Transfer/Separation Overview - Canon imageRUNNER ADVANCE C5045 Series Service Manual

2
Transfer/separation
Overview
Drive roller
(steering roller)
ITB Cleaning
blade
Waste toner
feeding screw
Primary transfer
auxiliary roller
Primary transfer
Tension roller
Primary transfer
roller
roller
(M)
(Y)
Toner on the photosensitive drum is transferred on paper
Parts name
ITB unit To transfer toner on the photosensitive drum to the paper
ITB (Intermediate Transfer Belt) To transfer toner on the photosensitive drum
Primary transfer roller To attract toner on the photosensitive drum to the ITB
Primary Transfer Auxiliary Roller To make the contact surface of Primary Transfer Roller (Y) with
the ITB horizontal.
Static eliminator To drive ITB. To correct the displacement of ITB.
ITB scraper To scrape toner inside the ITB
Tension roller To keep appropriate tension of the ITB
Cleaning blade To scrape toner on the ITB
Waste toner feeding screw
To feed residual toner inside the ITB cleaner unit
Secondary transfer unit To transfer toner on the ITB to the paper
Secondary transfer outer roller To attract toner on the ITB to the paper and feed the paper
Static eliminator To eliminate electric charge on the paper after secondary
transfer
2
Post-secondary transfer
static eliminator
ITB scraper
Secondary transfer
Primary transfer
Primary transfer outer roller
roller
roller
(Bk)
(C)
F-2-86 F-2-86
Function
T-2-31 T-2-31
Drive configuration
ITB motor
ITB displacement control motor
M13 M14
ITB steering
position sensor(PS24)
ITB displacement
sensor 1 to 4 (PS25
Primary transfer
Drive roller
disengagement sensor(PS23)
(steering roller)
Waste toner
feeding screw
ITB cleaning
Primary
blade
transfer
auxiliary roller
Primary transfer
Tension roller
Primary transfer roller(M)
roller(Y)
Parts name
To rotate the ITB and the waste toner screw
M13 ITB motor
M14 ITB displacement To move the drive roller (steering roller)
control motor
To make the tension roller and the primary transfer roller (Y/M/C)
M15 Primary transfer
disengagement motor engaged/disengaged
PS24 ITB steering position To detect position of the drive roller (steering roller)
sensor
To detect whether the Tension Roller and Primary Transfer
PS22 Primary Transfer
Roller (Y/M/C) are pressurized condition.
Pressure Sensor
To detect whether the Tension Roller and the Primary Transfer
PS23 Primary Transfer
Roller (Y/M/C) is disengaged condition.
Disengage Sensor
PS25 to 28 ITB displacement To detect position of the ITB
sensor
UN47 to 48 Patch Sensor (front/ To detect color displacement level (amount)
rear)
Patch Sensor (center) To detect patch density for image stabilization control (D-max,
UN49
D-half, etc.) and to detect the color displacement amount
UN54 ITB HP sensor To detect home position of the ITB
28)
Idol roller
ITB scraper
Primary transfer
disengagement sensor(PS22)
Secondary transfer
outer roller
Primary transfer
roller(C)
Patch sensor
Primary transfer
(Front/Center/Rear)
roller(Bk)
(UN47 / UN48 / UN49)
Primary transfer disengagement motor
M15
Function
2-53
F-2-87 F-2-87
T-2-32 T-2-32
2-53