Hp OfficeJet d145 "LED lights flash" Message repeats "Turn Power off and on"

My Hp OfficeJet d145 starts a self test but within a second or two all led's flash rapidly and "Turn power off and on" repeats in message window.  A simi-full reset didn't help.  Unit & ADF have been checked for jams and the ADF unplugged. Input voltage is normal and a 2nd external power supply tried.  I have tried the reset where power is applied and removed 3 times at 30 second intervals.  This allowed the d145 to complete its self test but problem returned as soon as the copy button was pressed.  Any ideas?  Thanks
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Asta CuConnect With a Mentor Commented:
HP All-in-One - Power up and Power Related Problems
HP All-in-One Product Family - Solving Power-Related Problems When Turning On the Product
Asta CuCommented:
No comment has been added to this question in more than 21 days, so it is now classified as abandoned.
I will leave the following recommendation for this question in the Cleanup topic area:

Accept astaec's answer as solution

Any objections should be posted here in the next 4 days. After that time, the question will be closed.

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Asta CuCommented:
Thank you both.  Asta
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