4.4.6
4.5
LASER UNIT ............................................................................................ 4-19
4.5.1
4.5.2
4.5.3
LASER UNIT ................................................................................... 4-21
4.5.4
LD UNIT .......................................................................................... 4-22
4.5.5
4.5.6
4.6
PCU SECTION......................................................................................... 4-26
4.6.1
PCU ................................................................................................ 4-26
4.6.2
4.6.3
4.6.4
OPC DRUM .................................................................................... 4-29
4.6.5
4.6.6
CLEANING BLADE ......................................................................... 4-31
4.6.7
DEVELOPER .................................................................................. 4-32
4.6.8
4.7
PAPER FEED SECTION ......................................................................... 4-34
4.7.1
PAPER FEED ROLLER .................................................................. 4-34
4.7.2
FRICTION PAD ............................................................................... 4-35
4.7.3
PAPER END SENSOR ................................................................... 4-35
4.7.4
EXIT SENSOR ................................................................................ 4-36
4.7.5
4.7.6
4.7.7
4.7.8
4.7.9
4.7.10
4.7.11
PAPER SIZE SWITCH ................................................................ 4-42
4.8
IMAGE TRANSFER ................................................................................. 4-43
4.8.1
4.8.2
4.9
FUSING ................................................................................................... 4-45
4.9.1
FUSING UNIT ................................................................................. 4-45
4.9.2
THERMISTOR ................................................................................ 4-45
4.9.3
FUSING LAMPS ............................................................................. 4-46
iii