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Power Supply Assembly
Removal
1. Prepare the printer for maintenance (page 223).
2. Make sure the pivoting deck is closed and disconnect the power supply
cable assembly from the printhead assembly. (Figure 48, page 272,
items 9 and 10.)
3. Feed the power supply cable assembly through the frame cutout, from the
media side to the drive side of the printer. You may have to disconnect
and remove the printhead/controller cable first.
4. Disconnect the power supply cable from connector J17 on the controller
board. (Figure 40, page 241.)
5. Disconnect phone-style cable P403 from connector CN403 on the power
supply board.
6. Remove the socket head screw on each side of the power switch.
(Figure 45, page 264, item 2.)
7. Loosen the two slotted thumbscrews securing the power supply to the
base of the frame. (Figure 45, page 264.)
8. Remove the power supply assembly. The power switch and cooling fan
are part of the power supply assembly.
Installation
1. Position the power supply assembly with the power switch centered in the
rear cutout and align the holes at the rear of the power supply assembly
base with the holes in the bottom of the printer frame.
2. Install a socket head screw finger tight on each side of the power switch.
(Figure 45, page 264, item 2.)
3. Hold the power supply assembly against the rear wall of the frame and
tighten the two slotted thumbscrews securing the power supply assembly
to the base of the frame.
4. Tighten the screw on each side of the power switch.
5. Connect the phone-style cable P403 to connector CN403 on the power
supply board.
6. Connect the power supply cable to connector J17 on the controller board.
(Figure 40, page 241.)
7. Feed the power supply cable assembly through the grommet in the printer
frame and connect it to the printhead. If you disconnected and removed
the printhead/controller cable, reroute it and connect it to the printhead
assembly. (Figure 48, page 272, items 9 and 10.)
CAUTION
The rubber grommet covering the edges of the frame cutout protects the
power supply and printhead/controller cable assemblies from chafing
on the metal edges. Chafed conductors can result in damage to the
printer.
8. Make sure the grommet is seated in the frame cutout.
9. Restore the printer to operation (page 224).
Power Supply Assembly
249
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Troubleshooting
