D. Fan Unit1. Removing the Scanner Cooling Fan1) Open the front door, and remove the inside upper cover. (See p. 7-16.)2) Disconnect the three connectors (J1, J2, J3) of the potential control PCB, anddisconnect the connector w (J921) of the service switch PCB.3) Remove the four mounting screws e, and disconnect the connector r; then,remove the scanner cooling fan unit t together with the potential control PCB.Figure 7-4312. Removing the Exhaust Fan1) Remove the rear cover.2) Remove the two mounting screws q, and disconnect the connector w; then, removethe exhaust fan e.Figure 7-432qw eeee qwr tCOPYRIGHT © 1997 CANON INC. CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS7-30Download service manual and resetter printer at http://printer1.blogspot.com
