Sharp MX-M350N / MX-M350U / MX-M450N / MX-M450U (serv.man5) Service Manual ▷ View online
MX-M350/M450 N/U 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)
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MX-M350/M450 N/U 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 ADJUSTMENTS.)
be performed. (Refer to the descriptions of ADJUSTMENTS.)
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: Never touch the screws marked (a). These screws are for
factory use only. The CIS is adjusted in the factory with
special tools.
special tools.
a
a
a
1)
2)
1)
2)
1)
2)
3)
4)
5)
6)
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2)
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3)
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5)
7)
MX-M350/M450 N/U 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)
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1)
1)
1)
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2)
2)
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MX-M350/M450 N/U MAINTENANCE AND DETAILS OF EACH SECTION 7 - 62
a-19. SPF original paper feed solenoid
a-20. SPF original paper feed clutch
1) Remove the SPF paper feed unit.
2) Remove the SPF paper guide.
3) Remove the SPF pickup unit.
4) Remove the original paper feed solenoid and the SPF original
paper feed clutch.
a-21. Separation mylar lower
a-22. Separation pad
1) Remove the upper transport unit.
2) Loosen the screw, and remove the separation pad unit.
3) Remove the screw, and remove the separation plate and the
front separation plate.
4) Remove the separation Mylar lower, and the separation pad.
8. Operation panel section
A. General
This section describes various types of settings, display and oper-
ation.
ation.
The LCD display section is controlled by the MFP CONTROL
PWB.
PWB.
The touch panel, operation keys and LED display are controlled by
the SCANNER CONTROL PWB.
the SCANNER CONTROL PWB.
1)
1)
2)
1)
1)
1)
2)
1)
2)
3)
4)
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