Table of Contents
Advertisement
9.2.26 Power Transformer
Removal
1.
2.
3.
4.
5.
6.
7.
Turn power off at the operator control panel.
Separate the printer from the power supply
(9.2.2).
Remove the following leads from TB 1 :
a. Neutral TB 1-4 and 48 Vac TB 1-1
m.
(Remove the leads from the bottom
side of TB 1.)
b. Fan leads TBl-7 and TB1-l0
Ii).
Remove the four transformer mounting
screws
ID.
Remove the two screws from the fan
mounting bracket
II.
Unplug the secondary leads from the power
supply board.
Lift out the transformer and fan.
8.
Connect the fan leads to the new transformer.
9.
Set the transformer in place being sure that
the star washer
Ii!
is under the left rear leg
of the transformer (viewed from the front of
the pri nter).
10.
Install the four mounting screws
m
in the
transformer legs.
11.
Plug the secondary leads into the power supply
board as follows:
a. Black into 4B (lead 12) and 4C (lead 15)
iii.
b. Blue into 3 (lead 14) and 9 (lead 16)
m.
c. Red into 2 (lead 11) and 8 (lead 13)
m.
12.
Install the fan (two screws)
[J.
13.
Connect the neutral lead to TB 1-4 and the
48 Vac lead to TB 1-1.
14.
Complete the procedure by reassembling the
printer on the power supply (9.2.2).
Note:
Transformers with an internal shield have
a ground lead that must be connected under a trans-
former leg when installing the transformer.
9-34
9.2.27 Fan
Removal
1.
2.
3.
4.
5.
6.
7.
Turn power off at the operator control panel.
Remove the printer covers and separate the
printer from the power supply (9.2.2).
Remove the two fan leads from the trans-
former side of TBl-7 and TB1-10
~
.
Remove the two fan bracket mounting screws
II·
Lift the fan assembly out. (Make sure that
the bracket clears the power supply board.)
Remove the fan from the bracket. When re-
installing the bracket, be sure that the air
flow direction arrow on the fan points
toward the bracket.
Reinstall the fan by reversing this procedure.
Advertisement
Table of Contents
