D-Ram Tests - Canon FAX-L350 Service Manual

6.1.3 D-RAM tests

Pressing the 1 button from the test mode menu selects the D-RAM tests. D-RAM Test 1 writes data to the
entire D-RAM region and reads it out to check that operations are correct. D-RAM Test 2 just reads data at
high speed.
Operating
1:D-RAM 5824K
. . . . .
Normal end
1:D-RAM 5824K
complete (no error)
WRT : data written
RD : data read
ADR : address
FAX-L350 Chapter 3: Maintenance and Service
5824K: D-RAM total memory capacity (bytes)
: Indicates an address for which write testing is complete.
. : Indicates an address for which read testing is complete.
Error
Error display
WRT= 33CC RD= 3333
ADR= 2800
Restart by pressing
START/COPY button.
(Normal end)
1:D-RAM 5824K
complete (no error)
Figure 3-19 D-RAM Test
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