Canon FY8-13HR-000 Service Manual

Canon FY8-13HR-000 Service Manual Manual pdf 64 page image

COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 NM-PDL REV.0 JULY 2001CHAPTER 4 DISASSEMBLY/ASSEMBLY4-224.6 FansThe following fans run continuously when the iR-M1 is on:• Exhaust fans—Pull warm air from inside the unit and blow it out of the unit throughthe back of the chassis. You should hear the fans start as soon as you power on the iR-M1. The fans connect to the motherboard at connectors J25 and J26. They are mountedon a metal bracket attached to the device side of the center frame.• CPU fan—Attached to the CPU heatsink with four mounting screws. The CPU fancable attaches to motherboard connector J27.You should hear the fans start as soon as you power on the iR-M1.4.6.1 Exhaust FanUse the following procedures to service the exhaust fans.a. To Remove the Exhaust Fans1. Power off and open the iR-M1 as described on page 4-3 and page 4-4.2. For stability during service, remove the front panel as described on page 4-6.3. Remove the exhaust fan cables from motherboard connector J25 and J26 and cut the tiewrap that holds the fan cables to the white tie-mount on the metal bracket.F04-406-01 Removing the exhaust fans4. Remove the three screws that secure each fan to the metal bracket and remove the fan(with cable attached).Screws on fansTie wrap connected to white tiemount on metal bracketFan cables (to motherboard)Arrow labelson fans