General Timing Chart; Sequence Of Operations (Reader Unit); Sequence Of Operations (Printer Unit) - Canon Color imageCLASS MF9170c Service Manual

1 General Timing Chart

Sequence of Operations (reader unit)

imageCLASS MF9170c / imageCLASS MF9150c / imageCLASS MF8450c
*1 Gain correction: The gain ratio of the analog video signal output from CCD is adjusted to be a fixed value.
*2 Move shading correction: Even when the document density is constant, the CCD output level does not become constant due to the following reasons.

Sequence of Operations (printer unit)

imageCLASS MF9170c / imageCLASS MF9150c / imageCLASS MF8450c
<Condition> Full color, Cassette, A4 Single-sided (2 prints, continuous)
Move shading correction *2
HP shift
Book Position shift
Start key ON Gain correction *1 Scan movement
STBY SREADY
Reader motor
(M12)
Document lamp
(LAMP1,2)
Reader HP sensor
(SR717)
HP Book Position Read end position
F-1-1
HP shift
HP
: Motor forward
: Motor reverse
: Document lamp ON
: Reader HP sensor ON
1