Mita PointSource Ai 3010, Service Manual

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3-2-80-35
2AR-1
Mainte-
nance Description
item No.
U894 Performing board test
Description
Performs tests on SRAM, DRAM (image memory, bitmap memory) and
optional memories on the optional fax board.
Purpose
Used to check if reading and writing are performed correctly in respective
installed memories.
Start
1. Press the start key. The screen for selecting an item is displayed.
2. Select an item using the cursor up/down keys.
Performs tests on SRAM and DRAM.
Performs tests on optional memories.
Display
BOARD MEMORY
BOARD OP. MEM
Description
Performing tests on SRAM and DRAM
1. Press the start key. The test is performed and the results displayed as
follows.
• When the test result is OK:
TEST MEMORY
OK
• If the test result is NG:
TEST MEMORY
NG DRAM IMG 0x
∗∗∗∗∗∗
∗∗∗∗∗∗
: address
DRAM IMG: DRAM (image memory) error
DRAM B.M: DRAM (bitmap memory) error
SRAM: SRAM error
2. To return to the screen for selecting an item, press the stop/clear key.