Intermec EasyCoder 4420, User Manual, Page: 56 / 156

4420 and 4440 Bar Code Label Printer User’s Manual
3-8
Cleaning the Rollers and the Tear Bar
Cleaning the rollers and the tear bar preserves print quality by ensuring close
contact between the media and the printhead.
To clean the rollers and tear bar
1. Turn off the printer and remove the power cord.
2. Remove the media cover.
3. Rotate the head lift lever clockwise to release the printhead.
4. Remove media and ribbon (if necessary).
5. Clean the rollers by using a cloth moistened with isopropyl alcohol. Move
the cloth over the rollers in a side-to-side motion as shown. Make sure to
rotate the rollers so that you can clean all areas.
Note: Rotate the TTR assist roller toward you to clean the entire drive roller
surface.
6. Clean both sides of the tear bar with a cloth dampened with isopropyl
alcohol. Remove all traces of dust, paper, and adhesive.
7. Replace the media and ribbon.
8. Engage the printhead by turning the head lift lever counterclockwise until
the printhead locks.
9. If you are finished cleaning, replace the media cover.