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minolta35
01-25-2010, 09:56 AM
I've change a gear rear of the machine and when power on displays P51?What does it mean?It can be reset_?

dogsbody
01-25-2010, 11:39 AM
P-51 is an open front door
The front door pushes a rod that actuates a switch in the back of the machine. If you were replacing a gear for around the fuser this is the general area. Have a look when you open the front door, approximatly above the fuser you will see where the front door pushes the rod. It is a straight line to the rear of the machine where you will find the interlock switch.
It has been a very long time since these machines were current but that should be the area to look.
Cheers.

minolta35
01-29-2010, 10:18 AM
Interlock switch works well.is it resetable code?

mrwho
01-29-2010, 11:08 AM
It should disappear as soon as you close the door. Either the switch is disconnected, malfunctioning or the door isn't activating the switch.

DCPS
01-29-2010, 01:07 PM
This message had very often with the power supply to do. If you are sure that all the other parts are good then you should think about it.

minolta35
02-02-2010, 09:44 PM
OK I'll check it again.

Coptech
02-02-2010, 09:50 PM
Make sure the door under the bypass isn't open.

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