Canon CP660 Service Manual page 111

CHAPTER 4 IMAGE FORMATION SYSTEM
If PS3 detects any of the following as a fault in the developing rotary assembly, the
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DC controller PCB recognizes the fault and communicates the fact to the printer board*
to stop the machine.
1) PS3 does not detect the home position flag.
2) PS3 detects an error between rotation position flags.
3) PS3 cannot detect a flag width different from the stop position flag.
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* Reader controller PCB (when making prints with the reader unit installed).
Reference:
E021: fault in the developing rotary assembly.
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COPYRIGHT © 1999 CANON INC. CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
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