212967530000/00/06.2023
8 Cleaning
To achieve a good, even print quality, the device should be
cleaned monthly.
DANGER
Risk to life due to mains voltage.
► Before starting work, make sure that the
printer is disconnected from the mains.
ATTENTION
The printer can be damaged!
Strong cleaning agents, abrasive cleaners or solvents
can damage the printer.
► Only use the recommended cleaning agents for clean-
ing.
Recommended cleaning agents
Print rollers, print
line and light barrier
Isopropanol > 99.9%
Other surfaces on
the device
Isopropanol 70-100%
► Remove dust and paper lint in the print area with a soft
brush or a vacuum cleaner.
► Clean the exterior surfaces of the printer.
8.1 Cleaning the print rollers
Contamination on the print rollers can impair the print im-
age and prevent material transport.
► Swivel the printheads away.
► Remove labels and transfer ribbon from the printer.
► Remove deposits with pure alcohol and a soft cloth.
► If the rollers are damaged, replace the rollers, see Ser-
vice.
8.2 Cleaning the printheads
During printing, contamination may collect on the print-
heads and negatively aect the print image, e.g. due to
contrast dierences or vertical strips.
Recommended cleaning intervals
Direct thermal print-
ing
with every change of the material
reel
Thermal transfer
printing
with every change of the transfer
ribbon reel
CAUTION
Risk of injury due to hot printhead.
Allow the printheads to cool before com-
mencing cleaning.
ATTENTION
The printheads can be damaged!
Hard or sharp objects can scratch the printheads. Do not
touch the protective glass layer on the printheads.
► Swivel the printheads away.
► Remove labels and transfer ribbon from the printer.
► Clean the printheads with a cotton swab dipped in pure
alcohol.
► Leave the printheads to dry for 2 to 3 minutes.
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