COPYRIGHT © 1999 CANON INC. CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 10 TROUBLESHOOTING10-57CauseConnector(duplexingmotor drive sig-nal line)Duplexingmotor (M8)Duplexing direPCBStep12Yes/NoNOYESNOActionConnect it securely.Replace the motor.Replace the duplexingdriver PCB.ChecksIs the connector J2004 on theduplexing driver PCB connectedsecurely?Replace the duplexing motor. Is theproblem corrected?20 The duplexing motor is faulty.CauseConnector(reversing rollerreleasing sole-noid drive sig-nal line)Reversingroller releasingsolenoid (SL7)Duplexingdriver PCBStep12Yes/NoNONOYESActionConnect the connectorsecurely.Replace the reversingroller releasing sole-noid.Replace the duplexingdriver PCB.ChecksIs the connector J2009 on theduplexing driver PCB connectedsecurely?Disconnect the connector J2009 ofthe reversing roller releasing sole-noid, and measure the resistancebetween the connectors J2009-1and J2009-2 on the harness side. Isit about 50 Ω?21 The reversal roller releasing solenoid is faulty.CauseConnector(duplexing flap-per solenoiddrive signalline)Duplexing flap-per solenoid(SL6)Duplexingdriver PCBStep12Yes/NoNONOYESActionConnect the connectorsecurely.Replace the duplexingflapper solenoid.Replace the duplexingdriver PCB.ChecksIs the connector J2002 on theduplexing driver PCB connectedsecurely?Disconnect the connector J2002 ofthe duplexing flapper solenoid, andmeasure the resistance between theconnectors J2002-1 and J2002-2 onthe harness side. Is it about 130 Ω?22 The duplexing flapper solenoid is faulty.Download free service manual at http://printer1.blogspot.com
