SATO Comprehensive Guide to M84Pro Manual and Adjustment Procedures

Section 8: Adjustment Procedures

1 Remove ribbon as applicable to gain access to the top side of print head (1, Figure 8-2).

NOTE: Figure 10-3 in the Diagrams & Schematics section provides guidance on ribbon removal.

2Loosen thumbscrew (2) and two set screws (3).

3Load printer with media and ribbon as applicable and latch (4) print head (1) closed.

NOTE: Figures 10-2 and 10-3 of the Diagrams & Schematics section provides guidance on media and ribbon installation.

4 Begin continuous printing of self-test labels.

NOTE: The self-test label identifies if any elements are malfunctional. To the far right of the Head Check row, OK will be printed if elements are not missing and NG if any are missing. Begin a troubleshooting process should difficulties be found. It is recommended that the troubleshooting process begin at the rear of the printer and work forward.

5Adjust left or right screw/s (5) to manipulate print head (1) as deemed necessary until the print image is deemed acceptable.

NOTE: The print speed and darkness should be set so as to assist in determining if the print image is being improved during alignment. The speed and darkness settings are identified on the self-test label. Adjust as deemed necessary.

NOTE: The self-test label provides a scale in the lower right and left corners to assist in adjustment. The label is properly aligned perpendicular to the print head when the scale increments are proportionate on each side.

6 Retighten two set screws (3) and thumbscrew (2) to complete the adjustment process.

PRINT HEAD BALANCE ADJUSTMENT

Print quality may be further optimized by the adjustment of the print head balance. When the print head is balanced, there is equal pressure applied across the print media and platen roller by the print head. The left side of the print head remains fixed and the right side is adjusted vertically to obtain balance. To adjust print head balance, follow the instructions below.

1Visually inspect the condition of the feed and platen rollers and replace as necessary.

2Adjust the feed roller in accordance with its relative procedure in this manual.

3Load printer with media and ribbon as applicable.

M84Pro Service Manual PN: 9001111A Page 8-3