AR-505 (serv.man8). AR505 Service Manual-Setting Adjustments - Sharp Copying Equipment Service Manual (repair manual). Page 20

(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.)

1) Fill water to the empty waste toner bottles to make dummy bottle

A and B.

Dummy bottle A:  480g (including the bottle weight)

Dummy bottle B:  560g (including the bottle weight)

2) Turn on the power switch of the copier.

3) Install dummy bottle A (480g) to the waste toner bottle detecting

unit and check that the weight detection is OFF.

4) Install dummy bottle B (500g) instead and check that the weight

detection is ON.

"Weight detection ON" means that the display of "REPLACE
TONER BOTTLE" on the panel display is ON. "Weight detection
OFF" means that it is OFF.

Initial value:

2 scales down from the center

Loosen the fixing screw of the positioning plate. Move the positioning
plate up and down to adjust so that the weight detection is made as
specified.

32 ± 0.5 mm

Table glass

Original detecting arm unit

Original cover switch actuator

Actuator adjustment screw

The weight detection level
for ON becomes greater.

Adjustment
plate

The weight detection level
for OFF becomes smaller.

AR-505

8/6/1999

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