Ricoh M156, Service Manual

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
To prevent a fire or explosion, keep the machine away from flammable liquids, gases,
and aerosols. A fire or an explosion might occur.

The Controller board on the MF model contains a lithium battery. The danger of explosion
exists if a battery of this type is incorrectly replaced. Replace only with the same or an
equivalent type recommended by the manufacturer. Discard batteries in accordance with
the manufacturer's instructions and local regulations.
Handling Toner

Work carefully when removing paper jams or replacing toner bottles or cartridges to avoid
spilling toner on clothing or the hands.

If toner is inhaled, immediately gargle with large amounts of cold water and move to a well
ventilated location. If there are signs of irritation or other problems, seek medical attention.

If toner gets on the skin, wash immediately with soap and cold running water.

If toner gets into the eyes, flush the eyes with cold running water or eye wash. If there are
signs of irritation or other problems, seek medical attention.

If toner is swallowed, drink a large amount of cold water to dilute the ingested toner. If there
are signs of any problem, seek medical attention.

If toner spills on clothing, wash the affected area immediately with soap and cold water. Never
use hot water! Hot water can cause toner to set and permanently stain fabric.

Always store toner and developer supplies such as toner and developer packages, cartridges,
and bottles (including used toner and empty bottles and cartridges) out of the reach of
children.

Always store fresh toner supplies or empty bottles or cartridges in a cool, dry location that is
not exposed to direct sunlight.

Do not use the cleaner to suck spilled toner (including used toner). Sucked toner may
cause firing or explosion due to electrical contact flickering inside the cleaner. However, it
is possible to use the cleaner designed for dust explosion-proof purpose. If toner is
spilled over the floor, sweep up spilled toner slowly and clean remainder with wet cloth.