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SmartBase MPC200/imageCLASS MPC200
Chapter 4: Maintenance & Service
6.2.3 D-RAM tests
Pressing the < /> 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.
Replace the SPCNT board if an error occur.
Operating
1:D-RAM
- 1 - 1 +
1:D-RAM
Normal end
Complete
WRT: data written
RD: data read
ADR: address
6.2.4 CS tests
Pressing the < / > button from the test mode menu selects the CS tests. ADJ LED TIME is used to adjust
the CS LED lights-on duration and enter the contact sensor's shading data (pre-scan operation).
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4784K: D-RAM total memory capacity(bytes)
4784K
: Indicates an address for which write testing is complete.
: indicates an address for which read testing is complete.
4784K
Error
Error display
(no error)
WRT= 33CC RD= 3333
ADR=2800
Error display
Complete
Figure 4-15 D-RAM Test
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.
Restart by pressing
Start key.
(error)
4-32
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