Intermec EASYCODER 7421 - Manual (Page 54)

3-10
Cleaning the Label Sensors
Three label sensors on the printer require regular cleaning:
•
Label taken sensor
•
Label mark sensor
•
Label gap sensor
To clean the label sensors
1. Turn the printer power off and remove the power cord.
2. Open the printer cover.
3. Open the printhead assembly by pulling the yellow release
lever (on the left side of the printer) toward the front of the
printer. Lift the printhead up into the full open position.
4. Clean the label taken sensor, the label mark sensor, and the
label gap sensor with a cotton swab moistened with isopropyl
alcohol.
5. Lower the printhead assembly and lock it into the operating
position by pressing down firmly on both sides of the
printhead.
6. If you are finished cleaning, lower the printer cover.