10-114 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 10 TROUBLESHOOTINGC. Self Diagnosis (sorter)Table 10-21Note:Some copiers use ‘E500’ to represent all the above errors.n Error Conditionq The copier indicates the “TURN ON POWER” message.w When the power has been turned off and then on, the sorter runs a self check: if theresult is good*, it resets; otherwise, enters down state**.n Down Stateq The copier indicates ‘E5XX’.w When the sorter has been detached, the copier is available for operations other thanthose that must use the sorter.e If a mode that uses the sorter is selected, some copiers indicate the “MODE NOTAVAILABLE” message.Code CauseThe CPU or the communica-tions IC on the sorter controlleris not operating normally.The feeder motor fails to rotate.The stapler guide bar swingmotor fails to rotate.The stapler unit swing motorfails to rotate.The bin shift motor fails torotate.• Bin motor (faulty)• Reed cam drive gear (faultymounting)DescriptionAn error is detected in the communicationbetween the sorter and the copier.The clock signal from the motor is off for250 msec or more.The home position sensor does not turn offafter generation of 2560 pulses of the motordrive signal.• The stapler unit swing sensor does notturn off within 0.5sec after generation ofthe motor drive signal.• The sensor does not turn on again within1.0sec after the stapler unit swing sensorhas turned off.• The reed cam home position sensor doesnot turn off within 2.0sec after generationof the motor drive signal.• The reed cam home position sensor doesnot turn on once again within2.0sec after it has turned off.The reed cam position sensor does not turnon within 1.0 sec after it has turned off.E500E510E530E531E540E541