D014/D015/D078/D079 xii SM
3.5.9 REGISTRATION MOTOR..........................................................3-73
3.5.10 DOUBLE-FEED DETECTION LED ......................................3-74
3.6 IMAGE TRANSFER UNIT...................................................................3-75
3.6.1 EMPTYING THE DUST COLLECTION UNIT ............................3-75
3.6.2 SEPARATING THE BELT UNIT AND BELT CLEANING UNIT .3-76
Disassembly and ITB Replacement ..............................................3-76
3.6.3 REASSEMBLING THE BELT UNIT AND BELT CLEANING UNIT3-78
Before You Begin... .......................................................................3-78
Reassembling the Belt Unit and Cleaning Unit..............................3-80
Dusting the ITB with Lubricant Powder .........................................3-82
3.6.4 ITB CLEANING UNIT.................................................................3-83
Lubricant Blade .............................................................................3-84
Lubricant Brush Roller, Lubricant Bar............................................3-84
ITB Cleaning Blade .......................................................................3-85
ITB Brush Cleaning Roller.............................................................3-86
3.6.5 MUSIC AND ID SENSORS........................................................3-87
3.6.6 IMAGE TRANSFER POWER PACK..........................................3-88
3.6.7 BELT POSITION SENSOR........................................................3-90
3.7 FUSING UNIT .....................................................................................3-91
3.7.1 REMOVING THE FUSING UNIT ...............................................3-91
3.7.2 FUSING CLEANING UNIT.........................................................3-93
Fusing Belt Strippers .....................................................................3-93
Oil Supply Roller Cleaning Roller, Oil Supply Roller......................3-95
3.7.3 FUSING LAMPS, DIVIDING THE FUSING UNIT ......................3-96
3.7.4 FUSING UNIT ROLLERS, FUSING BELT.................................3-99
Removing the Fusing Belt, Hot Roller, Heating Roller, Pressure
Roller.............................................................................................3-99
Lubrication after Replacement.....................................................3-102
Adjusting the Gap Between Fusing Belt Strippers and Fusing Belt3-102
3.7.5 IMPORTANT WARNING ABOUT THERMOSTATS ................3-104
3.8 BOARDS...........................................................................................3-105
3.8.1 PCB LAYOUT ..........................................................................3-105
3.8.2 CONTROLLER ........................................................................3-108
When installing the new controller board.....................................3-108
After installing the controller board..............................................3-109
3.8.3 IPU/VBCU................................................................................3-110