COPYRIGHT © 1999 CANON INC. CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)Table 7-201Figure 7-202CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS7-3NotationFM1FM2FM3NameHeat discharge fan 1Heat discharge fan 2Heat discharge fan 3FilterAirAirOzoneError codeE805E806E807FunctionDischarges exhaustfrom around the fixingassembly and the feed-ing assembly.Discharges exhaustfrom around the inter-mediate transfer drum.Discharges heat fromaround the scannerWMUP STBY COPY LSTRINTRHeat discharge fan 1Heat discharge fan 2Heat discharge fan 3STBY30 min(approx.): high-speed rotation.: low-speed rotation.Printer unitpower switchONPrinter unitpower switchOFFM-CPUONcommandNote:1. At the end of a printing run, the heat discharge fan 3 (FM3) stops once. However,the heat discharge fan 2 (FM2) will stop 30 min after the printer unit power switchis turned off to prevent increase in temperature inside the printer unit.2. The heat discharge fan 1 (FM1) is equipped with a built-in thermistor used as partof the mechanism to vary the rotation speed of the fans to suit the machine inter-nal temperature.Download free service manual at http://printer1.blogspot.com