Service manual

Chapter 3
3-5
T-3-2
3.4 Parts Replacement Procedure
3.4.1 Copyboard Glass
3.4.1.1 Removing the Copyboard Glass
0011-5275
LaserBase MF6530 / / LaserBase MF6540PL / LaserBase MF6550 / Kaser-
Base MF6560PL / / LaserBase MF6580PL
1) Remove the two screws [1], and then remove the glass holder [2].
2) Slide the copyboard glass [3] to remove it.
F-3-10
Take care not to touch the contact sensor[4] when removing the copyboard
glass [3].
3.4.2 Analog Processor PCB
3.4.2.1 Removing the Analog Processor PCB
0011-5278
LaserBase MF6530 / / LaserBase MF6540PL / LaserBase MF6550 / Kaser-
Base MF6560PL / / LaserBase MF6580PL
MEMO:
This machine stores adjustment values in the image processor PCB, not the
analog processor PCB.
Accordingly, you need not input adjustment values after replacing the analog
processor PCB.
1) Remove the ADF.
2) Remove the copyboard glass, reader rear cover (small), and leader rear
cover.
3) Disconnect all connectors and flexible cables from the analog processor
PCB.
4) Remove the two screws [1], and then remove the analog processor PCB
[2].
F-3-11
3.4.3 Reader Motor
3.4.3.1 Removing the Reader Motor
0011-5279
LaserBase MF6530 / / LaserBase MF6540PL / LaserBase MF6550 / Kaser-
Base MF6560PL / / LaserBase MF6580PL
1) Remove the ADF.
2) Remove the reader rear cover (small), reader cover, and rear cover.
3) Remove the reader motor [4] by removing one spring [1], three screws [2],
and one connector [3].
F-3-12
When reinstalling the reader motor, attach the spring [1] with the three
screws [2] fastened temporarily, tighten the circled screw [2] tightly, and fi-
nally tighten the remaining two screws [2] tightly.
3.4.4 Contact Sensor
3.4.4.1 Removing the Contact Sensor
0011-5281
LaserBase MF6530 / / LaserBase MF6540PL / LaserBase MF6550 / Kaser-
Base MF6560PL / / LaserBase MF6580PL
1) Remove the ADF.
2) Remove the copyboard glass and reader rear cover.
3) Remove the four screws [1], and then remove the ADF base (left) [2].
Point Description
A Read reference position
B out 0.5 mm from the reference position to the inside of the
roller
C About 1.0 mm from the reference position to the inside of
the roller
[1][3]
[2]
[4]
[1]
[2]
[1]
[3][4]
[2]
[2]
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