Toner Cartridge Drive Unit; Home Position Sensor Assembly And The Left Door Opened Switch - Tektronix Phaser 550 Service Manual

8
FRU Disassembly/Assembly

Toner cartridge drive unit

Home position sensor assembly and the left door opened switch

8-18 Phaser 550 Color Printer
1.
Remove the upper and lower rear covers and the left side cover as
explained in the earlier procedure, "The printer cabinet" on page 8-2.
2. Remove the power supply as explained in the earlier topic, "Power
supply" on page 8-11.
3. Remove the engine control board and bracket as explained in the
previous procedure, "Engine control board" on page 8-14.
4. Remove the engine driver board and bracket as explained in the
earlier topic, "Engine driver board" on page 8-14.
5. Remove the front door/right side door interlock switch.
6.
Remove the cleaning board and the cleaning board bracket as
explained in the previous procedure, "Cleaning board" on page 8-16.
7. Remove the six screws securing the toner cartridge drive unit to the
printer. Remove the drive unit.
1. Remove the upper and lower rear covers and left side cover as
explained in the earlier procedure, "The printer cabinet" on page 8-2.
2. Remove the engine control board and bracket as explained in the
previous procedure, "Engine control board" on page 8-14.
3. Remove the engine driver board and bracket as explained in the
earlier topic, "Engine driver board" on page 8-14.
4.
Accumulator belt home-position sensor assembly. Remove the two
screws securing the home position sensor assembly in place.
5. Left door opened switch. Open the left door. Squeeze the interlock
switch's cover to release it. Move it out of the way.
6.
Disconnect the wiring harness leading to the interlock switch.
7. Remove the two screws securing the interlock switch in place.
Remove the switch.