Controller System; Construction; Outline; Motor Control - Canon Color imageRUNNER LBP5280 Service Manual

2
Technical Reference > Controller System > Construction > Safety

Controller System

Construction

■ Outline

The DC controller controls the operational sequence of the printer.
Fixing Assembly
Power Supply
AC Input
Unit
Low-Voltage
Power Supply
Cartridge
High-Voltage
Power Supply
ITB Unit
Option
Main Controller
Operation Panel
Symbol for component
Motor M1 Drum motor
M2 Developing motor
M3 Registration motor
M4 Fixing motor
M5 Pickup motor
M7 Scanner motor
FAN FM1 Fixing/Fixing power supply cooling fan
FM2 Duplex cooling fan
2 Technical Reference > Controller System > Construction > Safety
Fan
Motor
M
Solenoid
CL Clutch
Switch
DC Controller
Photointerrupter
Sensor
Laser Scanner
Name
Symbol for component
Solenoid
Sensor
Clutch

■ Motor control

The printer has five motors. The motors are used for the media feeding and image formation.
Name
Drum motor M1 Photosensitive drum, ITB
Developing motor M2 Developing Cylinder, developing disengagement assembly Available
Registration motor M3 Registration roller
Fixing motor M4 Pressure roller, delivery roller, duplex feeding roller
Pickup motor M5 Pickup roller, multi manual feed feeding roller, multi manual
F-2-19

■ Safety

The printer detects the door open and close status by monitoring the door open detection
sensors.
The DC controller stops driving the motors and solenoids if the sensor detects a door open.
Name
SL1 Bypass tray pickup solenoid
SL2 Cassette pickup solenoid
SL3 Developing separation solenoid
SL5 Duplex reversal solenoid
SL6 Paper feeder pickup solenoid
SR1 Paper feeder pre-registration detection sensor
SR2 Front door open/close sensor
SR3 Paper feeder paper detection sensor
SR4 Registration detection sensor
SR6 Developing HP sensor
SR7 Bypass tray pre registration detection sensor
SR8 Fixing delivery sensor
SR9 Fixing pressure release sensor
SR10 Fixing loop sensor
SR12 Pre-registration detection sensor
SR13 Cassette paper detection sensor
SR14 Bypass paper detection sensor
SR15 Delivery full sensor
SR16 ITB pressure release sensor
CL1 Bypass tray feeding clutch
CL2 Duplex feeding clutch
Driving parts
feed pickup roller
2-19
T-2-3
Failure
detection
Available
NA
Available
NA
T-2-4
2-19