Maintenance RJ-900X series OPERATION MANUAL
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5.2 Cleaning the printer
Periodic (every month) cleaning is necessary to use the printer in good condition.
• Do not insert or drop metal or objects which are easily combustible through the openings
such as fresh air inlet into the printer. It could lead to an electric shock and fire.
• When foreign substances or liquids such as water entered the printer, do not use the
printer as it is. It could lead to an electric shock and fire. Immediately turn off the power
switch, disconnect the power plug from the electric socket, and contact MUTOH local
dealer.
• Be sure to turn OFF the power, and disconnect the power plug when cleaning the printer.
• Do not use volatile solvents such as thinner, benzene, or alcohol. These could damage
the paint.
• Be careful that moisture does not enter the printer. There is a possibility that electric circuit
inside the printer might get short circuited.
• Do not open covers attached with screws under any circumstance. There is a possibility
of receiving an electric shock or printer breakdown.
This section describes how to clean each part of the printer.
5.2.1 Cleaning the outer case
This sub-section describes the cleaning steps of the outer case.
Wipe out the dust and dirt adhered to the outer case by using a soft cloth.
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