II. FANSThe printer unit is equipped with three fans to cool the inside and to discharge ozone.Figure 7-101 shows the arrangement of the fans. Table 7-101 shows the functions ofthe fans, filters used by the fans, orientation of the fans, and error codes associated withthe operation of the fans, while Figure 7-102 shows the timing at which each fan is turnedon.Figure 7-201COPYRIGHT © 1999 CANON INC. CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS7-2FM2FM1FM3Download free service manual at http://printer1.blogspot.com