D-Ram Tests; Cs Tests - Canon MP 700 Service Manual

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MultiPASS MP730/MP700 Chapter 4: Maintenance and Service

6.2.3 D-RAM tests

Pressing the numeric key 1 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.
Replace the SPCNT board if an error occur.
Operating
1: D-RAM
. . . . . . .
Normal end
1: D-RAM
complete (no err)

6.2.4 CS tests

In Test mode menu, pressing numeric key 2 and select CS test. Then press numeric key 1, and
"ADJ LEDTIME" is displayed, where shading data of contact sensor can be registered.
Details on CS LED lights-on duration adjustment, see this Chapter 3.1 CS LED
Lights-on Duration Adjustment.
Tests [2], [3], [4] and Tests [5] are not used in the field.
REFERENCE
4592K: D-RAM total memory capacity (bytes)
4592K
* : Indicates an address for which write testing is complete.
. : Indicates an address for which read testing is complete.
error
Error display
4592K
WRT=33CC
ADR=2800
Error display
1: D-RAM
complete (err)
Figure 4-25 D-RAM Test
4-50
WRT: data written
RD=3333
RD:
data read
ADR: address
Restart by pressing Start key.
4592K

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