Removing/Reinstalling The Thermistor /1 (Th1) - Konica Minolta bizhub PRO 920 Service Manual

Field Service Ver2.0 Aug.2005

3.17.15 Removing/reinstalling the thermistor /1 (TH1)

Note
• Be sure to make the position adjustments when the roller has cooled down.
• When reinstalling the TH1, adjust it with the temperature sensor positioning jig (55VAJG011)
before fixing it. Be sure to apply Screw-lock to the screw that has been fixed.
• After completion of the reinstallation of the TH1, be sure to check the wiring harness to see if it is
in touch with the fusing roller /Up.
A. Removal procedure
[1]
[5]
[2]
[4]
57gaf2c025na
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 web motor assembly. (See "3.17.20
Replacing the web motor (M16).")
4.
Remove the fusing unit /Up. (See "3.17.14
Replacing the thermistor /2 (TH2).")
5.
Cut off 2 wiring bands [1].
Note
• When attaching a new wiring band, be sure to
use a heat-resistant one (P/N:00Z922320).
6.
Remove the connector [2].
Note
• The connector is a 2-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 red cables
used as a guide, be sure to remove a connec-
tor on the white cable side.
7.
Remove 2 screws [4] and then remove the ther-
mistor /1 assembly [5].
Note
• For the method for installing the thermistor /1
assembly, see "B. Installation procedure."
3. PERIODIC CHECK
171