Oki B4100 - Manual (Page 176)

40055101TH Rev.4 176 /
4.1.3.15 Heat Assembly
This section explains how to dismount the heat assembly and parts in the assembly.
(1) Disassembly procedure
< Dismounting the heat assembly>
a) First, carry out procedure up to the point
of the 4.1.3.2 (ID Unit, Cover-Rear, Cover-
NCU and Cover-MAIN).
b) Dismount the high-voltage power supply
board. (See Section 4.1.3.10)
c) Remove NCU-Board with two screws.
d) Remove Bracket-Package with three
screws, then disconnect Cable-Flat from
connector on R44-Board (M-CNT).
(See Sction 4.1.3.19)
e) Pull out the Holder-Assy. (See Section
4.1.3.11)
f) Disconnect connector 2, remove two
screws 1, and dismount the heat assem-
bly.
<Dismounting parts in heat assembly>
a) Dismount heat separator.
b) Remove screw 3 and dismount terminal
plate. (Handle heat assembly carefully
because Halogen lamp comes off.)
c) Turn left and right heat bearings in the
arrow direction to unlock. Then, dis-
mount halogen lamp, heat bearing, heat
roller, and heat gear together. (Take care
not to drop the Halogen lamp.)
d) Dismount thermistor.
e) Dismount the clamp, then thermostat, heat
contact, and heat cord together.
f) Dismount heat contact and heat cord from
thermostat.
Screw 1
Heat assembly
Screw 1
Connector 2
Halogen lamp
Voltage display side
Left heat
bearing
Heat gear
Right heat bearing
Heat roller
Heat contact
Thermostat
Heat code
Screw 3
Terminal plate
Thermister
(CP4.1 Fig. 30)
(CP4.1 Fig. 31)
Caution: Take care not to bend the claw when dismounting heat bearing.
(2) Reassembly procedure
Reverse the disassembly procedures