Sharp AR-651 (serv.man19) Service Manual ▷ View online
AR-651/810 RADF (DOCUMENT FEEDER) 16 - 41
16. 9. Flow Chart
(1) Power ON
→
Start of communication line
YES
NO
A
Power ON
Jig board installed?
Program rewritten
Data read from EEPROM
B
Communication started
Sensor adjusted
Cover closed?
NO
YES
AR-651/810 RADF (DOCUMENT FEEDER) 16 - 42
(2) Rewriting of flash ROM
YES
NO
A
Flash ROM
rewriting completed
Normal ROM
installed on jig board?
Flash ROM deleted
NO
YES
Flash ROM rewritten
YES
Success of rewriting
displayed on LED
Failure of rewriting
displayed on LED
Flash ROM
rewriting succeeded?
NO
Flash ROM
succeeded to delete?
Failure of deleting flash ROM
displayed on LED
ROM abnormality
displayed on LED
AR-651/810 RADF (DOCUMENT FEEDER) 16 - 43
(3) Start of communication line
→
Operation monitoring
YES
NO
B
NO
YES
Initialization
YES
NO
1
NO
NO
3
Cover closed?
Original setting
signal received?
NO
Initialization
detected jam?
detected jam?
YES
All sensors OFF?
4
Finished due to jam?
Operation started
1
YES
Operation completed?
3
YES
Cover open?
3
4
Cover opened?
YES
NO
YES
NO
Cover opened?
NO
AR-651/810 RADF (DOCUMENT FEEDER) 16 - 44
(4) Initialization
Initialization completed
Read motor forward rotation
Small original exit motor
forward rotation
YES
NO
Initialization started
Feed motor reverse rotation
Large original exit motor
reverse rotation
For paper no removal detection,
specified time passed?
Paper no removal detection
Original found on
the transporting path?
Jam
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