Manual Paper Feed Tray Paper Size (Width) Sensor Adjustment; Document Size Sensor Sensitivity Adjustment - Sharp MX-3500N Service Manual

Slowly tilt the document detection arm unit in the arrow direc-
tion. Loosen the original cover switch actuator adjustment
screw so that the display OCSW is returned to the normal dis-
play when the height of the arm unit top from the table glass is
32 ± 0.5mm. Slide the actuator position and adjust. (If the ON
timing of the original cover switch is shifted, the document
detection function may malfunction.)
+ -
32 0.5mm
23-B Document size sensor sensitivity
adjustment
1) Enter the SIM41-2 mode.
SIMULATION NO.41-02
TEST
DOCUMENT SIZE PHOTO-SENSOR SETUP
WITH THE ORIGINAL COVEROPENED,TURN ON THE EXECUTE
KEY WITH THE ORIGINAL ON THE ORIGINAL TABLE.
SIMULATION NO.41-02
TEST
DOCUMENT SIZE PHOTO-SENSOR SETUP
SET AN A3-SIZE(11" 17")COPY PAPER ON THE ORIGINAL TABLE,
AND WITH THE OC OPEND,TURN ON THE EXECUTE KEY.
Adjustment completed
Adjustment
failed
SIMULATION NO.41-02
TEST
DOCUMENT SIZE PHOTO-SENSOR SETUP
DOCUMENT SIZE PHOTO- SENSOR LEVEL IS ADJUSTED.
SIMULATION NO.41-02
TEST
DOCUMENT SIZE PHOTO-SENSOR SETUP
PHOTO-SENSOR ERROR POSITION
,---,---,---,---,---,---,---
PD1
0
CLOSE
EXECUTE
EXECUTE
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EXECUTE
EXECUTE
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EXECUTE
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CLOSE
EXECUTE
MX3500N ADJUSTMENTS 6 – 60
2) Execute the sensor adjustment without document.
With the document cover open, without placing a document on
the table glass, press [EXECUTE] key.
3) Place A3 (11" x 17") paper on the document table and press
[EXECUTE] key.
If the adjustment is completed normally, "DOCUMENT PHOTO
SENSOR LEVEL IS ADJUESTED" is displayed.
ADJ 24
Manual paper feed tray paper
size (width) sensor adjustment
This adjustment is required in the following cases:
* When the manual paper feed tray section is disassembled.
* When the manual paper feed tray unit is replaced.
* When a U2 trouble occurs.
* When the PCU PWB is replaced.
* When the EEPROM on the PCU PWB is replaced.
1) Enter the SIM 40-2 mode.
SIMULATION NO.40-02
TEST
BYPASS TRAY ADJUSTMENT
MAXPOSITION ADJUSTMENT.
PRESS [EXECUTE] TO START
EXECUTE
SIMULATION NO.40-02
TEST
BYPASS TRAY ADJUSTMENT
MAXPOSITION ADJUSTMENTE.
EXECUTING...
SIMULATION NO.40-02
TEST
BYPASS TRAY ADJUSTMENT
P1(A4)POSITION ADJUSTMENT.
PRESS [EXECUTE] TO START
EXECUTE
Repeat the above procedure to adjust
the A4R width MIN POSITION.
SIMULATION NO.40-02
TEST
BYPASS TRAY ADJUSTMENT
. COMPLETE
0
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EXECUTE
0
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EXECUTE
0
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EXECUTE
0
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EXECUTE