Canon iR C3380 series Service Manual page 323

Contents
10.1 Control Panel..............................................................................................................................................................10-1
10.1.1 Overview.................................................................................................................................................................................. 10-1
10.1.2 LCD Processing ....................................................................................................................................................................... 10-1
10.1.3 Adjusting the LCD Screen Contrast ........................................................................................................................................ 10-1
10.1.4 Control Panel CPU................................................................................................................................................................... 10-1
10.2 Counters .....................................................................................................................................................................10-1
10.2.1 Overview.................................................................................................................................................................................. 10-1
10.2.2 Timing of Increasing the Count ............................................................................................................................................... 10-2
10.3 Fans ............................................................................................................................................................................10-2
10.3.1 Overview.................................................................................................................................................................................. 10-2
10.3.2 2-Speed Control ....................................................................................................................................................................... 10-4
10.3.3 Sequence of Operations ........................................................................................................................................................... 10-4
10.4 Power Supply .............................................................................................................................................................10-4
10.4.1 Power Supply ........................................................................................................................................................................... 10-4
10.4.1.1 Route of Power Supply Inside the Printer...................................................................................................................................................10-4
10.4.1.2 Route of Power to the Reader Unit .............................................................................................................................................................10-6
10.4.1.3 Timing of Supplying Power to the Reader Unit..........................................................................................................................................10-6
10.4.1.4 Routes of Power to various Options............................................................................................................................................................10-7
10.4.2 Rated Output of DC Power Supply PCB ................................................................................................................................. 10-7
10.4.2.1 Rated Output of the Printer Unit Power Supply PCB .................................................................................................................................10-7
10.4.2.2 Rated Output of the Controller Power Supply PCB....................................................................................................................................10-7
10.4.2.3 Rated Output of the Options Power Supply PCB .......................................................................................................................................10-8
10.4.2.4 Rated output of the all-night power supply PCB ........................................................................................................................................10-8
10.4.3 Protection Function .................................................................................................................................................................. 10-8
10.4.3.1 Protective Functions....................................................................................................................................................................................10-8
10.4.4 Backup Battery......................................................................................................................................................................... 10-8
10.4.4.1 Backup Battery............................................................................................................................................................................................10-8
10.4.5 Energy-Saving Function .......................................................................................................................................................... 10-8
10.4.5.1 Overview .....................................................................................................................................................................................................10-8
10.4.5.2 Power Supply Control .................................................................................................................................................................................10-9
10.4.5.3 SNMP setup ................................................................................................................................................................................................10-9
10.5 Parts Replacement Procedure...................................................................................................................................10-12
10.5.1 External Covers...................................................................................................................................................................... 10-12
10.5.1.1 Front Cover ...............................................................................................................................................................................................10-12
10.5.1.1.1 Detaching the Front Cover ................................................................................................................................................................10-12
10.5.1.2 Right Lower Cover....................................................................................................................................................................................10-12
10.5.1.2.1 Detaching the Right Lower Cover ....................................................................................................................................................10-12
10.5.1.3 Right Front Cover .....................................................................................................................................................................................10-12
10.5.1.3.1 Removing the Right Front Cover .....................................................................................................................................................10-12
10.5.1.4 Rear Right Cover.......................................................................................................................................................................................10-13
10.5.1.4.1 Detaching the Rear Right Cover .......................................................................................................................................................10-13
10.5.1.5 Upper Left Cover ......................................................................................................................................................................................10-14
10.5.1.5.1 Detaching the Left Cover ..................................................................................................................................................................10-14
10.5.1.6 Left Lower Cover ......................................................................................................................................................................................10-14
10.5.1.6.1 Detaching the Left Lower Cover.......................................................................................................................................................10-14
10.5.1.7 Left Rear Cover (Upper) ...........................................................................................................................................................................10-14
10.5.1.7.1 Detaching the Left Rear Cover..........................................................................................................................................................10-14
10.5.1.8 Rear Upper Cover .....................................................................................................................................................................................10-14
10.5.1.8.1 Detaching the Rear Upper Cover ......................................................................................................................................................10-14
10.5.1.9 Rear Lower Cover .....................................................................................................................................................................................10-15
10.5.1.9.1 Detaching the Rear Lower Cover......................................................................................................................................................10-15
10.5.1.10 Reader Front Cover .................................................................................................................................................................................10-15
10.5.1.10.1 Detaching the Reader Front Cover..................................................................................................................................................10-15
Contents