Sharp AR-DU1 (serv.man2) Service Manual ▷ View online
3
Change the set value.
<Example>
•
When setting to one-digit value (5)
•
When setting to two-digit value (15)
When the value is changed by 1, the center position is shifted by
about 0.12mm.
about 0.12mm.
★
Reference of set value change
4
After adjustment, make a copy to check the center is not shifted.
If the center is shifted, repeat procedures
3
and
4
and check
again.
5
After adjustment, press the CA key to cancel the setting mode.
[EXECUTE]
Set value
With the above operation,
the set value can be changed.
the set value can be changed.
5
[EXECUTE]
1
5
[EXECUTE]
0
99
The image is shifted to the front
of the paper.
of the paper.
(Shipment setting value)
The image is shifted to the rear
of the paper.
of the paper.
– 4 –
[4] EXTERNAL VIEW AND INTERNAL STRUCTURE
No.
Code
Name
Type
Function and operation
1
DPPD1
Paper in detector 1
Photo transmission
ADU tray paper in detection
2
DPPD2
Paper in detector 2
Photo transmission
ADU tray paper in detection
3
DPPD3
Paper in detector 3
Photo transmission
ADU tray paper in detection
4
—
Reverse motor
Pulse motor
Paper reversion and transport drive
5
—
Alignment motor
Pulse motor
Paper alignment plate drive
6
DTC1
Transport clutch 1
Electromagnetic clutch
7
DTC2
Transport clutch 2
Electromagnetic clutch
8
—
Transport roller 1
—
ADU tray paper transport
9
—
Transport roller 2
—
ADU tray paper transport
10
—
Transport roller 3
—
ADU tray paper transport
11
DSBS
Paper exit/reverse gate solenoid
Solenoid
Selection of paper exit to the lower stage of the 2-tray
paper exit unit and the reverse route
paper exit unit and the reverse route
12
DSCS
Contact/detach solenoid
Solenoid
Selection of paper storing and transport in ADU tray
13
—
Reverse roller
—
Selection of paper retaining and transport in paper
reversion
reversion
14
—
Transport roller
—
Paper transport
15
—
Alignment belt
—
Paper transport
16
—
Transport belt
—
Transport roller drive
17
—
Belt B
—
Transport roller drive
18
DAPD
Alignment plate home position detector
Photo transmission
Alignment plate home position detection
10
16
9
2. DPPD2
3. DPPD3
8
17
11. DSBS
13
12. DSCS
14
1. DPPD1
4
5
15
6. DTC1
7. DTC2
18. DAPD
– 5 –
[5] OPERATIONAL DESCRIPTIONS
1. Basic operation
This unit is stored under the transport base of the copier. In the
duplex copy mode, the paper discharged from the fusing section after
single copy is reversed by the switchback operation made by com-
bination of the solenoid in the 2-stage paper exit tray unit, the
solenoid and the reverse roller in the duplex module (hereinafter
referred to as ADU).
duplex copy mode, the paper discharged from the fusing section after
single copy is reversed by the switchback operation made by com-
bination of the solenoid in the 2-stage paper exit tray unit, the
solenoid and the reverse roller in the duplex module (hereinafter
referred to as ADU).
Then the paper is aligned by the ADU and transported to the copier
for duplex copy.
for duplex copy.
2. Details of operation
There are following three kinds of operations depending on the num-
ber and the size of papers.
ber and the size of papers.
A. Operation of one sheet of paper
B. Paper size A4 (11"
×
8.5") Portrait or less, two or more copies
C. Paper size B5R Landscape or above, two or more copies
A. Operation for one sheet of paper
1) Reverse operation (Solenoid A = ON, solenoid B =
ON.)
Paper is transported down and held there by normal rotation of the
reverse roller C.
reverse roller C.
C
B
A
– 6 –
2) Paper exit to ADU (Solenoids A and B = OFF)
Reversion of the reverse roller C feeds the document to the ADU.
3) Alignment operation (Alignment motor operation)
The paper fed to the ADU is aligned to the center position by the
alignment motor.
alignment motor.
4) Transport operation (Solenoid D = ON, reverse motor
C normal rotation, Transport belt rotation by turning
on the clutch)
on the clutch)
The paper in the ADU is transported to the copier transport section by
pressing the upper and lower transport rollers by solenoid D.
pressing the upper and lower transport rollers by solenoid D.
C
B
A
(A)
D
ON
ON
C
– 7 –
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