Question about Xerox DocuColor 12 Color Copier

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Docucolor 12 no power up

When I turn on copier don't power up, I have change the a/c card pwba-ac twice, I turn on and works after i turn off and try again to start up, the ac card won't work, Any idea?
thank you

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Something could be shorting it out. Which ac pwb have you changed? If the same thing happens when coming out of power save (it wont come out) then its the low voltage power supply. a common one with these machines

Posted on Mar 09, 2009

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Posted on Jan 02, 2017

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Service Req E511
�� Possible parts that caused the error�� Troubleshooting
�� Photoconductor Unit �� SENSOR TR-0
�� HARNESS-ASSY XERO �� MOTOR ASSY P/R
�� HARNESS ASSY MAIN �� PWBA MCU�� LV/HVPSStep Check Yes No
1 Check of Photoconductor Unit attachment
Re-attach Photoconductor Unit.
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2 Operation check of Photoconductor Unit
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3 Check for dirt on silver seal on Belt in
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Remove Photoconductor Unit.
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Go to Step [5]. Re-attach
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TR-0, and go to
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5 Check of dirt and foreign bodies on surface
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Remove Photoconductor Unit.
Are there any dirt or foreign bodies on the
SENSOR TR-0 surface?
Clean to remove
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foreign bodies,
and go to step
[6].
Go to Step [7].
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Go to Step [7]. End of
procedure
7 Operation check of SENSOR TR-0
Remove Photoconductor Unit.
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Disconnect the P/J416 from PWBA MCU.
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J416-1 ↔ J108-3
J416-2 ↔ J108-2
J416-3 ↔ J108-1
Replace
SENSOR TR-0.
(p.361)
Replace
HARNESSASSY
XERO.
10 Check after replacement of MOTOR ASSY
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Replace MOTOR ASSY P/R. (p.398)
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Go to Step [11]. End of
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11 24 VDC power supply check to MOTOR
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Disconnect P/J201 from MOTOR ASSY P/R.
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Repair broken
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