Panasonic UF-490 (serv.man2) Service Manual ▷ View online
25
2.2.5.
Stopper Latch, Upper TX Chassis Assembly, Top Cover, Stopper Latch 2, Lower TX
Chassis Assembly, Stamp Cover, Solenoid Assembly, Scanning Roller Assembly,
Scanning Roller, CIS Assembly, Gear Cover, Gear Shaft, ADF Roller
Chassis Assembly, Stamp Cover, Solenoid Assembly, Scanning Roller Assembly,
Scanning Roller, CIS Assembly, Gear Cover, Gear Shaft, ADF Roller
(1) Open the Upper TX Chassis Assembly (201).
(2) Remove the Stopper Latch (210).
(3) Remove the Upper TX Chassis Assembly
(2) Remove the Stopper Latch (210).
(3) Remove the Upper TX Chassis Assembly
(201).
(4) 2 Silver Screws (B1).
(5) 2 Screws (19).
(6) Remove the Top Cover (117).
(5) 2 Screws (19).
(6) Remove the Top Cover (117).
<Specific Countries Only>
(7) Open the Lower TX Chassis Assembly (215).
(8) 1 Screw (19).
(9) Remove the Stamp Cover (226).
(8) 1 Screw (19).
(9) Remove the Stamp Cover (226).
(10) 1 Screw (19).
(11) Remove the Stamp Solenoid Assembly (227).
(12) Open the Lower TX Chassis Assembly (215).
(13) Remove the Stopper Latch 2 (237).
(14) Disconnect the CIS Harness (1003).
(15) Remove the Lower TX Chassis Assembly
(13) Remove the Stopper Latch 2 (237).
(14) Disconnect the CIS Harness (1003).
(15) Remove the Lower TX Chassis Assembly
(215).
(1)
(2)
(3)
(4)
(5)
(6)
(5)
(4)
(8)
(9)
(10)
(11)
(12)
(13)
(15)
(14)
26
(16) Release the Latch Hooks with the Screw driver.
Note:
For B4 Units (non-USA), release the Latch
Hooks from the back side.
Hooks from the back side.
(17) Remove the Scanning Roller Assembly (218) .
(18) Remove the Scanning Roller (218).
(19) Lift the White Guide (216).
(20) Release the Latch Hooks.
(21) Remove the CIS Holder (224) with the CIS
(20) Release the Latch Hooks.
(21) Remove the CIS Holder (224) with the CIS
Assembly.
(22) Remove the CIS Assembly (223).
Note:
When re-installing, make sure to install the CIS
Assembly into the CIS Holder first, before re-
attaching it to the Lower TX Chassis Assembly.
Assembly into the CIS Holder first, before re-
attaching it to the Lower TX Chassis Assembly.
(17)
Back View
(18)
(19)
(21)
(20)
(22)
27
(23) 2 Screws (19).
(24) 1 Screw (7B) and 1 Washer (G4).
(25) Remove the Gear Cover (236).
(24) 1 Screw (7B) and 1 Washer (G4).
(25) Remove the Gear Cover (236).
(26) Remove B51C16 F Gear (230), C18C43 F Gear
(231), C41 F Gear (232) and C34D19 F Gear
(233).
(233).
(27) Remove the Gear Shaft (229).
Note:
Lift by the center of the Shaft, and move it towards
the right side.
the right side.
(28) Remove the ADF Roller (221).
(23)
(24)
(25)
(26)
(27)
(28)
28
2.2.6.
Laser Unit (LSU)
(1) 4 Black Screws (G2).
(2) Disconnect the LSU Harness (1002).
(2) Disconnect the LSU Harness (1002).
Note:
Note the Harness routing to the PC Board for
re-installation purposes.
re-installation purposes.
(3) Remove the LSU (115).
<Cleaning Mirror>
(1) 2 Screws (19).
(2) Remove the LSU Cover.
(2) Remove the LSU Cover.
(3) Clean the Mirrors with a soft cloth, saturated
with isopropyl alcohol.
(1)
(1)
(2)
(3)
(1)
(2)
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