SM xi D014/D015/D078/D079
3.3.4 SP ADJUSTMENTS AFTER LASER UNIT REPLACEMENT ....3-30
Color Registration Errors...............................................................3-31
Skew .............................................................................................3-31
3.3.5 LASER SYNCHRONIZATION DETECTOR...............................3-32
3.4 PCU ....................................................................................................3-33
3.4.1 CHARGE UNITS........................................................................3-33
Preparation....................................................................................3-33
Charge Roller Unit: YMC PCUs.....................................................3-34
Charge Wire Unit: K PCU..............................................................3-35
3.4.2 SEPARATING DRUM/CLEANING UNIT, REMOVING THE OPC
DRUM .................................................................................................3-36
Reinstallation of the Drum .............................................................3-37
3.4.3 PCU BLADES AND ROLLERS ..................................................3-39
Lubricant Bar and Lubricant Blade ................................................3-40
Lubricant Brush Roller...................................................................3-42
Drum Cleaning Blade ....................................................................3-43
After Replacement.........................................................................3-44
3.4.4 DEVELOPER REPLACEMENT .................................................3-46
Preparation....................................................................................3-46
Removing the old developer..........................................................3-47
Adding New Developer..................................................................3-53
Handling Problems with Developer Filling .....................................3-57
3.4.5 NEW PCU..................................................................................3-59
3.4.6 SP CODES AFTER REPLACEMENTS .....................................3-62
3.5 PTR UNIT ...........................................................................................3-64
3.5.1 RELAY SENSOR .......................................................................3-64
3.5.2 DOUBLE-FEED DETECTION PHOTOSENSOR, REGISTRATION
SENSOR.............................................................................................3-65
3.5.3 PTR UNIT ..................................................................................3-66
3.5.4 PAPER TRANSFER ROLLER, DISCHARGE PLATE................3-68
3.5.5 LUBRICANT BAR ......................................................................3-69
3.5.6 CLEANING BLADE....................................................................3-70
3.5.7 CLEANING BRUSH ROLLER....................................................3-71
Replacement .................................................................................3-71
3.5.8 PAPER TRANSPORT BELT, PAPER SEPARATION POWER
PACK ..................................................................................................3-72
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