CHAPTER 2 OPERATIONS AND TIMING
2-6
COPYRIGHT © 1998 CANON INC.
CANON STAPLER SOTRER-L1 MS-C1 REV.0 NOV. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
D. Communication between copier and sorter
1. Outline
The copier and sorter send status signals back and forth between them through the IPC (IC for
communication) communication.
The sorter is provided with both the new and former IPC communication functions, which can
be switched over according to the copier to be installed. The functions are changed over by turning
ON or OFF the No. 6 dip switch (SW3) on the sorter controller PCB.
SW3-6
Communication system
ON
Level 2 (New) IPC communication
OFF
Level 1 (Former) IPC communication
These signals are first written into the RAM on the sorter controller PCB and then sent out in
response to control signals from the CPU (Q4).
Though a service man cannot check if status signals are properly transferred or not, if signals
are improperly transferred, the automatic diagnosis function of the copier is activated and an error
code is displayed on the control panel of the copier.
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
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