Replacing The Fusing Roller, The Fusing Pressure Roller, The Heat Insulating Sleeve /A, The Fusing Bearings /Up And /Lw And The Fusing Input Gear Assy - Konica Minolta bizhub 500 Service Manual

3. PERIODIC CHECK
3.15.6 Replacing the fusing roller, the fusing pressure roller, the heat insulating sleeve /A, the fusing
bearings /Up and /Lw and the fusing input gear assy
A. Periodically replaced parts/cycle
• Fusing roller: Every 250,000 prints
• Fusing pressure roller: Every 250,000 prints
• Heat insulating sleeve /A: Every 250,000 prints
• Fusing bearing /Up: Every 250,000 prints
• Fusing bearing /Lw: Every 250,000 prints
• Fusing input gear assy: Every 500,000 prints
B. Procedure
[7] [8]
[1]
[2]
[9]
86
[6] [5]
[4]
[3]
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Field Service Ver1.0 Feb.2006
1.
Remove the fusing unit.
(See P.76)
2.
Remove the fusing claw assy from the fusing unit.
(See P.78)
3.
Remove the fusing web from the fusing unit.
(See P.80)
4.
Remove the fusing casing.
(See P.82)
5.
Remove the fusing heater lamps /1 (L2) and /2
(L3).
(See P.84)
6.
Remove the 2 screws [1] and then remove the
lamp fixing plate /Rr [2].
7.
Remove the 2 screws [3] and then remove the
fusing input gear assy [4].
Note
• When installing the fusing input gear assy, be
sure to set the D cut section [6] of the shaft
[5] to the D cut hole [8] of the frame [7].
8.
Release the 2 envelope levers [9].
Note
• The envelope lever varies in the number of the
release steps for bizhub 500 and 420. Be sure
to release it up to the limit in either case.
bizhub 500: 2 steps
bizhub 420: 3 steps