AR-335 (serv.man11). AR280 285 335 Service Manual-Settings and Adjustments - Sharp Copying Equipment Service Manual (repair manual). Page 24

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The ADF document lead edge stop position is adjusted by using
SIM 53. 

•

When shipping, the lead edge is set to (8). An adjustment may be
required depending on documents.
The adjustment range is 8mm (8 steps) in the stopper side and
7mm (7 steps) in the glass side. (1mm: 1 step) For each mode of
single, and duplex, the adjustment value can be set independently.

1) Execute SIM 53-1 on the copier. 

2) Enter the stop position adjustment value in each mode. 

[Explanation of abbreviation]

NORMAL (S):

Single, normal paper stop position adjustment

NORMAL (D):

Duplex, normal paper stop position adjustment

08: 

±

0.0000mm

00: –8.000mm

09: +1.000mm

(Initial value)

01: –7.000mm

10: +2.000mm

02: –6.000mm

11: +3.000mm

03: –5.000mm

12: +4.000mm

04: –8.000mm

13: +5.000mm

05: –8.000mm

14: +6.000mm

06: –8.000mm

15: +7.000mm

07: –8.000mm

1) Execute SIM 53-2 on the copier

2) Select each sensor and press the EXECUTE key, and the adjust-

ment will be performed automatically. 

REGIST (DFD):

Resist sensor

TIMING (DTD):

Timing sensor

REVERSE (RDD):

Reverse sensor 

1

1: Only when the AR-RF1 is installed.

The RADF (ADF) single unit operation can be checked with the DIP
switch on the control PWB shown below. 

(Control PWB view)

(DIP switch view)

(Operating procedure)

1) Remove the control PWB cover.

2) Disconnect the connector from the CN9 on the control PWB, and

connect the short connector (OCW4074K526//) instead.

0

10 11 12 13 14 15

2

3

4

5

6

7

(8)

9

1

8mm

7mm

Stopper

Glass

Viewed from the operator

DIP switch

CPU

EEP ROM

G/A

Push switch

OFF

ON

SW

No.1

2

3

4

5

Control PWB

Remove

CN9

Short connector (0CW4074K526//)

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