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FAX-L350 Chapter 1: General Description
NOTE
5.4.2 Data in the control processing memory (SRAM)
SRAM is backed up by a lithium battery. It can retain the stored data for 5 years after the power is turned off.
SRAM stores the following data: All the data the user entered with the user data setting, the activity reports
and other report-generating data, the redial data containing the redial destinations set with the Redial button,
the servicing data set by repair personnel with the service soft switch. SRAM stores almost all of the data
which can be entered or set.
These stored data can be checked with various reports.
Jumper plug precautions
The control/image processing memory is backed up by shorting the jumper pin (JP1) on the
SCNT board with the jumper plug. If the jumper plug is removed and the power is turned
off, the data in SRAM will be lost.
Before removing the jumper plug, be sure to print out the data stored in the SRAM.
Lithium battery life
The lithium battery can last for over 5 years after the power is turned off.
When the power is on, the lithium battery’s power is untapped. Therefore, the actual battery
life can be much longer.
When the lithium battery becomes exhausted,
“DATA ERROR”
will be displayed after the
power is turned off or on. When this happens, replace the lithium battery. Since the data in
SRAM will be lost when the battery is replaced, it cannot be printed out.
After the lithium battery is replaced and the power is turned on,
“DATA ERROR”
will be
displayed. Press the
Set
button to discard the contents in SRAM and initialize it to the
factory defaults.
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