Ricoh D065 Service Manual page 378

Display
50 No Valid Data E50
51 (no display)
52 (no display)
53 (no display)
SM
Details
Download invalid
The source data for the update
could not be authenticated.
Remote ROM update failure 1
The source data for the ROM
update is corrupted because the
machine is operating and an SC
code has been issued.
Remote ROM update failure 2
The source data received for the
ROM update is corrupted; it failed a
SUM check due to its abnormal
length.
Download result failure 6
The previous download in progress
was cancelled.
6-11
Program Download
Recovery
If you cannot force
the machine to
write, replace the
controller board.
Use the correct
SD card.
Turn the machine
power off/on and
try again.
Try again with the
correct data.
Do the download
procedure again.
D062/D063/D065/D066