d-Color MF4003/MF3303
P THEORY OF OPERATION > 1.
d-Color MF4003/MF3303
P-8
[1]
[2]
[7]
[5]
[5]
[4]
[3]
[6]
[1]
Laser diode
[2]
Return mirror
[3]
G2 lens
[4]
Return mirror/1
[5]
G1 lens
[6]
Return mirror/2
[7]
Polygon motor (M7)
[]
(3) Laser emission timing
• When a ready signal is detected after the lapse of a given period of time after the print cycle has been started, a laser ON signal is output
from the base board.
• The laser ON signal triggers the firing of each laser light, which illuminates the index board via the polygon mirror, G1 lens, index mirror
(K), and Index lens. This generates an Index signal.
• This index signal has a function of keeping the same laser light emission timing per every one line in the main scanning direction.
• The index signal is generated with the K laser light only. The laser light emission timing for other colors is determined with reference to K.
(4) Laser emission area
Service Manual
Y119930-3
Содержание d-Color MF 4003
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Страница 687: ...UPDATINGSTATUS DATE UPDATED PAGES PAGES CODE 2nd EDITION 688 Y119930 3 07 2019 1st EDITION 650 06 2020 ...