TEC B-470 SERIES Maintenance Manual page 45

6. DIAG. TEST OPERATION
3 EEPROM Check
EEPROM
4 DRAM Check
DRAM 512KB
NOTE: 1. If an error is detected during DRAM check, the display of readable/writable area will stop
when the error occurs.
5 Flash Memory Card Check
CARD OK
OK
Read/write check
OK: Data in the check area can be properly read/written.
NG: Data in the check area cannot be properly read/written.
EEPROM: Backup memory
Readable/writable area
DRAM: Image buffer memory or work memory
Format check
OK: Formatted
NG: Formatted improperly or no flash memory card is inserted.
Flash memory card
6-8
EM18-33011
6.2 SELF TEST MODE