Drum Assembly - Xerox Phaser 8400 Service Manual

Drum Assembly

(PL 2.8)
)Videos are available with instructions for replacing the Drum
Assembly. Videos are located on the Phaser 8400 Customer Support
training CD-ROM.
1.
Remove the Front Door assembly (see page 8-4).
2.
Remove Inkloader Assembly (see page 8-8).
3. Ensure that the Printhead is in park position (tilted back) and the Wiper
Assembly is in the home position (all the way down).
4. Insert a T-20 Torxbit through the right slotted hole in the Transfix Load Module,
engage the hole on the back of the module, and lever the module's spring cam
toward the center of the printer to release/unhook the spring hooks from the
Transfix Load Arms. Slowly relax the lever to return the spring cam to the
relaxed position. (See the figure on page 8-24.) Repeat for the other side.
Note
Ensure that you lever the spring cam towards the center. Applying the
pressure in the wrong direction can damage the Transfix Load Module.
5. Remove the clevis pins securing the Transfix Load Arms to the chassis and
remove the Transfix Load Arms and the Media Release Blade Carriage Assembly
(see the figure on page 8-25).
6. Remove 3 screws from the Drum Fan Assembly and allow the fan to hang free.
7. Relieve tension on the belt by pulling the end of the spring arm toward the front
of the printer using your fingers. (See the figure on page 8-9.)
8. Slide the belt off the pulley
9. Unplug the Drum Heater Cable from the Relay Board and free the cable from the
retaining hook.
10. Unplug the Drum Encoder Cable connector from the Power Control Left Cable
and free the cable from the retaining hook.
11. Unplug the Drum Thermistor Cable connector from the I/O Board.
12. Remove the Exit Module assembly (see page 8-35).
Note
Note the wire routing for the sensor on the drum for use during installation.
Caution
The Drum Thermal Sensor Cable is routed through the Exit Module. Use
care during removal to avoid damaging the sensor.
13. Remove 3 screws and washers from the right side of the Drum Assembly.
8-30 Phaser 8400 Printer Service Manual