Tektronix Phaser 840, Service Manual

Page: 144 / 207

Service Guide 133
Drum/transfix assembly
1. Remove the right cover.
2. Remove the left cover.
3. Remove the front panel.
Left side
4.
Free the wiring harness leading from the drum/transfix assembly along
the left side of the print engine to the power control board and left I/O
board.
5. Remove the drum position sensor assembly.
6. Remove the upper feed-roller assembly.
7. Remove the paper/drum heater.
8.
Remove the drum temperature sensor.
9.
Remove the C-clip securing the compound gear and remove the gear
and drive belt.
10.
Loosen the exit roller drive belt tensioner. Remove the exit roller drive
belt.
11. Remove the duplex roller pulley and keyed bushing from the left end of
the shaft.
12. Remove the three screws securing the paper-path motor in place.
Remove the motor so you can access the gear and keyed bushing from
the right end of the duplex roller shaft. Remove the duplex roller.
13.
Remove the tilt-arm spring.