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EN LJ 3100/3150 Service mode functions 101
2
Modem 1 dial tone
detect
1 Make sure that the telephone cable is
plugged into the correct connector on the
product and that the telephone line is
operational (use a telephone to test the
line).
2 If the test fails again, check the
configuration settings in the control panel.
3 If the test fails again, replace the LIU.
Scanner test #1 This test fails under normal conditions if the
document scanner is busy. If the document
scanner is not busy:
1 Cycle power by unplugging the power cord
from the power source, waiting 10 seconds,
and then reconnecting the power cord.
2 If the test fails again, clear all memory (see
“Extended Service menu tree” on page 99).
3 If the test fails again, replace the formatter.
Extended Service mode self-test failures (continued)
Test If the test fails, take these actions: