Gestetner B147 Service Manual page 255

SC No. Item
SC 999 Program • The download (program,
download error
SM
Definition
• Board installed
print data, language data)
from the IC card does not
• Engine board
execute normally.
• IC card defective
• Incorrect IC card
• NVRAM defective
• Loss of power during
Related
Possible Cause
SCs
incorrectly
defective
used (machine
type/model, card
version)
downloading
NOTE 1: This error is
not logged because
the error occurs in the
download mode
(different from the
normal operation
mode).
NOTE 2: If the
machine loses power
while downloading, or
if the download does
not normally end for
some other reason,
this could damage the
controller board or the
target PCB of the
downloading and
prevent subsequent
downloading. If this
problem occurs, the
damaged PCB must
be replaced.
4-53
Troubleshooting Procedure
1. Turn the main switch off and on.
2. If you can download necessary
programs, do it by using an
appropriate card.
3. If you cannot download necessary
programs, use the special card and
tool for downloading or replace the
board having been used for the
unsuccessful downloading.
SC TABLE
Type
CTL
B147/B149/B190