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Operations & Maintenance Manual: Help & Troubleshooting
0900‑5005 REV‑00
PROCEDURE 5. TROUBLESHOOT IRREGULAR PRINTOUTS (OPTIONAL)
Read the “Warnings & Cautions” section before performing the following task.
If the printer is producing irregular printouts, you may need to clean the print head.
1. If necessary, press the On/Off button . When prompted, confirm that you want the system to turn off,
and then wait for it to do so.
2. Slide the printer door upward to unlock it, and then rotate the door down to open. Placing your thumb
on the outside of the printer and squeezing can make it easier to open the door.
3. If a thermal paper roll is in the printer, remove it.
4. Using a cotton swab dipped in isopropyl alcohol (IPA), wipe along the length of the print head. Do not
use your fingers or any hard or abrasive surfaces to clean the print head.
Print head
5. Allow the print head to dry completely.
6. Make sure there is no lint or visible debris on the print head.
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