Microcom 428T - Manual (Page 201)

Chapter 10 Printer Maintenance
428T Operator’s Manual - 880037-0141 10-3
4. Re-latch the printhead assembly, hold the printer, and slowly pull the cleaning card
(you will feel resistance) out of the printer.
Figure 10-3 Remove the Cleaning Card
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
cards should be disposed of immediately.
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.