Epson AcuLaser C9200 Series - Manual (Page 159)

Note:
Permanently erase all data using specialized software or carry out Delete All CompactFlash Data
on Support Menu before you give away or discard CompactFlash memory. Deleting files or formatting
the CompactFlash memory from the computer may not erase the data completely.
Physically destroying the CompactFlash memory is also recommended when you discard CompactFlash
memory.
EPSON AcuLaser C9200 Series User's Guide
Installing Options 159