Service manual

Chapter 9
9-9
If automatic adjustment fails, "NG" appears. Perform the following
procedure:
Clean the platen guide of the DADF and the document glass of the host ma-
chine, and then retry auto adjustment.
9.4.4 DC Controller PCB
9.4.4.1 Removing the DC Controller PCB
0011-5464
LaserBase MF6530 / / LaserBase MF6540PL / LaserBase MF6550 / Kaser-
Base MF6560PL / / LaserBase MF6580PL
1) Detach the right cover, inner cove, delivery tray front cover, and delivery
tray.
2) Remove the speaker and power supply PCB.
3) Remove the screw [1], and the remove the flexible cable stay [2].
F-9-19
4) Disconnect all connectors from the DC controller PCB.
5) Remove the five screws [1], and then remove the DC controller PCB [2].
F-9-20
9.4.5 Powwer Supply PCB
9.4.5.1 Removing the Power Supply PCB
0011-5465
LaserBase MF6530 / / LaserBase MF6540PL / LaserBase MF6550 / Kaser-
Base MF6560PL / / LaserBase MF6580PL
1) Detach the right cover, inner cover, and delivery tray front cover, and then
remove the operation panel and delivery tray.
2) Remove the speaker.
3) Disconnect all connectors on the power supply PCB.
4) Remove the five screws [1], and then remove the power supply PCB [2].
F-9-21
9.4.6 Relay PCB
9.4.6.1 Removing the Relay PCB
0011-5466
LaserBase MF6530 / / LaserBase MF6540PL / LaserBase MF6550 / Kaser-
Base MF6560PL / / LaserBase MF6580PL
1) Detach the rear cover.
2) Disconnect all connectors from the relay PCB.
3) Remove the two screws [1] and relay PCB [2].
F-9-22
9.4.7 NCU PCB
9.4.7.1 Removing the NCU PCB
0011-5467
LaserBase MF6530 / / LaserBase MF6540PL / LaserBase MF6550 / Kaser-
Base MF6560PL / / LaserBase MF6580PL
1) Detach the rear cover.
2) Remove all connectors and flexible cables from the NCU PCB.
3) Remove the two screws [1], and then remove the NCU PCB [2].
F-9-23
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[2]
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[2]
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[2]
[1]
[1]
[1]
[1]
[2]
[1]
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