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6 Cleaning
6.1 Cleaning Information
Danger!
Risk of death via electric shock!
Disconnect the printer from the power supply before performing any maintenance work.
The printer requires very little maintenance.
It is important to clean the thermal printheads regularly. This guarantees a consistently good printed image and plays
a major part in preventing premature wear of the printhead.
Otherwise, the maintenance is limited to monthly cleaning of the device.
!
Attention!
The printer can be damaged by aggressive cleansers.
Do not use abrasive cleaners or solvents for cleaning the external surfaces or modules.
Remove dust and paper uff from the print area with a soft brush or vacuum cleaner.
The cover of the printer can be cleaned with a standard cleanser.
6.2 Cleaning the Print Rollers
Accumulations of dirt on the print rollers may impair the media transport and the print quality.
Lift the printheads.
Remove media and transfer ribbon from the printer.
Remove deposits with roller cleaner and a soft cloth.
If the roller appears damaged, replace it Service Manual.
6.3 Cleaning the Printheads
Cleaning intervals: - every ribbon roll change
Substances may accumulate on the printheads during printing and adversely affect printing, e.g. differences in
contrast or vertical stripes.
!
Attention!
Printheads can be damaged!
Do not use sharp or hard objects to clean the printheads.
Do not touch protective glass layer of the printheads with ngers.
!
Attention!
Risk of injury from the hot printhead lines.
Ensure that the printheads have cooled down before starting cleaning.
Lift the printheads.
Remove media and transfer ribbon from the printer.
Clean printhead surfaces with a cotton swab dipped in pure alcohol.
Allow printheads to dry for 2–3 minutes before commissioning the printer.
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