Canon imagePRESS 1135 Series Service Manual page 90

2
Technology > Image Formation System > Various Types of Control > Transfer/Separation
■ Transfer/Separation
● Overview
Transfer the toner on the photosensitive drum onto paper.
Pre-primary transfer
charging unit
ITB cleaning unit
Pre-primary transfer
charging wire
ITB drive roller
ITB cleaning
blade ITB unit
Secondar transfer
internal roller
Toner feed screw
Magnet roller
Secondar transfer external roller
Static eliminator
Part Name
ITB unit Transfer the toner on the photosensitive drum onto paper.
ITB (Intermediate Transfer Belt) Transfer the toner on the photosensitive drum.
Primary transfer roller Draw the toner on the photosensitive drum to the ITB.
Secondary transfer internal roller Press the toner on the ITB onto the paper.
At the time of cleaning, attach the toner on the secondary
transfer external roller to the ITB.
ITB drive roller Rotate the ITB.
Steering roller Correction the ITB regstration.
Primary transfer static eliminator Eliminate the charge on the ITB after primary transfer.
ITB cleaning unit Remove the toner on the ITB.
ITB magnet roller Coat theITB surface with an even and thin toner layer.
ITB cleaning blade Remove the toner on the ITB.
ITB cleaning screw Feed the toner in the ITB cleaning unit.
Patch sensor unit Detect the toner density on the ITB.
Pre-primary tranfer charging unit Toner is negatively charged furthermore.
Pre-primary transfer charging wire Apply a negative charge to the toner on the photosensitive
drum.
Secondary transfer unit Transfer the toner on the ITB onto the paper.
Secondary transfer external roller Feed the paper for which transfer is being performed.
At the time of reading a patch image, the roller is
disengaged from the ITB.
Secondary transfer stati eliminator Eliminate the charge on the paper after secondary transfer.
2 Technology > Image Formation System > Various Types of Control > Transfer/Separation
Photosensitive
Patch sensor
drum
Static eliminator
Primary
Steering roller
charging roller
ITB
F-2-54
Function
● Drive Configuration
M8
CL1
Part Name
Pre-primary transfer charging
M5
wire cleaning motor
M8 ITB motor
M9 ITB steering motor
Secondary transfer external
M13
roller engage/disengage motor
SL1 Patch sensor shutter solenoid
CL1 ITB cleaning clutch
PS6 ITB displacement sensor
Steering roller home position
PS7
sensor
PS9 Patch sensor
Secondary transfer external
PS17
roller engage/disengage sensor
PS124 ITB environment sensor
T-2-36
M5
PS124
PS7
PS6
PS17
M13
Function
Drive of the pre-primary toransfer charging wire cleaner.
Rotation of the ITB drive roller, ITB cleaning screw, and
magnet roller.
Move of the steering roller.
Engagement/disengagement of the secondary transfer
roller.
Opening/closing of the patch sensor shutter.
Rotation of the ITB cleaning screw and magnet roller.
Detection of the ITB displacement.
Detection of the position of the steering roller.
Detection of the patch density at D-max and D-half.
Detection of engagement/disengagemnt of the secondary
transfer external roller.
Detection of the temperature and humidity in the ITB unit.
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M9
PS9
F-2-55
T-2-37
2-42