Canon FAX-B820 Service Manual page 51

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3.4.9 Flash memory test
Selected
FMEM TEST
If the flash memory test contains audio data, the LCD display asks whether the data may be deleted.
Testing
R/W CHEK START!
Normal completion
Complete (no error)
WRT: Write data
RD: Read data
ADR: Address
From the test mode menu, press numeric '1' and select the flash memory test.
This test writes and reads data into and from all areas of the flash memory and checks that the operation is
normal. In the event of an error, replace the SCNT board.
Error display
WR= AA
RD=33
ADR=2800
Press the START/COPY button to restart.
Error display
FMEM
(error)
Figure1- 14 Flash memory test
1-46

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