Canon LASER CLASS 810 Service Manual page 177

Contents
10.1 Control Panel..............................................................................................................................................................10-1
10.1.1 Outline...................................................................................................................................................................................... 10-1
10.2 Fan..............................................................................................................................................................................10-1
10.2.1 Outline...................................................................................................................................................................................... 10-1
10.3 Power Supply .............................................................................................................................................................10-3
10.3.1 Power Supply ........................................................................................................................................................................... 10-3
10.3.1.1 Outline.........................................................................................................................................................................................................10-3
10.3.1.2 Rated Output of the Power Supply PCB .....................................................................................................................................................10-3
10.3.2 Protection Function .................................................................................................................................................................. 10-4
10.3.2.1 Protective Functions....................................................................................................................................................................................10-4
10.4 Parts Replacement Procedure.....................................................................................................................................10-5
10.4.1 External Cover ......................................................................................................................................................................... 10-5
10.4.1.1 Exteranal Covers .........................................................................................................................................................................................10-5
10.4.1.2 Removing the Rear Cover ...........................................................................................................................................................................10-6
10.4.1.3 Removing the Left Middle Cover ...............................................................................................................................................................10-6
10.4.1.4 Removing the Left Front Cover ..................................................................................................................................................................10-6
10.4.1.5 Removing the Left Rear Cover ...................................................................................................................................................................10-6
10.4.1.6 Removing the tray Lower Cover.................................................................................................................................................................10-6
10.4.1.7 Removing the Right Cover..........................................................................................................................................................................10-6
10.4.1.8 Removing the Front Cover..........................................................................................................................................................................10-7
10.4.1.9 Removing the Document Feeder Tray ........................................................................................................................................................10-8
10.4.1.10 Removing the Document Delivery Tray ...................................................................................................................................................10-8
10.4.1.11 Removing the Delivery Tray.....................................................................................................................................................................10-9
10.4.2 Main Drive Unit ....................................................................................................................................................................... 10-9
10.4.2.1 Removing the Main Drive Unit...................................................................................................................................................................10-9
10.4.3 Pick-up Drive Unit ................................................................................................................................................................... 10-9
10.4.3.1 Removing the Pickup Drive Unit ................................................................................................................................................................10-9
10.4.4 Fixing/Duplex Drive Unit ........................................................................................................................................................ 10-9
10.4.4.1 Removing the Fixing/Duplex Drive Unit....................................................................................................................................................10-9
10.4.5 Operation Panel Unit.............................................................................................................................................................. 10-10
10.4.5.1 Removing the Operation Panel Unit .........................................................................................................................................................10-10
10.4.6 Image Processor PCB ............................................................................................................................................................ 10-10
10.4.6.1 Before Installation (Backup of Data) ........................................................................................................................................................10-10
10.4.6.2 Removing the Image Processor PCB ........................................................................................................................................................10-11
10.4.6.3 Procedure after Replacing the Image Processor PCB ...............................................................................................................................10-12
10.4.7 RAM ...................................................................................................................................................................................... 10-12
10.4.7.1 Removing the SDRAM .............................................................................................................................................................................10-12
10.4.8 DC Controller PCB ................................................................................................................................................................ 10-13
10.4.8.1 Removing the DC Controller PCB............................................................................................................................................................10-13
10.4.9 Powwer Supply PCB.............................................................................................................................................................. 10-13
10.4.9.1 Removing the Power Supply PCB ............................................................................................................................................................10-13
10.4.10 Relay PCB............................................................................................................................................................................ 10-14
10.4.10.1 Removing the Relay PCB .......................................................................................................................................................................10-14
10.4.11 NCU PCB............................................................................................................................................................................. 10-14
10.4.11.1 Removing the NCU PCB ........................................................................................................................................................................10-14
10.4.12 Modem PCB......................................................................................................................................................................... 10-14
10.4.12.1 Removing the Modem PCB ....................................................................................................................................................................10-14
10.4.13 Modular Jack PCB ............................................................................................................................................................... 10-15
10.4.13.1 Removing the Modular Jack PCB...........................................................................................................................................................10-15
10.4.14 Network PCB ....................................................................................................................................................................... 10-15
10.4.14.1 Removing the Network PCB (if equipped with the network functions) .................................................................................................10-15
10.4.15 Send PCB ............................................................................................................................................................................. 10-15
10.4.15.1 Removing the SEND PCB (if equipped with SEND functions) .............................................................................................................10-15
Contents