Datasheet

112 Zebra P630i & P640i Card Printer Service Manual 980006-001 Rev. A
Troubleshooting
Print Quality Problems
Example • There are non-printing horizontal lines (white) on the card surfaces.
• Possible Cause:
Ribbon cartridge is not correctly positioned.
Solution:
Ensure that the ribbon is properly rolled onto the ribbon cores of the cartridge and
that there are no wrinkles in the ribbon.
Replace ribbon cassette.
• Possible Cause:
Printhead is dirty.
Solution:
Clean the printhead.
• Possible Cause:
Printhead elements are damaged (e.g., scratched or burnt).
Solutions:
Replace the printhead.