Fresa G024, Руководство по обслуживанию

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31 March, 1999 LASER OPTICS SECTION
6-19
Replacement
Adjustment
6.3.2 OPTICAL HOUSING UNIT/POLYGON MIRROR MOTOR
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WARNING
Turn off the main switch and unplug the machine before attempting any of
the procedures in this section. Laser beams can seriously damage your
eyes.
1. Remove the PCU and the Y, C, M, and K DTM units (see DTM Unit Removal),
left cover (see Left Cover Removal), rear top cover (see Top Cover Removal),
bottom front cover (see Bottom Front Cover Removal), and tray cover (see
Controller Board Removal).
2. Remove the fusing unit. (See Fusing Unit Removal.)
3. Remove the PCU reset sensor from the bracket. (See PCU Reset Sensor
Removal.)
4. Remove the LD unit. (See LD Unit Removal.)
5. Open the front cover. Insert a long screwdriver through the opening [A] in the
bottom front cover towards the PCU holder notch.
6. Remove the two screws [B] holding the front side of the stay.
7. Remove the two screws [C] retaining the charge bias electrode.
8. Remove the two screws [D] retaining the top side of the stay. Tilt the stay
forward.
G024R269.WMF
G024R270.WMF
[A]
[A]
[B]
[C]
[D]
[D]
[B]