Fuser Unit - Brother HL-2700CN Service Manual

4.3

Fuser Unit

(1). The fuser unit is the unit replaceable component and consists of the important
parts that are important for the product safety. The disassembly and
replacement of the maintenance parts shall be performed by the skillful
personnel having completed the appropriate training and at the appropriate
location having the test facilities for the product safety test.
(2). The wiring of the fusing unit is different subject to the voltage specification,
and therefore the wrong installation may cause the H2 error.
[ Description of Applicable Work ]
1 .
Replacement of Fuser Lamp, Installation of Heater, and Internal Wiring:
Pin Assignment : 120V
4
2
[ Confirmation of Safety ]
1 .
Method of
Measurement for
Insulation Resistance:
• Connect the insulation
2 .
Judgment Criteria:
• The insulation
[ Caution and Request for Replacement of Maintenance Parts ]
120V
240V
3
1
Fuser Connector
resistance tester as
shown in the figure
above.
resistance to be
100M or greater.
Caution
1 - , 240V 1 - 3
4
Thermostat (1)
THS1
THS2
Thermostat (2)
FG
2 3 4
Connector Pin No.
Insulation Resistance Tester
VII-12
Fuser Lamp
Discharge Terminal
To be connected to
the fuser metal frame
(Side Panel)
940W