Ricoh D146 Service Manual page 22

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Use of controls, or adjustment, or performance of procedures other than those
specified in this manual may result in hazardous radiation exposure.
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Turn off the main switch before attempting any of the procedures in the Laser Optics
Housing Unit section. Laser beams can seriously damage your eyes.
CAUTION MARKING:
Warnings, Cautions, Notes
In this manual, the following important symbols and notations are used.
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A Warning indicates a potentially hazardous situation. Failure to obey a Warning could
result in death or serious injury.
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A Caution indicates a potentially hazardous situation. Failure to obey a Caution could
result in minor or moderate injury or damage to the machine or other property.
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Obey these guidelines to avoid problems such as misfeeds, damage to originals, loss of
valuable data and to prevent damage to the machine.
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This information provides tips and advice about how to best service the machine.