Sharp AR-280 Service Manual page 75

(Other models)
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 sensor *1
REVERSE (RDD):
*1: Only when the AR-RF1 is installed.
(3) Test mode with DIP switch
The RADF (ADF) single unit operation can be checked with the DIP
switch on the control PWB shown below.
(Control PWB view)
Push switch
CPU
(DIP switch view)
ON
OFF
SW No.1 2
(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.
Control PWB
DIP switch
G/A
EEP ROM
3 4 5
CN9
Remove
Short connector (0CW4074K526//)
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.)
DIP switch
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
DIP switch 3
·
Kinds of test modes and setting of DIP switch
No. Test mode name
a Single paper pass mode
Duplex paper pass mode (AR-RF1
b
only)
Single aging mode
c
Duplex aging mode (AR-RF1 only)
d
Load check mode
e
EEPROM initializing mode + all
f
sensors adjustment mode
Resist sensor adjustment mode
g
Timing sensor adjustment mode
h
Paper exit sensor adjustment mode
i
(AR-RF1 only)
6 – 25
Control PWB (Back)
Push switch
ON OFF
For AB series For inch series
DIP switch
All OFF
1 ON,
the others OFF
1, 3 ON,
2, 4, 5 OFF
4 ON,
the others OFF
1, 5 ON,
2, 3, 4, OFF
3, 5 ON,
1, 2, 4, OFF
4, 5 ON,
1, 2, 3, OFF
1, 4, 5, ON,
2, 3, OFF
3, 4, 5, ON,
1, 2, OFF
7/13/2000