Chapter 10
4. Re-latch the printhead assembly, hold the printer, and slowly pull the cleaning card
(you will feel resistance) out of the printer.
5. Reinstall the media and check print quality.
6. Repeat cleaning steps if necessary.
Thermal cleaning cards should not be used more than three times each. Extremely dirty
10.3 Internal Cleaning
The overall internal cleaning of the printer is important to help reduce the dust and other
contaminates residing in the printer that may attach to the print head or drive roller and
affect the printer's performance.
1. Remove any installed media.
2. Turn the printer power "OFF."
3. Release the printhead assembly and rotate to the open position.
4. The exposed Drive Roller, Printhead, and Paper Path may be cleaned using a cotton
swab or lint-free wiping rag dampened with isopropyl alcohol.
428T Operator's Manual - 880037-0141
Figure 10-3 Remove the Cleaning Card
cards should be disposed of immediately.
Printer Maintenance
10-3
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