Canon SADDLE FINISHER K3 Service Manual page 377

CHAPTER 5 TROUBLESHOOTING
6) Check the indication of the LED (DSP971), and shift bit 8 of the DIP switch (SW973)
to OFF; then, press the switch (SW976).
The LED (DSP971) flashes its segments in turns to indicate the downloading is tak-
ing place.
If downloading does not start for about 3 min, the copier's control panel in-
dicates 'E506'.
5-70
COPYRIGHT© 2001 CANON INC.
F05-206-05
2000 2000 2000 2000 CANON SADDLE FINISHER K3/K4 REV.0 MAR. 2001