Toshiba e-STUDIO520 Service Manual page 383

2) Rewriting of flash ROM
A
Normal ROM
installed on jig board?
YES
Flash ROM deleted
Flash ROM
succeeded to delete?
YES
Flash ROM rewritten
Flash ROM
rewriting succeeded?
YES
Success of rewriting
displayed on LED
Flash ROM
rewriting completed
March 2005 © TOSHIBA TEC
NO
NO
NO
Failure of rewriting
displayed on LED
Fig.16-67
e-STUDIO520/600/720/850 REVERSING AUTOMATIC DOCUMENT FEEDER (RADF)
16 - 47
ROM abnormality
displayed on LED
Failure of deleting
flash ROM
displayed on LED
16