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QL Series User Guide
Printhead
Elements
Peeler Bar Rollers
Peeler Bar or
Scraper
Scraper used on
units with linerless
platens only.
Platen surface
Avoid using alcohol
on linerless platen
surface
Tear Bar
Label
Presence
Sensor
Bar Sensor
Gap
Sensor
Bearing Points
Linerless Platens only
Edge Guides,
Inner surfaces on
both sides.
Units with linerless
platens only.
Media
Roller
Media Roller
Avoid using
alcohol on
linerless
media roller
surfaces
Bearing Points
Linerless Platens only
Figure 22: Cleaning the QL 420