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Chapter 3— Maintaining the Printer Cd 39 Helvetica CondensedHelvetica
38 EasyCoder 3400e Bar Code Label Printer User’s Manual
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 On/Off switch to the off position and remove the power cord.
2 Remove the media cover.
3 Rotate the head lift lever clockwise to release the printhead. Rotating the
head lift lever raises the printhead to allow access to the label mark
sensor.
4 Remove the media and ribbon (if necessary).
5 Clean the label taken sensor with a cotton swab moistened with
isopropyl alcohol.
3XXXU.036
Label gap
sensor
Label mark
sensor
Label taken
sensor
Drive
roller
Cotton
swab
Cleaning
brush
Upper media
guide
(underside)
Lower
media guide