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 8400/8500/8550 Product
Training CD-ROM. Select Service and then select Replacement
Videos).
1. Remove the Front Door Assembly as described on page 8-4.
2. Remove Ink Loader Assembly, right and left side covers, and exit cover as
described on page 8-8.
3.
Remove the lower inner duplex guide as described on page 8-41.
4.
Ensure that the printhead is in park position (tilted back) and the Wiper Assembly
is in the home position (all the way down).
5. 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 8-27.) 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.
6. From the right side of the printer, 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.
Note
Refer to the illustration on the next page to locate the cables and connectors
listed in the remaining instructions.
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.
8-34 Phaser 8400/8500/8550 Color Printer