AR-200 (serv.man167). Flash Upgrade Procedure (Sent out as Fast Facts 085) - Sharp Copying Equipment Technical Bulletin (repair manual). Page 3

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8) Communication 
 speed setting
Select “SETUP” in the communication menu, and select the
most suitable item with consideration of PC environment, work
time, etc.
9) Select “Program Data Download” in the SPECIAL folder, and
transfer data.
10)
Select the data for MCU to be transferred.
12) After transfer of data, turn off the machine and disconnect the
 (When the power is turned off, SIM 69-01
celled.)
is 
Reference:
If the power is turned off during the procedure or in case
of a communication error, resume the procedure from 2).
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