Heaters; Paper Preheater - Tektronix Phaser 360 Service Manual

Heaters

Paper preheater

Tools required
Magnetic screwdriver
Needle-nose pliers
5/16-inch nut driver
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, left -side and right-side covers as explained in the
earlier topic, "Cabinet panels and covers" on page 8-4.
3.
Open the front door and remove the drum maintenance tray.
4. Remove the two screws securing the two ground wires in place to the
front of the paper preheater.
5. If the printhead is not in its print position next to the drum, rotate the
process motor counter-clockwise to move the printhead to its print
position. Make sure that the tilt cam gear is engaged to the tilt cam
solenoid.
Caution If you remove the process motor drive belt without the printhead
in the print position, the printhead will quickly travel to the print
position and may damage the drum and printhead.
6.
Left side: Loosen the process motor drive belt tensioner and remove
the drive belt.
a. Loosen the compound gear position sensor.
b. Remove the E-ring securing the compound gear in place. Then
remove the gear.
c. Remove the screw (below the compound gear's shaft) securing the
left side of the paper preheater to the engine frame.
d. Remove the paper preheater drive belt from the left end of the
paper preheater's feed roller.
Field Replaceable Unit Disassembly/Assembly
T-20 TORX tip
T-15 TORX tip
Service Manual
8
8-17