Konica Minolta 5430 DL 5440 DL 5450 User Manual
Service manual
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SERVICE MANUAL
2005.04
2005.04
Ver. 3.0
Ver. 3.0
2005.04
V
e
r.3.0
2005.04
V
e
r.3.0
© 2005 KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
© 2005 KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
Printed in Japan
Printed in Japan
4138-7990-31
4138-7990-31
Use of this manual should be strictly supervised to
avoid disclosure of confidential information.
Use of this manual should be strictly supervised to
avoid disclosure of confidential information.
THEORY OF OPERATION
THEOR
Y OF OPERA
TION
magicolor 5430 DL
magicolor 5440 DL
magicolor 5450
magicolor 5430 DL
magicolor 5440 DL
magicolor 5450
®
®
magicolor 5430 DL
magicolor 5440 DL
magicolor 5450
magicolor 5430 DL
magicolor 5440 DL
magicolor 5450
®
®
®
®
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Table of contents
Document Outline
- magicolor 5430 DL/magicolor 5440 DL magicolor 5450
- Safety and Important Warning Items
- Main Unit magicolor 5430 DL/magicolor 5440 DL magicolor 5450
- Contents
- I Outline
- II Composition/Operation
- 1. Overall Composition
- 2. Print Head (PH)
- 3. Toner Cartridge (TC) / TC Overall Composition
- 4. Toner Cartridge / Hopper
- 5. Toner Cartridge / Photo Conductor
- 6. Toner Cartridge / Charge Corona Section
- 7. Toner Cartridge / Developing Unit
- 7.1 Composition
- 7.2 Operation
- 7.2.1 Developing drive control
- 7.2.2 Toner flow
- 7.2.3 Developing system
- 7.2.4 Developing bias Vpp control (Ds compensation control)
- 7.2.5 Developing bias duty control (compensation control of the maximum amount of toner sticking to the Transfer Belt)
- 7.2.6 Gamma correction control
- 7.2.7 Cleaning mechanism
- 8. 1st Transfer Section
- 9. 2nd Transfer Section
- 9.1 Composition
- 9.2 Operation
- 9.2.1 2nd Transfer Roller pressure mechanism
- 9.2.2 2nd Transfer Roller pressure position deviation preventive mechanism
- 9.2.3 2nd transfer voltage control
- 9.2.4 2nd transfer voltage setting control (ATVC: Auto Transfer Voltage Control)
- 9.2.5 2nd transfer voltage fine-adjustment control
- 9.2.6 2nd Transfer Roller pressure/retraction failure detection control
- 9.2.7 2nd Transfer Roller cleaning control
- 9.2.8 2nd Transfer Roller cleaning operation timing
- 10. Toner Collecting Section
- 10.1 Composition
- 10.2 Drive
- 10.3 Operation
- 10.3.1 Toner collecting mechanism
- 10.3.2 Toner Collecting Port Shutter mechanism
- 10.3.3 Waste Toner Box locking mechanism
- 10.3.4 Waste Toner Box locked position detection mechanism
- 10.3.5 Waste Toner Box-in-position detection mechanism
- 10.3.6 Waste toner near-full condition detection
- 10.3.7 Waste toner full condition detection control
- 11. AIDC Sensor
- 12. Media Feed Section (magicolor 5430 DL)
- 12.1 Composition
- 12.2 Drive
- 12.3 Operation
- 12.3.1 Paper Lift Plate mechanism
- 12.3.2 Media separation mechanism
- 12.3.3 Media feed control
- 12.3.4 Media supply level detection control
- 12.3.5 Media empty condition detection control
- 12.3.6 Edge Guide Plate
- 12.3.7 Trailing Edge Guide Plate
- 12.3.8 Media size detection control
- 12.3.9 Media misfeed detection control
- 13. Media Feed Section (magicolor 5440 DL/5450)
- 13.1 Composition
- 13.2 Drive
- 13.3 Operation
- 13.3.1 Paper Lift Plate mechanism
- 13.3.2 Paper separation mechanism
- 13.3.3 Paper feed control
- 13.3.4 Paper supply level detection control
- 13.3.5 Paper empty condition detection control
- 13.3.6 Edge Guide Plate
- 13.3.7 Trailing Edge Guide Plate
- 13.3.8 Tray detection control
- 13.3.9 Media misfeed detection control
- 14. Manual Feed Section (magicolor 5440 DL/5450)
- 15. Conveyance Section
- 15.1 Composition
- 15.2 Drive
- 15.3 Operation
- 15.3.1 Conveyance speed control
- 15.3.2 Synchronizing Roller control
- 15.3.3 Control of loop formed before Synchronizing Roller
- 15.3.4 Control of loop formed before 2nd transfer
- 15.3.5 Control of loop formed before fusing section
- 15.3.6 Media neutralization
- 15.3.7 OHP film detection control
- 15.3.8 Media size error detection control
- 15.3.9 Conveyance system media misfeed detection control
- 15.3.10 Control of detection of media left in conveyance system
- 15.3.11 Control of detection of media left in machine upon stoppage of media conveyance
- 15.3.12 Temperature/humidity Sensor
- 16. Fusing Section
- 16.1 Composition
- 16.2 Drive
- 16.3 Operation
- 16.3.1 Fusing Pressure Roller pressure selection mechanism
- 16.3.2 Fusing Pressure Roller drive control
- 16.3.3 Fusing temperature control
- 16.3.4 Fusing temperature control management
- 16.3.5 Warm-up control
- 16.3.6 Post-warm-up control
- 16.3.7 Wait control
- 16.3.8 Print control
- 16.3.9 Post-print control
- 16.3.10 Heater OFF control
- 16.3.11 Heater control
- 16.3.12 PPM control
- 16.4 Malfunction detection
- 16.4.1 Fusing Unit malfunctions
- 16.4.2 Fusing Motor abnormal rotation detection control
- 16.4.3 Warm-up failure detection control
- 16.4.4 Abnormally low temperature detection control
- 16.4.5 Abnormally high temperature detection control
- 16.4.6 Open-circuited Heating Roller Thermistor (incorrect installation) detection control
- 16.4.7 Open-circuited Fusing Pressure Roller Thermistor (incorrect installation) detection control
- 16.4.8 Abnormal temperature increase rate detection control
- 16.4.9 Protection against abnormally high temperature
- 17. Image Stabilization Control
- 17.1 Overview of image stabilization control
- 17.1.1 Complete correction control
- 17.1.2 Simplified correction control
- 17.1.3 Image stabilization control execution request
- 17.1.4 Conditions enabling execution of stabilization control at the end of a print cycle of given conditions
- 17.1.5 Combination and execution sequence of different sub-controls
- 17.2 Operation flow of image stabilization control upon replacement of unit
- 17.1 Overview of image stabilization control
- 18. Miscellaneous
- Lower Feeder Unit
- Contents
- I Outline
- II Composition/Operation
- 1. Overall composition
- 2. Drive
- 3. Operations
- 3.1 Paper feed control
- 3.1.1 Paper Lift Plate mechanism
- 3.1.2 Feed Roller/Vertical Conveyance Roller control
- 3.1.3 Paper separation mechanism
- 3.1.4 Paper detection mechanism
- 3.1.5 Paper supply level detection control
- 3.1.6 Paper empty condition detection control
- 3.1.7 Edge Guide Plate
- 3.1.8 Trailing Edge Guide Plate
- 3.1.9 Paper size detection control
- 3.1.10 Paper reference position adjustment mechanism
- 3.1.11 Paper misfeed detection control
- 3.1 Paper feed control
- Duplex Option Duplex Option