Canon Color imageRUNNER C4580 Service Manual - page 254
Chapter 9
9-13
9.3.4 Making Copies/Prints (half speed)
Full color, Thick paper/Special paper/Transparency, A4, 2 copies/prints, Y drum unit
Characteristics
- in response to a press on the Start key, the photosensitive drum and the intermediate transfer belt (ITB) start
to rotate
- the sequence of operations of the drum units after exposure starts with a delay of 1.5 sec
- the photosensitive drum and the ITB continue to rotate after paper has been discharged from the fixing unit
(for post-imaging control)
F-9-9
*1ÅFLSTR is done for the following conditions.
-cumulative output (number of pages) is 100 or more
-cumulative output (number of pages) is 100 or more from Image position correction
ÅEcumulative output (number of pages) is 100 or more from SALT- Dmax control
1 :
PSTBY
PINTR
LSTR
PSTBY
Drum/ITB
motor (M1)
Exposure (Y)
Charging (DC)
bias (Y)
Development
motor (Y)
Developing (DC)
bias (Y)
Developing (AC)
bias (Y)
Upstream auxiliary (DC)
bias (Y)
Upstream auxiliary (AC)
bias (Y)
Downstream auxiliary (DC)
bias (Y)
Primary transfer
bias (Y)
Secondary
transfer bias
Charging (AC)
bias (Y)
Start key
ON
Cleaning by second-
ary transfer roller
Scraping off toner
by auxiliary brush
Scraping off toner
by auxiliary brush
Approx. 5.5sec
Approx. 8sec
Approx. 18sec
Y Drum Formation Sequence (thick paper/special paper/transparency)