Panasonic UF-590 / UF-790 Service Manual ▷ View online
33
2.2.12.
Printer Cover (106), Rear Cover (105), Printer Motor (626)
(1) Remove the Left Cover and the Right Cover
(Refer to 2.2.2.).
(2) Release the hooks and remove the Printer
Cover (106).
(3) 2 Silver Screws (B1).
(4) Remove the Rear Cover (105).
(4) Remove the Rear Cover (105).
(5) 1 Screw (19).
(6) Remove the Ground Wire (542).
(7) Disconnect the Connector from the Printer
(6) Remove the Ground Wire (542).
(7) Disconnect the Connector from the Printer
Motor.
(8) 5 Screws (19).
(9) Remove the Printer Motor Bracket (616)
(9) Remove the Printer Motor Bracket (616)
Assembly.
Caution:
The Gears underneath may dislodge when the
Motor Bracket is removed.
Motor Bracket is removed.
(10) 2 Screws (4N).
(11) Remove the Printer Motor (626).
(2)
(3)
(4)
(5)
(6)
(7)
(8)x5
(9)
(10)
(11)
34
2.2.13.
MJR PC Board (1003), Power Supply Unit (1002)
Caution:
Make sure the Power Cord (1108) is unplugged.
Note:
If removing only the Power Supply Unit, skip step
(3), (4) and (5).
(3), (4) and (5).
(1) Remove the Rear Cover (105) (Refer to 2.2.12.).
(2) Disconnect the Connectors (CN28 and 29) on
(2) Disconnect the Connectors (CN28 and 29) on
the MJR PC Board.
(3) 2 Screws (19).
(4) Release the Latch Hook of Locking Card
(4) Release the Latch Hook of Locking Card
Spacer (405).
(5) Remove the MJR PC Board (1003).
(6) 5 Screws (19).
(7) Remove the L Power Plate (401).
(7) Remove the L Power Plate (401).
(8) Disconnect the Connectors (CN101, 102, 103,
201 and 202) on the Power Supply Unit (1002).
(9) 4 Screws (19).
(10) 1 Screw (19) and 1 Washer (G8).
(11) Remove the Power Supply Unit (1002).
(2)
(3)
(4)
(5)
(6)x5
(7)
(9)x4
(10)
(11)
(8)
(8)
35
2.2.14.
Fuser Unit, Thermistor Assembly (728)
(1) Remove the Rear Cover (Refer to 2.2.12.).
(2) 1 Screw (19).
(3) Remove the Fuser Top Cover (733).
(4) Disconnect the Connectors CN85 and CN87 on
(2) 1 Screw (19).
(3) Remove the Fuser Top Cover (733).
(4) Disconnect the Connectors CN85 and CN87 on
the SNS4 PC Board (1007).
(5) Disconnect the Connector CN102 on the Power
Supply Unit (423).
(6) 1 Screw (4N).
(7) Remove the FG1 Harness (629).
(7) Remove the FG1 Harness (629).
(8) 4 Screws (19).
(9) Remove the Fuser Unit.
(9) Remove the Fuser Unit.
(10) 1 Screw (1Q).
(11) Remove the Thermistor Assembly (728).
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
36
2.2.15.
Fuser Lamp (732), Exit Roller (719), Fuser Roller (709),
Pressure Roller (706)
Pressure Roller (706)
(1) Remove the Rear Cover (Refer to 2.13) and the
Fuser Unit (Refer to 2.2.14.).
(2) 1 Screw (4N).
(3) Remove the PSU-Fuser Harness (1028) and
(3) Remove the PSU-Fuser Harness (1028) and
Fuser Lamp Terminal B (731).
(4) Remove the Fuser Lamp (732).
Caution:
When reinstalling the Fuser Lamp, make sure that
the Fuser Lamp is inserted into the Fuser Unit as
illustrated. Do not touch the glass portion of the
Fuser Lamp with bare hands. Grease from
fingerprints will shorten its life cycle, use isopropyl
alcohol to clean fingerprints.
the Fuser Lamp is inserted into the Fuser Unit as
illustrated. Do not touch the glass portion of the
Fuser Lamp with bare hands. Grease from
fingerprints will shorten its life cycle, use isopropyl
alcohol to clean fingerprints.
Caution:
When reinstalling the Fuser Lamp, make sure that
both ends of the Fuser Lamp fits into the projected
area of the Fuser Lamp Terminal A (724) and the
Fuser Lamp Terminal B (731).
both ends of the Fuser Lamp fits into the projected
area of the Fuser Lamp Terminal A (724) and the
Fuser Lamp Terminal B (731).
(5) Remove the E22 Gear (722).
Caution:
You may need to use force to pull out the
Gear.
Gear.
(6) Remove the Right and Left P3.5L11.2
Bushings (720 and 721).
(7) Remove the Exit Roller (719).
(8) 2 Screws (4N).
(9) Remove the Fuser Cover (723).
(9) Remove the Fuser Cover (723).
(2)
(3)
(4)
White
Black
(6)
(7)
(5)
(8)
(9)
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