Read Sharp AR-335 (serv.man11) Service Manual online
(3) Waste toner full detection level adjustment
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.
TONER BOTTLE" on the panel display is ON. "Weight detection
OFF" means that it is OFF.
Initial value:
2 scales down from the center
[When ON/OFF display is improper]
Loosen the fixing screw of the positioning plate. Move he positioning
plate up and down to adjust so that the weight detection is made as
specified.
plate up and down to adjust so that the weight detection is made as
specified.
(4) Touch panel adjustment
1) Execute SIM 65-1.
2) When the "+" section is pressed, it turns to gray. When all the four
points are pressed, the touch panel adjustment is completed and
the machine goes into the simulation sub number entry state.
the machine goes into the simulation sub number entry state.
In case of abnormality, the mode returns to the input mode.
Do not use a sharp pin or needle to press the "+" points.
(5) Key touch sound volume adjustment
This adjustment must be performed in the following cases:
•
When the key touch sound volume is too small.
•
When the key touch sound volume is too great.
•
When the operation control PWB is replaced.
1) Remove the operation control PWB.
2) Turn the VR1 slider counterclockwise to set at about 135 degrees.
3) Use an actual machine and check the key input operations.
After this adjustment:
When the key touch sound volume is too small, turn VR1 clock-
wise.
wise.
When the key touch sound volume is too great, turn VR1 counter-
clockwise.
clockwise.
The weight detection level
for ON becomes greater.
for ON becomes greater.
Adjustment
plate
plate
The weight detection level
for OFF becomes smaller.
for OFF becomes smaller.
Slider rotating direction
After adjustment
Adjust so that the cross of of the slider comes
on this terminal side.
on this terminal side.
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