MITSUBISHI ELECTRIC P91DW(UB) - Manual (Page 23)

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13
MAINTENANCE
Turn off the power for maintenance.
Maintenance of Main Unit
Wipe off stains of the front panel with a soft cloth.
When the panel is heavily stained, wipe of with the cloth
moistened with neutral cleanser diluted by water and finish with
a dry cloth.
Maintenance of Rubber Roller
When the rubber roller is dirty with dust, etc., a black spot may
appear on the print.
In this case, eliminate the dust on to the rubber roller with a
blower or a brush.
Cleaning of Thermal Head
When the thermal head is dirty with dust, etc., white spots or
stripes may appear on the print.
In this case, clean the thermal head according to "12. USE OF
CLEANING PAPER".
Note: After installation of new roll of paper, dust on the paper will
generally require 2 to 3 prints to be made before the dust
is eliminated.
Rubber roller