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Technical Reference > Controller System > Construction > Safety
Technical Reference > Controller System > Construction > Safety
Controller System
Construction
■
Outline
The DC controller controls the operational sequence of the printer.
M
CL
Motor
Solenoid
Photointerrupter
Switch
Sensor
Fan
Clutch
Laser Scanner
AC Input
Fixing Assembly
High-Voltage
Power Supply
Low-Voltage
Power Supply
Power Supply
Unit
Option
Main Controller
Cartridge
DC Controller
ITB Unit
Operation Panel
Symbol for component
Name
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
F-2-19
Symbol for component
Name
Solenoid
SL1
Bypass tray pickup solenoid
SL2
Cassette pickup solenoid
SL3
Developing separation solenoid
SL5
Duplex reversal solenoid
SL6
Paper feeder pickup solenoid
Sensor
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
Clutch
CL1
Bypass tray feeding clutch
CL2
Duplex feeding clutch
■
Motor control
The printer has five motors. The motors are used for the media feeding and image formation.
Name
Driving parts
Failure
detection
Drum motor
M1 Photosensitive drum, ITB
Available
Developing motor
M2 Developing Cylinder, developing disengagement assembly Available
Registration motor M3 Registration roller
NA
Fixing motor
M4 Pressure roller, delivery roller, duplex feeding roller
Available
Pickup motor
M5 Pickup roller, multi manual feed feeding roller, multi manual
feed pickup roller
NA
■
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.
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T-2-4
Summary of Contents for Color imageRUNNER LBP5280
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Page 216: ...5 5 5 19 5 19 Troubleshooting Error Code Jam Code Troubleshooting Error Code Jam Code ...
Page 276: ... General Timing Chart General Circuit Diagram Signal Input Output List Appendix ...
Page 283: ...6 8 6 8 Appendix Backup Data Appendix Backup Data ...
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