AR-335 (serv.man11). AR280 285 335 Service Manual-Settings and Adjustments - Sharp Copying Equipment Service Manual (repair manual). Page 19

1) Execute SIM 41-2.

(Fig. 1)

2) Execute the sensor adjustment without original.

With the original cover open, without original on the table glass,
press the [EXECUTE] key to perform the sensor adjustment with-
out original. After adjustment, NORMAL or ABNORMAL is dis-
played.

(Fig. 2)

(Fig. 3)

(In the case of NORMAL)

The screen of Fig. 2 is displayed for 1 sec, then the screen of Fig.
3 is displayed, and the sensor adjustment without original is com-
pleted.

(Fig. 4)

(In the case of ABNORMAL)

The screen of Fig. 4 is displayed, and the sensor of abnormality is
highlighted. In this case, confirm the original empty state and
press the [EXECUTE] key to perform the sensor adjustment
again. 3) Perform the sensor adjustment without original.

3) Execute the sensor adjustment with original.

With the original cover open, place five sheets of A3 originals on
the glass by fitting them to the original guide, press the [EXE-
CUTE] key to perform the sensor adjustment with originals. After
adjustment, NORMAL or ABNORMAL is displayed.

(In the case of NORMAL)

The screen of Fig. 2 is displayed for 1 sec, then the screen of Fig.
3 is displayed to terminate the adjustment of the original sensor.

In this case, the display item of "2. A3 ORIGINAL" is shown
instead of "1. NO ORIGINAL" at the left top.

(In the case of ABNORMAL)

The screen of Fig. 4 is displayed for 1 sec, and the sensor of
abnormality is highlighted. In this case, check that there is no A3
original on the original glass, and press the [EXECUTE] key to
perform the sensor adjustment operation again.

In this case, the display item of "2. A3 ORIGINAL" is shown
instead of "1. NO ORIGINAL" at the left top.

1) Execute SIM 41-1.

•

Slowly tilt the original detecting arm unit, and loosen the origi-
nal cover switch actuator adjustment screw, and slide and ad-
just the actuator so that the highlighted display of OCSW is
changed to the normal display when the height of the arm unit
top from the table glass is  32 

±

 0.5 mm.

(When the original cover switch ON timing is shifted, the origi-
nal detection function may not work properly.)

32 ± 0.5 mm

Table glass

Original detecting arm unit

Original cover switch actuator

Actuator adjustment screw

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