Cleaning The Label Sensors - Intermec EasyCoder 4420 User Manual

EasyCoder 4420/4440 Bar Code Label Printer User's Manual

Cleaning the Label Sensors

Two label sensors on the printer require regular cleaning:
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To clean the label sensors
1. Turn off the printer and remove the power cord.
2. Remove the media cover.
3. Disengage the printhead by rotating the head lift lever clockwise until the printhead
4. Remove the media and ribbon (if necessary).
5. Clean the label mark sensor with a cotton swab moistened with isopropyl alcohol.
6. Pull down on the lower media guide to expose the label gap sensor. Using a
7. Clean the upper and lower label gap sensor with a cotton swab and alcohol.
8. Replace the media and ribbon.
9. Engage the printhead by rotating the head lift lever counterclockwise until it locks
10. If you are finished cleaning, replace the media cover.
3-12
Label mark
Label gap
releases.
cleaning brush or vacuum, remove all debris and dust from the label gap sensor.
in place.