Replacing The Fusing Roller /Lw Assembly - Konica Minolta bizhub PRO 920 Service Manual

Field Service Ver2.0 Aug.2005
3.17.6

Replacing the fusing roller /Lw assembly

A. Periodically replaced parts/cycle
• Fusing roller /Lw assembly: Every 1,500,000 prints
B. Procedure
[1] [5]
[5] [2] [6]
[4] [3]
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1.
Pull out the ADU from the main body. (See "3.16.1
Cleaning the registration sensor (PS44).")
2.
Remove the fusing unit. (See "3.17.1 Removing/
reinstalling the fusing unit.")
3.
Remove the fusing unit /Up. (See "3.17.2 Open-
ing/closing the fusing unit /Up.")
4.
Remove the fusing heater lamps /1 and /2. (See
"3.17.4 Replacing the fusing heater lamp /1 (L2)
and /2 (L3).")
5.
Remove the fusing roller /Up. (See "3.17.5
Replacing the fusing roller /Up, the bearing /Up,
the heat insulating sleeve /Up and the fusing
gear.")
6.
Remove the springs [1] (longer one) and [2]
(shorter one).
Note
• The springs [1] and [2] are different in length
and size. When installing them, be sure take
note of places to which they are installed.
7.
Remove the screw [3] and then remove the
ground terminal [4].
8.
Remove the screws [5], 1 each, and then remove
the thick paper conveyance support plate [6].
Note
• When installing the thick paper conveyance
assist plate [6], after installing the springs [1]
and [2] and the ground terminal [4], be sure to
push the thick paper conveyance assist plate
in the paper exit direction and check to see if
it moves smoothly.
3. PERIODIC CHECK
157