Removing/Reinstalling The Thermistor /3 (Th3) - Konica Minolta bizhub PRO 920 Service Manual

Field Service Ver2.0 Aug.2005

3.17.17 Removing/reinstalling the thermistor /3 (TH3)

Note
• Be sure to make the position adjustments when the roller has cooled down.
• When reinstalling the TH3, adjust it with the temperature sensor positioning jig (55VAJG021)
before fixing it. Be sure to apply Screw-lock to the screw that has been fixed.
• After completion of the reinstallation of the TH3, be sure to check the wiring harness to see if it is
in touch with the fusing roller /Up.
A. Removal procedure
[1]
[7]
[3]
[5] [2]
[6] [4]
57gaf2c030na
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.
Open the fusing heating roller assembly. (See
"3.17.7 Removing/reinstalling the fusing heat roller
assembly.")
4.
Cut off the wiring bands [1] at 2 places and [2].
Note
• When attaching a new wiring band, be sure to
use a heat-resistant one (P/N:00Z922320).
5.
Remove the connector [3].
Note
• The connector is a 5-pin connector.
• The connector is made up of a male connec-
tor for relay and 2 female connectors. With a
female connector with white and blue cables
used as a guide, be sure to remove a connec-
tor on the white cable side.
6.
Remove the screws [4], 1 each, and then remove
the 3 clamps [5]
7.
Remove the screw [6] and then remove the ther-
mistor /3 assembly [7].
3. PERIODIC CHECK
175