Service manual

FO-4400U

FO-CS1

3 – 25

Fusing unit (1/2)

Fig. 20

1. Remove the Fusing unit. (3 screws, 3 connectors)

NOTE:

• The Fusing Unit is to be replaced as a unit at about every

50,000 printed pages.

*: Use the following procedure when a part comprising the Fusing Unit

is to be replaced individually to correct an image problem or the

defective part.

2. Remove the sensor fixing bracket and the Paper Exit Sensor (PS3).

3. Remove the Heater Lamp holding cover. (1 screw and 1 spring)

4. Remove the 2 mounting screws.

5. Pressing the right and left tabs (at 2 places), separate the upper

half of the Fusing Unit from the lower half.

(a)

(b)

(c)

Bushing

Backup Roller

Fusing

Entrance

Guide

6. Remove the bushings and the Backup Roller.

7. Remove the Fusing Entrance Guide.

(a) Push the Fusing Entrance Guide to the left.

(b) Pull out the right end of the Fusing Entrance Guide.