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Technical Explanation > Image Formation System > Controls > Drum Unit / Developing Unit
Technical Explanation > Image Formation System > Controls > Drum Unit / Developing Unit
Controls
■
Overview
Parts / Drive Configuration
Drum Cleaning / Drum Cleaning Pre-
exposure Control
Drum Unit Detection
Drum Unit Life Detection
Primary Charging
Parts / Drive Configuration
Opening/Closing of Toner Container
Shutter
Bottle State Detection
Toner Container Detection
ATR (Auto Toner Replenishment) Control
Toner Supply Control
Toner Level Detection
Detection of Completion of Toner
Parts / Drive Configuration
Primary Transfer Control
Secondary Transfer Control
Primary Transfer Roller Disengagement
Control
ITB Displacement Correction
ITB Cleaning
Secondary Transfer Outer Roller Cleaning
Parts / Drive Configuration
Waste Toner Container Full Level Detection
Detection of Completion of Waste Toner
Replacement
Waste Toner Container Detection
Control Timing List
Laser Power Correction (D-max) Control
D-half Control
ARCDAT Control (Automatic and Reciprocal
Color Density Adjustment Technology)
Color Displacement Correction Control
Patch Sensor Adjustment
Auto Gradation Adjustment (PASCAL)
Special Controls
Warm-up Rotation Control
Behavior When Color Printing is Limited or
■
Drum Unit / Developing Unit
●
Parts / Drive Configuration
CL01
CL02
CL03
CL04
M
10
M02
M0
3
[1]
[2]
[3]
[4]
[5]
[6]
[7]
Parts name
Role
[1] Developing Cylinder
The toner and carrier inside the Developer Container are coated on
the surface, and the toner is developed on the Photosensitive Drum.
[2] Developer Feed
Screw A
Toner and carrier in the Developer Container are supplied to the
Developing Cylinder.
[3] Developer Feed
Screw B
Toner and carrier in the Developer Container are stirred and supplied
to the Developer Feed Screw A.
[4] Cleaning Blade
Residual toner on the Photosensitive Drum is removed.
[5] Primary Charging
Roller
The surface of the Photosensitive Drum is charged to make a uniform
potential.
[6] Drum Cleaning Pre-
exposure LED
Residual charge remaining on the Photosensitive Drum surface is
removed.
[7] Cleaning Screw
Residual toner is fed.
M02 Bk Drum _ ITB Motor The Photosensitive Drum (Bk) is rotated.
M03 CL Drum Motor
The Photosensitive Drum (Y/M/C) is rotated.
M10 Developing Motor
The Y, M, C, Bk Developing Cylinder and the Developer Feed Screw
are rotated.
CL01
to 04
Developing Cylinder
Clutch Y/M/C/Bk
The drive path to the Y/M/C/Bk Developing Unit is switched.
Related Error Code:
E010-0001/0002/0003 : Bk Drum_ITB Motor error
E012-0001/0002/0003 : CL Drum Motor error