Poor Print Quality - Datamax I-class Maintenance Manual

3.2.4

Poor Print Quality

Note: (1) If printed results are uneven, light or splotchy try increasing HEAT or reducing PRINT

SPEED as no further adjustments may be needed; (2) during the procedure below, synthetic
media may not produce the intended results due to the requirements of the material; and,
(3) in extreme conditions, over-temperature protection circuitry can interrupt printing.
1. Press TEST.
Scroll to PRINT
QUALITY LABEL and
then press TEST.
Does the produced
label have streaks or
missing areas of print?
2. Does the print fade
across the width of the
label?
Possible incorrect media & ribbon combination or improper
print control adjustments (check the settings –- in some cases,
host commands may override menu selections.)
Troubleshooting
The HEAT setting may be too low; raise it.
•
Possible incorrect media & ribbon combination.
•
Possible loose printhead assembly; latch it.
•
Possible dirty, misaligned, or defective printhead;
•
clean, align, or replace it (see Section 2.4.1, 2.2.3 or
4.4, respectively).
Possible loose or defective printhead cable.
•
Possible ribbon wrinkle (see Section 2.3).
•
Possible defective Main Logic PCB; replace it (see
•
Section 4.11).
Possible dirty or worn Platen; clean or replace it (see
•
Section 2.4.2 or Section 4.3, respectively).
Possible wrong firmware; check the version.
•
Possible wrong resolution Printhead (e.g., 203 DPI in a
•
300 DPI model); see Section 4.4.
Possible wrong resolution Drive Motor or motor
•
position (or worn belt on early models); see Section
4.8.
Leveling Cam may be over-adjusted; adjust it (see
•
Section 2.2.1.)
The HEAT setting may be too low; raise it.
•
Possible misaligned printhead; align it (see Section
•
2.2.3).
Possible worn Platen; replace it (see Section 4.3).
•
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