Contents9.5.19.1 Removing the Lower Separation Claw................................................................................................................................. 9- 20Chapter 10 External and Controls10.1 Control Panel .......................................................................................................................................... 10- 110.1.1 Overview ..............................................................................................................................................................10- 110.2 Counters ................................................................................................................................................. 10- 110.2.1 Soft Counter .........................................................................................................................................................10- 110.3 Fans........................................................................................................................................................ 10- 210.3.1 Fans .....................................................................................................................................................................10- 210.3.2 Fans .....................................................................................................................................................................10- 410.3.3 Sequence of Fan Operation .................................................................................................................................10- 510.4 Power Supply System ............................................................................................................................ 10- 610.4.1 Power Supply .......................................................................................................................................................10- 610.4.1.1 Overview of the Power Supply System ................................................................................................................................ 10- 610.4.2 Protection Function ..............................................................................................................................................10- 610.4.2.1 Protective Functions............................................................................................................................................................. 10- 610.4.3 Backup Battery.....................................................................................................................................................10- 710.4.3.1 Back-Up Battery ................................................................................................................................................................... 10- 710.4.4 Energy-Saving Function.......................................................................................................................................10- 810.4.4.1 Overview .............................................................................................................................................................................. 10- 810.4.4.2 SNMP setup ......................................................................................................................................................................... 10- 910.5 Parts Replacement Procedure ............................................................................................................. 10- 1110.5.1 External Covers..................................................................................................................................................10- 1110.5.1.1 Front Cover ........................................................................................................................................................................ 10- 1110.5.1.2 Rear Cover......................................................................................................................................................................... 10- 1110.5.1.3 Inside Upper Cover ............................................................................................................................................................ 10- 1110.5.1.4 Fixing/Feeding Unit Cover.................................................................................................................................................. 10- 1110.5.1.5 Upper Vertical Path Cover ................................................................................................................................................. 10- 1210.5.1.6 Upper Front Cover Unit ...................................................................................................................................................... 10- 1210.5.1.7 Upper Rear Cover .............................................................................................................................................................. 10- 1210.5.1.8 Main Controller Box Cover ................................................................................................................................................. 10- 1210.5.1.9 System Connector Cover ................................................................................................................................................... 10- 1210.5.1.10 Reader Controller Cover .................................................................................................................................................. 10- 1310.5.2 Left Pickup Drive Assembly ...............................................................................................................................10- 1310.5.2.1 Removing the Left Pickup Drive Assembly ........................................................................................................................ 10- 1310.5.3 Pickup Drive Assembly ......................................................................................................................................10- 1310.5.3.1 Removing the Pickup Drive Assembly ............................................................................................................................... 10- 1310.5.4 Developing Drive Assembly ...............................................................................................................................10- 1410.5.4.1 Removing the Developing Drive Assembly ........................................................................................................................ 10- 1410.5.5 Vertical Path Drive Assembly.............................................................................................................................10- 1410.5.5.1 Removing the Vertical Path Drive Assembly...................................................................................................................... 10- 1410.5.6 Waste Toner Drive Assembly.............................................................................................................................10- 1510.5.6.1 Removing the Waste Toner Drive Assembly ..................................................................................................................... 10- 1510.5.7 Multifeeder Pickup Drive Assembly....................................................................................................................10- 1510.5.7.1 Removing the Multifeeder Pickup Drive Assembly ............................................................................................................ 10- 1510.5.8 Lifter Drive Assembly .........................................................................................................................................10- 1510.5.8.1 Removing the Lifter Drive Assembly (right deck) ............................................................................................................... 10- 1510.5.8.2 Removing the Lifter Drive Assembly (left deck) ................................................................................................................. 10- 1610.5.9 Main Drive Assembly .........................................................................................................................................10- 1610.5.9.1 Removing the Main Drive Assembly .................................................................................................................................. 10- 1610.5.10 Drum Drive Assembly.......................................................................................................................................10- 1610.5.10.1 Removing the Drum Drive Assembly ............................................................................................................................... 10- 1610.5.11 Cassette Pickup Drive Assembly .....................................................................................................................10- 1710.5.11.1 Removing the Cassette Pickup Drive Assembly .............................................................................................................. 10- 1710.5.12 Power Supply Unit............................................................................................................................................10- 1810.5.12.1 Removing the Power Supply Unit..................................................................................................................................... 10- 1810.5.13 Control Panel....................................................................................................................................................10- 18