6.7 PCBs
6.7.1 Reader Unit
Ref.
[1]
[2]
[3]
[4]
[5]
6.7.2 Printer Unit
Notation
[6]
[7]
[8]
[9]
[10]
[11]
[12]
[13]
[14]
[15]
[16]
[17]
[18]
Name
reader controller PCB
interface PCB
inverter PCB
CCD/AP PCB
fuse PCB
Name
DC controller PCB
Laser driver PCB (Y)
Laser driver PCB (M)
Laser driver PCB (C)
Laser driver PCB (Bk)
BD detection PCB (Y)
BD detection PCB (M)
BD detection PCB (C)
BD detection PCB (Bk)
Waste toner detection PCB (light-
emitting)
Waste toner detection PCB (light-
receiving)
Auto registration sensor F (light-
emitting) detection PCB
Auto registration sensor F (light-
receiving) detection PCB
T-6-10
Description
controls the reader unit/ADF.
communicates image information read by the reader unit to
the printer unit.
controls the scanning lamp.
drives the CCD/processes analog images.
controls mirrors/lens heater.
T-6-11
Description
controls the power supply to the printer unit/
accessories
controls the drive of the laser unit (Y)
controls the drive of the laser unit (M)
controls the drive of the laser unit (C)
controls the drive of the laser unit (Bk)
detects the laser beam (Y)
detects the laser beam (M)
detects the laser beam (C)
detects the laser beam (Bk)
detects the level of toner inside the waste
toner container
detects the level of toner inside the waste
toner container
reads the image position correction pattern
reads the image position correction pattern
Chapter 6
0001-0442
0001-0448
6-11