Canon IMAGERUNNER ADVANCE C5030, Service Manual, Page: 93 / 1455

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Technology■>■Image■Formation■System■>■Controls■>■Transfer/separation
Technology■>■Image■Formation■System■>■Controls■>■Transfer/separation
Primary transfer
roller(C)
Primary transfer
detachment
sensor 1(PS22)
Primary transfer
detachment
sensor 2(PS23)
Primary transfer
disengagement
motor(M15)
Sensor flag
Primary transfer
roller(Y)
Primary transfer
roller(M)
Support arm
Support arm
Cam
Drive shaft
ITB
Drive shaft
Primary transfer
auxiliary roller
Related■error■code
E074-0001:■ITB■pressurized■operation■error
E074-0002:■ITB■disengaged■operation■error
E074-0003:■Breakdown■of■Primary■Transfer■Pressure■Sensor■and■Primary■Transfer■Disengage■
Sensor.
F-2-84
■ ● Primary■transfer■bias■control
This■control■transfers■toner■on■the■photosensitive■drum■to■the■ITB.
The■primary■transfer■bias■(DC),■which■has■been■generated■by■HVT2■(UN17),■is■applied■to■the■
primary■transfer■roller.
Bias■value■is■determined■by■the■measurement■value■of■environment■sensor■1■(UN22)
HVT2 (UN17)
DC controller(UN1)
DC DC DC DC
Primary transfer
roller(Bk)
Primary transfer
roller(C)
Primary transfer
roller(M)
Primary transfer
roller(Y)
F-2-85