Chapter 11
11-1
11.1 DC Controller
11.1.1 Overview
0020-2652
The CPU in the DC controller PCB controls the operational sequence of the machine.
1) When the power switch of the machine is turned ON, DC power is supplied from the low-voltage power PCB to the DC controller PCB.
2) The CPU in the DC controller PCB starts to control the printer operation.
3) The DC controller receives a print command and image data from the main controller.
4) When the machine is placed in standby, the CPU sends signals to drive each load, such as laser diode, motors, and solenoids, etc.
F-11-1
Driver PCB
DC controller PCB
Cassette paper sensor
Manual feed paper
sensor
ADF paper sensor
Registration sensor
+3.3V
+5V
+24V
AC input
IC1007
EEPROM
IC1002
Reset IC
Drum motors
Paper displacement
sensor
Paper loop sensor
Pre-registration sensor
M
M
Duplexing feed motor
Color displacement
/density sensors
Developing
disengagement solenoids
manual pickup solenoid
Cassette pickup solenoid
ETB disengagement
solenoid
Low-voltage power PCB
Fixing delivery sensor
ADF paper trailing edge
sensor
M
ETB motor
Reverse motor
M
M
Fixing motor
Pickup motor
Environment sensor
Fixing pressure release
sensor
Front cover sensor
Drum HP sensors
Toner level detection
assembly
ADF pickup solenoid
Laser scanner units
BD circuit
Laser driver
New cartridge sensor
Reader HP sensor
SL
Fixing
control
circuit
M
Low-voltage
power circuit
SL
SL
SL
SL
IC801
DUPLEX
CPU
SL
FAN
IC802
Reverse sensor
Delivery sensor
Delivery paper full-level sensor
Duplexing solenoid
Duplex fan
Developing
disengagement sensors
Reverse driver PCB
IC803
Attraction roller
Primary charging rollers
Developing cylinders
Photosensitive drums
Memory tags
High-voltage power PCB
Transfer rollers
ETB unit
Toner cartridges
CPU
(IC1001)
Fixing unit
Main unit fan
IC401
ASIC
(IC1010)
Memory controller PCB
Main controller PCB
ADF
Scanner motors
Содержание iR C1020 Series
Страница 1: ...Sep 8 2008 Service Manual iR C1020 Series iR C1021i ...
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Страница 18: ...Contents ...
Страница 19: ...Chapter 1 Introduction ...
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Страница 57: ...Chapter 2 Installation ...
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Страница 73: ...Chapter 3 Basic Operation ...
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Страница 133: ...Chapter 7 Laser Exposure ...
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Страница 304: ...Chapter 15 15 8 15 3 2 2 Fans 0019 5064 F 15 11 T 15 3 Notation Name FM1 main unit fan FM2 duplex fan FM2 FM1 ...
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Страница 317: ...Chapter 16 Error Code ...
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Страница 345: ...Chapter 18 Service Mode ...
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Страница 389: ...Chapter 19 Upgrading ...
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Страница 396: ...Chapter 19 19 4 3 Click Next F 19 4 4 Select a USB connected device and click Next F 19 5 ...
Страница 397: ...Chapter 19 19 5 5 Click Start F 19 6 6 Click Yes F 19 7 Download will be started F 19 8 ...
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Страница 401: ...Chapter 20 Service Tools ...
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