AR-505 (serv.man8). AR505 Service Manual-Setting Adjustments - Sharp Copying Equipment Service Manual (repair manual). Page 25

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

ment will be performed automatically. 

RESIST (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.

3) Remove the ADF/RADF top cover, and set the DIP switch on the

control PWB to the desired test mode. While pressing the push
switch ON, turn on the power of the machine. 

(With the above operation, the machine enters the test mode.)

4) Turn on the push switch on the control PWB.

(Test operation is started.)

(To switch to another test mode, set the DIP switch on the control
PWB to the desired test mode, and open/close the ADF/RADF paper
feed section cover (microswitch FGOS it turned OFF and ON).

·

DIP switch 3 meaning

ON

OFF

DIP switch 3

For AB series

For inch series

·

Kinds of test modes and setting of DIP switch

No.

Test mode name

DIP switch

a

Single paper pass mode

All OFF

b

Duplex paper pass mode (AR-RF1
only)

1 ON,
the others OFF

c

Single aging mode

1, 3 ON,
2, 4, 5 OFF

d

Duplex aging mode (AR-RF1 only)

4 ON,
the others OFF

e

Load check mode

1, 5 ON,
2, 3, 4, OFF

f

EEPROM initializing mode + all
sensors adjustment mode

3, 5 ON,
1, 2, 4, OFF

g

Resist sensor adjustment mode

4, 5 ON,
1, 2, 3, OFF

h

Timing sensor adjustment mode

1, 4, 5, ON,
2, 3, OFF

i

Paper exit sensor adjustment mode
(AR-RF1 only)

3, 4, 5, ON,
1, 2, OFF

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//)

DIP switch

Control PWB (Back)

Push switch

AR-505

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8/6/1999