Sharp AR-M351U / AR-M451U (serv.man14) Service Manual ▷ View online
AR-M351U/M451U, AR-M355U/M455U MAINTENANCE AND DETAILS OF EACH SECTION 7 - 58
a. SPF unit
1) Remove the rear cabinet of the scanner section.
2) Disconnect the connector.
3) Disconnect the grounding wire.
4) Slide the SPF unit to the bottom, then remove it.
a-1. SPF document stopper solenoid
1) Remove the upper transport unit cover.
2) Remove the stopper solenoid.
a-2. SPF document resist front sensor
a-3. SPF paper feed cover sensor
a-4. SPF document set sensor
1) Remove the upper transport unit cover.
2) Remove the sensors.
a-5. SPF control PWB
1) Remove the SPF PWB, and remove the SPF control PWB.
1)
1)
2)
3)
3)
4)
5)
5)
5)
6)
7)
AR-EF3
2)
3)
4)
2)
1)
1)
2)
1)
1)
1)
2)
1)
2)
3)
4)
3)
4)
3)
4)
1)
2)
3)
3)
3)
4)
5)
4)
4)
AR-M351U/M451U, AR-M355U/M455U MAINTENANCE AND DETAILS OF EACH SECTION 7 - 59
a-6. SPF original length sensor 1
a-7. SPF original length sensor 2
1) Remove the OC cover.
2) Remove the original length sensor cover, and remove the sen-
sor.
a-8. SPF original width detection volume PWB
1) Remove the OC cover.
2) Remove the original length sensor cover.
3) Remove the volume cover and remove the volume.
(SPF original width detection volume installation)
<1> Extend the original guide to the maximum position.
<2> Adjust so that the mark on the width detection pinion gear is
fitted with the mark on the volume mounting plate.
<3> Fix the mounting plate with the screw.
∗
When the rotational volume sensor is replaced, the sensor value
must be adjusted to the paper size (mark on the tray).
(Refer to the SIM 53-6 or 53-7.)
must be adjusted to the paper size (mark on the tray).
(Refer to the SIM 53-6 or 53-7.)
a-9. Pick-up roller
a-10. Paper feed roller
1) Remove the upper transport unit cover.
2) Remove the paper feed roller cover.
3) Remove the hook of each roller, and remove each roller.
1)
1)
2)
3)
4)
3)
1)
1)
2)
3)
3)
4)
4)
1)
1)
2)
3)
4)
1)
2)
3)
4)
AR-M351U/M451U, AR-M355U/M455U MAINTENANCE AND DETAILS OF EACH SECTION 7 - 60
a-11. CIS unit
a-12. CIS control PWB
1) Remove the upper transport unit cover.
2) Remove the CIS unit.
∗
When the CIS unit is replaced, the CIS shading adjustment
must be performed. (Refer to the descriptions of ADJUST-
MENTS.)
must be performed. (Refer to the descriptions of ADJUST-
MENTS.)
3) Remove the harness, the cover, the earth wire, and remove
the CIS control PWB.
For easy installation of the cover, slide the earth line to the con-
nector side when attaching.
nector side when attaching.
a-13. SPF open sensor
1) Remove the open sensor.
a-14. SPF original exit sensor
1) Remove the paper exit sensor.
a-15. Paper exit roller
1) Remove the original paper feed unit.
2) Remove the paper exit roller gear.
3) Remove the paper exit frame, and remove the paper exit
roller.
Note: The CIS unit is factory-adjusted before shipping.
Since these adjustments cannot be performed in the
market, never touch the following screws of the CIS unit.
market, never touch the following screws of the CIS unit.
a
a
a
1)
2)
1)
2)
1)
2)
3)
4)
5)
6)
1)
2)
3)
3)
3)
4)
5)
7)
AR-M351U/M451U, AR-M355U/M455U MAINTENANCE AND DETAILS OF EACH SECTION 7 - 61
a-16. SPF motor
1) Remove the OC cover.
2) Remove the SPF lower cover.
3) Remove the original paper feed unit.
4) Remove the SPF drive unit.
5) Remove the SPF motor.
a-17. Resist roller
a-18. Resist roller clutch
1) Remove the SPF resist roller unit.
2) Remove the SPF resist roller and the SPF resist roller clutch.
1)
2)
1)
1)
1)
1)
1)
2)
2)
2)
2)
2)
2)
2)
2)
3)
2)
1)
1)
2)
2)
3)
4)
1)
1)
1)
2)
3)
3)
Click on the first or last page to see other AR-M351U / AR-M451U (serv.man14) service manuals if exist.