Power Supply; Fuser Installed Switch - Tektronix Phaser 550 Service Manual

Power supply

Fuser installed switch

1. Remove the upper and lower rear covers and the rear right side cover
as explained in the earlier topic, "The printer cabinet" on page 8-2.
2.
Disconnect the wiring harnesses connected to the power supply.
3. Remove the four screws securing the power supply in place. Lift and
remove the power supply.
Caution
Reassembly Note: The bottom of the power supply features two
slots that engage tabs in the printer frame for reassembly. At the
rear base of the power supply, be sure to route the AC wiring
harness through the top of the grommet and out the bottom before
engaging the power supply's assembly slots to the frame tabs.
Failure to properly route the AC wiring harness can pinch the
wiring and short AC power to the printer frame.
1. Remove the upper and lower rear covers as explained in the earlier
topic, "The printer cabinet" on page 8-2.
2. Remove the power supply as explained in the previous procedure.
3.
Locate the fuser-installed switch located on the underside of the
printer's fuser fan housing. Disconnect the switch's wiring harness.
4. Remove the screw securing the switch to the fan housing. Remove the
switch.
FRU Disassembly/Assembly
Service Manual
8
8-11