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‎11-30-2018 10:17 AM

HP Recommended
Product: Sony Laptop
Operating System: Microsoft Windows 7 (64-bit)

Having benefited from Matt's kind help I was able to dismantle my HP4 and duly cleaned it and ensured that the driving wheels appeared to be free from damage I reassembled it and found that the same error message appeared " 57 Service".

The cooling fan operates but I would like further check that the motor is running correctly! I am aware that as part of test procedure the motor speed must run at the correct speed! 

With the unit fully reassembled I am wondering what way I can prove that the motor is behaving correctly!

Many thanks for any thoughts you might have!

 

David

1 REPLY 1

‎11-30-2018 12:29 PM

HP Recommended

Hi I would like to assist to the best of my ability to solve your problem.I hope the information i supply will be of help.

I remember once had this problem.I cleaned the fan and oiled the bushings.It did turn a bit beter but had to replace the motor to rectify the problem.Hope this will help.

I am A certified Copier Technician.
It is so nice to give some help where possible and the forum is a great idea Thank You.Sometimes a picture speaks louder than words to find a solution.Should you find my help use full just give some credit for my effort please.
.Thank You.Copier-Pro
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I'M NOT AN HP EMPLOYEE AND DO ANSWER THESE QUESTION ON MY OWN BEHALF.
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