Zebra Technologies GX430D ユーザーズマニュアル
89
Troubleshooting
Print Quality Problems
8/4/10
GX420d™ / GX430d™ User Guide
980611-001 Rev. C
Print Quality Problems
No print on the label.
• Is the media loaded correctly? Follow the instructions for
in the Getting Started section. For printing using transfer ribbon, see
The printed image does not look right.
• The printhead is dirty. Clean the printhead.
• The printhead is under temperature.
• Adjust the print darkness and/or print speed.
•
Use the
^PR
(speed) and
~SD
(darkness) commands referenced in the ZPL
Programming Guide.
•
Use the
D
(darkness/density) and
S
(speed) commands in the EPL Programmer’s
Guide.
•
Manually adjust print darkness with the six-flash sequence of
•
The Windows printer driver or application software may change these settings and
may require a change to optimize print quality.
may require a change to optimize print quality.
• The media being used is incompatible with the printer. Be sure to use the recommended
media for your application, and always use Zebra-approved labels and tags.
• Verify that the printer power supply in use is rated at 100 Watts of DC output.
• The printhead has worn out. The printhead is a consumable item and will wear out due to
friction between the media and printhead. Using unapproved media may shorten life or
damage your printhead. Replace the printhead.
damage your printhead. Replace the printhead.
• The platen may need cleaning or replacement. The platen (driver) roller maybe losing
traction due to:
•
Foreign objects attached to its surface,
•
The rubbery smooth surface has become polished and slippery, or
•
There is damage to the normally smooth and flat print surface such as box knife cuts.