Power Supply - Tektronix Phaser 340 Service Manual

8
Field Replaceable Unit Disassembly/Assembly

Power supply

8-12 Phaser 340 Color Printer
Tools required
Magnetic screwdriver
T-20 TORX tip
T-15 TORX tip
Warning Even when the printer is turned off, AC line voltages may be
present at the printer heaters while the printer is plugged into AC
power.
1.
Turn off the printer and remove the power cord.
2. Remove the top and right-side covers as explained in the earlier topic,
"Cabinet panels and covers" on page 8-4.
3. Disconnect the heater wiring harnesses leading to the power supply.
4.
Remove the ink loader as described in the earlier topic, "Ink loader"
on page 8-6.
5. Remove the printhead as described in the later topic, "Printhead" on
page 8-37.
6.
Disconnect the power supply's wiring harnesses from the power
control board and the interconnect board.