Gestetner B147, Service Manual

Page: 255 / 1081

SC TABLE
SM 4-53 B147/B149/B190
SC No. Item Definition Possible Cause
Related
SCs
Troubleshooting Procedure Type
SC 999 Program
download error
• The download (program,
print data, language data)
from the IC card does not
execute normally. • Board installed
incorrectly
•
Engine board
defective
•
IC card defective
• Incorrect IC card
used (machine
type/model, card
version)
•
NVRAM defective
• Loss of power during
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.
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.
CTL