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CHAPTER 10 TROUBLESHOOTING
III. TROUBLESHOOTING MALFUNCTIONS
:
Caution
1. If you must measure the voltage using the indicated terminals of a connector, be
sure to check the connector for poor contact.
2. When handling PCBs, be sure to touch a metal area of the printer unit before start-
ing the work to discharge the build-up of static electricity, thereby preventing dam-
age to the PCBs.
3. When replacing the DC controller PCB, see p. 10-1.
4. The machine's scanner/laser assembly and the intermediate transfer drum (ITD)
cannot be adjusted in the field. Do not try to disassemble it. (The secondary pre-
transfer charging assembly inside the intermediate transfer drum, however, may be
replaced on its own.)
10-28
COPYRIGHT © 1999 CANON INC.
Download free service manual at http://printer1.blogspot.com
CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
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