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3.12.6 DRAM Check
This mode is used to test the DRAM memory, or document memory.
Note:
When this test is performed, an All DRAM Clear will be performed by the unit. The All RAM clear erases
all user settings and resets all memory switches, machine parameters and unique switches to factory
defaults.
This is a read/write test that requires a few moments to complete.
Note: Perform a DRAM test whenever a memory upgrade is added to the unit.
1. Press
MENU, *, 1, 1
. Select
“DRAM Check”
, then press
ENTER
.
2. Depending on the amount of DRAM in the unit, press
0, 1, 2, 3,
or
4
on the numeric keypad.
Please refer to the following table.
Note:
Usually,
enter “0”.
Press Check
area
0 All
DRAMs
1
The DRAM on the Main PCB. (8MB)
2
The 8MB Optional expansion memory PCB
or
The first 8MB DRAM on the 24MB Optional expansion memory PCB
3
The second 8MB DRAM on the 24MB Optional expansion memory PCB
4
The third 8MB DRAM on the 24MB Optional expansion memory PCB
3. Press
ENTER
.
The machine starts checking and the result (OK/NG) will be shown in the display.
In following sample display, the DRAM on the main PCB is OK and DRAM on the expansion memory PCB
is NG or has not been attached.
4. Press
STOP
to exit the test mode.
3.12.7 RTC(real time clock) Test
This test mode is not applicable to field service of this machine.