Ricoh D131 Service Manual page 20

Health Safety Conditions
1. Never operate the machine without the ozone filters installed.
2. Always replace the ozone filters with the specified types at the proper intervals.
3. Toner and developer are non-toxic, but if you get either of them in your eyes by accident, it
may cause temporary eye discomfort. Try to remove with eye drops or flush with water as first
aid. If unsuccessful, get medical attention.
4. This machine employs an LED array in the scanner and image writing unit.

This machine is rated as a Class 1 LED Device. It is safe for both office and EDP
use.
Observance of Electrical Safety Standards
1. The machine and its peripherals must be installed and maintained by a customer service
representative who has completed the training course on those models.
2. The NVRAM on the controller board has a lithium battery which can explode if replaced
incorrectly. Replace the NVRAM only with an identical type. However, the manufacturer
recommends replacing the entire NVRAM, not just the battery. Never recharge or incinerate a
used NVRAM battery. Dispose of a used NVRAM or NVRAM battery in accordance with local
regulations.
3. The danger of explosion exists if the battery on the controller board is incorrectly replaced.
Replace the battery only with the equivalent type recommended by the manufacturer. Discard
the used controller board battery in accordance with the manufacturer's instructions and local
regulations.
4. Test the breaker switches on the main machine and all peripheral devices at least once a
year.