

 

 

A visible path on the label where print image is missing. The

Print Head Position Alignment

path will change somewhat from label to label.

Platen Roller Adjustment

 

Ribbon Guide Plate Adjustment

 

 

The scales at the lower left and right sides are not equal

Print Head Position Alignment

distances from the labels lower edge.

 

 

 

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

 

 

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.

 

 

 

 

 

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A

5

3

 

 

 

 

2

3

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

5

1

M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EDI

 

 

 

 

 

A

Figure 8-2, Print Head Alignment

M84Pro Service Manual

PN 9001111A

Page 8-2

Page 98
Image 98
SATO M84PRO service manual Print Head Position Alignment, Print Defects Relative Procedure