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150 MFP disassembly/assembly ENWW
Laser scanner unit
Removing and reinstalling the
laser/scanner assembly
WARNING! Do not energize the
laser/scanner assembly
when it is not in the correct
position.
Never remove the
laser/scanner assembly
cover and the polygon unit
cover.
Never look directly into the
laser beam. It can cause
blindness.
Never remove the
laser/scanner assembly for
at least two minutes after
turning off the primary
power switch.
CAUTION Be sure the power cord has
been unplugged from the
wall outlet.
Procedure
1 Remove the left side cover. See “External
section” on page 132.
2 Remove nine screws to detach the fan
holder assembly.
3 Remove the inline connector (CN338).
CAUTION Each inline connector
consists of two male sides
and one female side. Be
sure to remove only the
male side (shown below) of
the CN338 connector.
4 Remove the three connectors (CN185,
187, 188). Move the connectors out of the
way to allow for easy removal of the laser
scanner unit.
Fan holder assembly
Relay connector (CN338)
Screws
Screws
Screws