COPYRIGHT © 2001CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001CHAPTER 6 TROUBLESHOOTING6-171NameOriginal size sensor 1 (iR8500)Original size sensor 2 (iR8500)Original size sensor 3 (iR8500)Original size sensor 4 (iR8500)Cassette 3 paper length sensorCassette 4 paper length sensorManual feed tray paper width volumeCassette 3 paper width volumeCassette 4 paper width volumeHopper internal toner sensorHopper internal toner lower limit sensorDeveloping assembly internal toner sensorPotential sensorNotationSIZE1SIZE2SIZE3SIZE4SV1SV2SVR1SVR2SVR3TS1TS2TS3DP1T06-606-01