Develop ineo+ 6500 Service Manual page 178

Theory of Operation Ver1.0 Sep.2006
B. Double-sided mode
1.
The first sheet of original is conveyed in the same manner as in single-sided mode. [1]
2.
While front side of the first sheet is being scanned [2], the second sheet is conveyed from the tray and is
formed a loop to corrected its skew [3], and the registration roller nips the original [4].
3.
When paper exit operation starts [6] after the back side scan [5] of the first sheet is completed, the second
sheet on standby at the registration roller is conveyed to the conveyance section by the paper feed motor
(M301) [7] and the conveyance motor (M302) [8].
No paper sensor (PS304)
Registration sensor (PS301)
Registration clutch (MC301)
For-
ward
Paper feed
motor (M301)
Reve
rse
Timing sensor (PS302)
Forward
Conveyance
motor (M302)
Reve
rse
[1] First sheet conveyance
[2] Front side scanning of first sheet
[3] Loop formation of the second sheet
[4] Nipping by the registration roller
[5] Back side scanning of first sheet
[1]
High
Low
Low
High
Low
High
[2]
[3][4]
[5]
[6] Start conveying of the first sheet for paper
exit
[7] Conveyance of the second sheet (M301)
[8] Conveyance of the second sheet (M302)
4. PAPER FEED SECTION
[7]
[6] [8]
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