Oce 3121, Technical & Service Manual

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510 TSM Océ 3121 Functional description
The sequence of operations for the side registration.
The next figure shows the sequence of operations for rear/front registration de-
tection.
1: During the stacking phase, the retarding roller will switch ON and OFF.
2: During the stacking phase, the separator solenoid SL4 will energise as neces-
sary.
3: During the stacking phase, the sensor PS11 will detect the sheets as neces-
sary.
4: The edge of the paper is detected: as the vane is opened by the edge of the
paper.
5: The position of the edge of the paper differs, according to the size of the copy
paper. The start position is also variable.
HP: Home position of the registration sensor PS14.
SP: Start of the detection by the registration sensor PS14.
INTR/STMB PFR
H.P
S.P
*3
*2
*1
*4
Set-back roller
motor (M6)
Re-pick up flapper
solenoid (SL4)
Lower feeding assembly
re-pick up clutch (L5)
Re-pick up front
paper sensor (PS11)
Vertical path paper
sensor (PS8)
Vertical path roller
clutch (CL3)
Horizontal registration
motor (M9)
Horizontal sensor
(PS14)
Horizontal
sensor (PS14)
Re-pick up start Main power ON
Edge of paper
CW CCW
Reverse Reverse Forward Forward
10mm(approx.)