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Technology > Laser Exposure System > Overview > Overview
Technology > Laser Exposure System > Overview > Overview
Laser Exposure System
Overview
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Overview
To realize the high-speed printing, this machine adopts the 2 Laser Scanner Units and the
Laser Driver of each color executes laser scanning with 4-beam.
imageRUNNER ADVANCE C5255 / C5250 employs 4 beam and C5240 / 5235 employs 2
beam.
M
Y
Bk
C
Laser A
Laser B
Laser C
Laser D
Skew Correction
Motor M (M32)
Imaging Lens
Skew Correction Motor Y (M31)
Skew Correction Motor Bk (M34)
Imaging Lens
Skew Correction Motor C (M33)
Laser Scanner Unit 2
BD Sensor (C, Bk)
Laser Driver PCB C (UN15)
Laser Driver PCB Bk (UN14)
BD Sensor (Y, M)
Laser Driver PCB Y (UN13)
Laser Driver PCB M (UN12)
Scanner
Mirror
Scanner
Mirror
Laser Scanner Unit 1
This machine emits the laser to the image area on the drum negatively-charged.
Non-image area
Image area
Non-image area
Laser ON
Enlarged view
F-2-44
F-2-45
Y
M
C
Bk
Imaging Lens
Imaging
Lens
Imaging
Lens
Reflection Mirror
Reflection Mirror
Reflection
Mirror
Reflection
Mirror
Reflection
Mirror
Reflection
Mirror
Laser Scanner Unit 1
Laser Scanner Unit 2
Scanner
Mirror
Laser
Driver
(Y)
Laser
Driver
(Y)
Laser
Driver
(Bk)
Laser
Driver
(Bk)
Laser
Driver
(C)
Laser
Driver
(C)
Laser
Driver
(M)
Laser
Driver
(M)
Scanner
Mirror
Scanner
Mirror
F-2-46