Ricoh A250 Service Manual page 472

SERVICE LEVEL FUNCTIONS
4.1.20 RINGER TEST (FUNCTION 11)
1. Enter the fax service mode.
2. Press
3. Press
4. Press then
To stop the test, press
5. Exit the service mode.
4.1.21 MEMORY TEST (FUNCTION 11)
1. Enter the fax service mode.
2. Press
3. Press
4. Press one of the following numbers:
– SRAM test
– DRAM test
5. Press "Start" to start the test.
To stop the test, press "Stop".
If the test is successful, the display shows
"OK".
If the test is unsuccessful, the display
shows "NG".
6. Exit the service mode.
A250 4-10
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