Counter Clear - Sharp Z-21 Service Manual

2-2. Counter clear

1. Turn the power switch on while pressing the EXPOSURE key at
the same time.
All indicators except the READY indicator will light up. At this
time release the EXPOSURE key.
2. Press and hold the EXPOSURE key for approximately 10
seconds until the three exposure indicators light up simul-
taneously.
At this time release the EXPOSURE key.
Flow of drum counter clear
•
The exposure indicators will light up for approximately 5
seconds. Then, the READY indicator will light up and all the
exposure indicators except (A) will go out. The copier is now
ready for operation.
•
If the three exposure indicators do not light up while pressing
and holding the EXPOSURE key for more than 10 seconds,
turn the power switch off and then perform steps 1 and 2
again.
Whith pressing the EXPOSURE
key, turn on the power switch
Are the indicators
No
other than READY
indicator ON?
Yes
Release the EXPOSURE key
Press and hold the
EXPOSURE key for 10 sec
All indicators except
No
for the EXPOSURE
indicator are off
Yes
Release the EXPOSURE key
The EXPOSURE indicator
lights up for 5 sec OFF
The READY indicator and the
AUTO indicator light up and
counter clear is completed
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