Casio CE-T300, Service Manual

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7-5. Individual function test
1) Series test
This test will perform the following tests in series.
1. Display test (All dot and segment trun on.)
2. RAM read after write test (one time)
3. Print test (one time)
4. Time display test
5. Drawer open test
6. Receipt issue test
7. Display test (1234567890 display)
Operation : X 1 #2 Key
Function X : 0= Automatic RAM capacity detection
1= RAM1 (128K) test only
3= RAM3 (512K) test only
NOTE: RAM2 and RAM4 are not used for CE-T300 .
[PRINT] [DISPLAY]
NOTE : In case of error, the following error message will be printed.
RAM1 128K WR ERR!! 00 000000 -----------When the write error is happened.
Error Bank and Address
RAM1 128K RD ERR!! 00 000000 ------------When the verified data error is happened.
FLASH SUM ERR!! 1234 ------------Check sum of Flash1 is not "FFFF".
Caliculated check sum