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34S6 Power
Supply
Transformer
DANGER
Line voltage is present at the power switch termillllis any
time the ac power CIlble is connedeti.
Removal
1.
Switch off the printer power.
2.
Disconnect the ac power cable
e.
3.
Remove the power supply (3453).
4.
Remove the power supply board assembly (3454).
CAUTION
The ac capacitor may hold an electrical charge. Remove
the insulating caps carefully; then discharge the capacitor.
5.
Disconnect the two transformer primary wires
from the ac capacitor (3455 step 5).
Note:
On 50 Hz, 50/60-Hz transformers, the ac
capacitor wires must be disconnected from TB2
• on the transformer.
~t';
//
•
AC power
cable
AC capacitor
(under power supply
capacitors)
6.
Remove the four nuts
G
and remove the trans-
former. Note that the star washer is under the
transformer corner at the ground symbol.
Reinstallation
1.
Reinstall the transformer with the four nuts
G.
Also install the star washer under the transformer
corner at the ground symbol.
2.
Connect the two primary transformer wires to the
ac capacitor
e.
Note:
On 50 Hz, 50/60-Hz transformers, the ac
capacitor wires must be connected to TB2 • on
the transformer (B002).
3.
Reinstall the power supply board assembly
(3454).
4.
Reinstall the power supply (3453).
5.
Connect the ac power cable.
(50 Hz,
50/60
Hz only)
Mounting nuts (4)
Maintenance Procedures 3-95
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