DOWNLOAD Sharp AR-M550 (serv.man13) Service Manual ↓ Size: 7.63 MB | Pages: 26 in PDF or view online for FREE

Model
AR-M550 (serv.man13)
Pages
26
Size
7.63 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / (6c) Drive section, Filters, PWB section, Power section, Fan motors, Sensors and Switches
File
ar-m550-sm13.pdf
Date

Sharp AR-M550 (serv.man13) Service Manual ▷ View online

AR-M550/M620  DETAILS OF EACH SECTION  6 - 134
a-1. Waste toner pipe lock detector
1) Remove the developing unit and the process unit.
2) Remove the OPC drum motor and the developing motor. (See “b-
1. OPC drum motor” and “b-2. Developing motor” in this section)
3) Remove the drum drive unit. (See “a. Drum drive unit” in this sec-
tion)
4) Disconnect the connector, and remove the waste toner pipe lock
detector.
a-2. Process humidity sensor
1) Remove the developing unit. (See “a. Developing unit” in the
“[Developer tank section]”)
2) Remove the process unit. (See “a. Process unit” in the “[OPC drum
section]”)
3) Remove the OPC drum motor and the developing motor. (See “b-
1. OPC drum motor” in this section)
4) Remove the drum drive unit. (See “a. Drum drive unit” in this sec-
tion)
5) Remove the drum earth plate. Remove the set screw and the fly-
wheel joint. Remove the E-ring.
6) Disconnect the connector, and remove the drum drive frame.
7) Remove the parts.
8) Disconnect the connector, and remove the sensor plate.
9) Remove the process humidity sensor.
b-1. OPC drum motor
b-2. Developing motor
1) Remove the rear cabinet. 
AR-M550/M620  DETAILS OF EACH SECTION  6 - 135
2) Remove the flywheel.
3) Disconnect the connector, and remove the OPC drum motor (A)
and the developing motor (B).
[Paper feed/paper transport drive section]
(Replacement parts)
a. Main drive unit
1) Remove the resist roller unit. (See “2. Paper feed, paper transport,
duplex, and paper exit reverse sections” “(Vertical paper transport
section 2)”, “a. Resist roller unit”
)
2) Remove the flywheel. (See “b-1. OPC drum motor” in this section
(a. Drum drive unit))
3) Remove the main motor. (See “a-1. Main motor” in this section)
4) Disconnect the connector, and remove the eternal outfit mounting
plate.
5) Remove the plastic E-ring, the belt holding sheet, the belt, and the
pulley. Remove the joint plate.
When installing, be careful of the direction of the belt holding sheet.
6) Disconnect the connector, and remove the main drive unit.
Remove the screw which was indicated with the arrow mark.
No.
Unit
Parts
a
Main drive unit
1
Resist roller front drive motor
2
Resist roller clutch
b
Other
1
Main motor
A
B
b-1
a-1
a
a-2
AR-M550/M620  DETAILS OF EACH SECTION  6 - 136
a-1. Resist roller front drive motor
1) Remove the resist roller unit. (See “2. Paper feed, paper transport,
duplex, and paper exit reverse sections” “(Vertical paper transport
section 2)”, “a. Resist roller unit”)
2) Remove the flywheel. (See “b-1. OPC drum motor” in this section)
3) Remove the main motor. (See “a-1. Main motor” in this section)
4) Remove the main drive unit. (See “a-1. Main motor” in this section)
5)Remove the resist roller front drive motor.
a-2. Resist roller clutch
1) Remove the resist roller unit. (See “2. Paper feed, paper transport,
duplex, and paper exit reverse sections” “(Vertical paper transport
section 2)”, “a. Resist roller unit”)
2) Remove the flywheel. ((See “b-1. OPC drum motor” in this section
(a. Drum drive unit))
3) Remove the main motor. (See “a-1. Main motor” in this section)
4) Remove the main drive unit. (See “a-1. Main motor” in this section)
5) Disconnect the connector, and remove the main drive frame.
6) Disconnect the connector, and remove the resist roller clutch unit.
When installing, be sure to ensure that the projection of the plate is
engaged in the clutch rotation stopper.
7) Remove the bearing, the E-ring, and the set screw, and remove
the resist roller clutch.
a-1. Main motor
1) Remove the rear cabinet. 
2) Disconnect the connector, and remove the main motor.
AR-M550/M620  DETAILS OF EACH SECTION  6 - 137
[Manual paper feed drive section]
(Replacement parts)
a. Manual paper feed drive unit
1) Remove the rear cabinet. 
2) Disconnect the connector, the harness clamp, and the earth wire.
Remove the high voltage PWB unit.
3) Remove the plastic E-ring, the belt holding sheet, the belt, and the
pulley.
When installing, be careful of the direction of the belt holding sheet.
4) Remove the harness clamp, and remove the manual paper feed
drive unit.
Remove the screw which was indicated with the arrow mark.
[1/2 paper feed drive section]
(Replacement parts)
No.
Unit
Parts
a
Manual paper feed drive unit
a
No.
Unit
Parts
a
1/2 paper feed drive unit
1
Vertical paper transport motor
2
Paper feed tray 3/4 paper 
transport clutch 2
3
Paper feed clutch (Paper feed 
tray 1)
4
Horizontal paper transport 
clutch
5
Paper feed clutch (Paper feed 
tray 2)
6
Paper pickup solenoid (Paper 
feed tray 1)
b
Other
1
Remove the paper tray lift-up 
motor (paper feed tray 1)
2
Paper tray lift-up motor (Paper 
feed tray 2)
3
Paper pickup solenoid (Paper 
feed tray 2)
b-1
a-2
a-3
a-1
a-5
a-4
b-2
b-3
a
a-6
Page of 26
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Sharp AR-M550 (serv.man13) Service Manual ▷ Download

  • DOWNLOAD Sharp AR-M550 (serv.man13) Service Manual ↓ Size: 7.63 MB | Pages: 26 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sharp AR-M550 (serv.man13) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp AR-M550 (serv.man13) Copying Equipment. Information contained in Sharp AR-M550 (serv.man13) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.