Read Sharp AR-C270 (serv.man11) Service Manual online
B. Setup procedure
1) Enter the SIM 26-53 mode.
2) Select Enable/Disable with the 10-key.
Disabling = 0: YES
Enabling = 1: NO
Enabling = 1: NO
3) Press the OK key.
When "0: YES" (Disabling) is selected, the user auto color calibration
(copy color balance, auto density adjustment) menu is not displayed
in the user program mode.
(copy color balance, auto density adjustment) menu is not displayed
in the user program mode.
ADJ M18
Document size sensor adjustment
This adjustment must be performed in the following cases:
•
When the original size sensor section is disassembled.
•
When the original size sensor section is replaced.
•
When a U2 trouble occurs.
•
When the PCU main PWB is replaced.
•
When the EEPROM of the PCU main PWB is replaced.
ADJ 1
Original size sensor detection point
adjustment
adjustment
1) Enter the SIM 41-1 mode.
Gradually tilt the original detection arm unit. Loosen the original
cover switch actuator adjustment screw so that the highlight dis-
play of OCSW is turned to the normal display when the height of
the arm unit top from the table glass is 32
cover switch actuator adjustment screw so that the highlight dis-
play of OCSW is turned to the normal display when the height of
the arm unit top from the table glass is 32
±
0.5mm.
Slide the actuator to adjust. (If the ON timing of the original cover
switch is shifted, the original detection function may malfunction.)
switch is shifted, the original detection function may malfunction.)
ADJ 2
Original size sensor sensitivity
adjustment
adjustment
1) Enter the SIM 41-2 mode.
3) Place A3 (11
×
17) document on the document table and press
the [EXECUTE] key.
ADJ M19
Waste toner full detection level
adjustment
adjustment
Install the adjustment plate so that the projection of the plate comes
to the center of the scribe line.
to the center of the scribe line.
ADJ M20
Touch panel coordinates setting
This adjustment must be performed in the following cases:
•
When the operation panel is replaced.
•
When a U2 trouble occurs.
•
When the PCU main PWB is replaced.
•
When the EEPROM of the PCU main PWB is replaced.
1) Enter the SIM 65-1 mode.
2) Touch the four cross marks on the display.
When the crosses are touched correctly, they turn gray. When all
the four crosses are touched, the touch panel adjustment is com-
pleted and the display shows the simulation sub code entering
screen.
the four crosses are touched, the touch panel adjustment is com-
pleted and the display shows the simulation sub code entering
screen.
If there is any abnormality, the first display is shown again.
∗
When touching the crosses, never use a needle or a pin with a
sharp point.
sharp point.
32 ± 0.5mm
Original detection arm unit
Table glass
Original cover switch actuator
Actuator adjustment screw
Weight detection of ON
becomes heavier.
becomes heavier.
Adjustment plate
Weight detection of ON
becomes lighter
becomes lighter
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