© July 2006 TOSHIBA TEC e-STUDIO163/203 CONTENTS
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12.4 Toner Motor Control Circuit ...............................................................................................12-7
12.5 Auto-Toner Circuit..............................................................................................................12-8
12.5.1 General description ................................................................................................12-8
12.5.2 Function of auto-toner sensor ................................................................................12-9
12.6 Disassembly and Replacement .......................................................................................12-11
13. FUSER / EXIT UNIT ....................................................................................................13-1
13.1 General Description...........................................................................................................13-1
13.2 Configurations....................................................................................................................13-2
13.3 Functions...........................................................................................................................13-3
13.4 Operation...........................................................................................................................13-4
13.5 Fuser Unit Control Circuit ..................................................................................................13-5
13.5.1 Configuration ..........................................................................................................13-5
13.5.2 Temperature detection section...............................................................................13-6
13.6 Disassembly and Replacement .......................................................................................13-11
14. POWER SUPPLY UNIT ..............................................................................................14-1
14.1 Construction.......................................................................................................................14-1
14.2 Operation of DC Output Circuit..........................................................................................14-2
14.3 Output Channel .................................................................................................................14-3
14.4 Fuse................................................................................................................................... 14-4
14.5 Configuration of Power Supply Unit...................................................................................14-5
14.6 Power Supply Sequence ...................................................................................................14-6
14.7 AC Wire Harness...............................................................................................................14-7
15. PC BOARDS ...............................................................................................................15-1