User guide

PAGE 11 OF 18 0813 IH-2551
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1-800-295-5510
Cleaning the Printers
Area Cleaning Method Interval
Printhead Use the supplied cleaning pen to clean the print
elements from end to end (the print elements
are located in the thin gray line on the printhead).
After every five rolls of media (or more
often, if needed) Linerless media requires
more frequent cleaning
Platen Surface Rotate the platen roller and clean it thoroughly
with the cleaning pen.
Linerless Platen
Surface
Units with linerless platens: Rotate platen &
clean bearing points only.
Avoid use of alcohol
on the surface of linerless platens!
Peel bar Clean thoroughly with the cleaning pen. As needed
Scraper (Linerless
units only)
Clean thoroughly with the cleaning pen. After every five rolls of media (or more
often, if needed)
Tear bar Clean thoroughly with the cleaning pen.
As needed
Exterior Wipe with water-dampened cloth
Interior
Brush/air blow. Ensure the Bar Sensor, Gap Sensor
and Label Present Sensor windows are free of dust.
Interior of units
with Linerless
Platens
Clean inside surfaces of Media Supports & Media
Support Disks with the supplied cleaning pen
or 70% iso
propyl alcohol on a cotton swab.
After every five rolls of media (or more
often, if needed)
Caution • To avoid possible
personal injury or damage to the
printer never insert sharp or pointed
objects into the printer mechanism.
QL420 Plus
Label Presence Sensor
Gap Sensor
Peeler Rollers
Platen Surface
Avoid using alcohol on
linerless platen surface
Peeler Bar or Scraper
Linerless units
Support Disks, Inner
surfaces on both sides.
Linerless units only.
Media Rollers (QL 420 Plus only)
Avoid using alcohol on linerless
media roller surfaces
Bar Sensor