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oscar
07-20-2011, 05:09 PM
10919

I'm in this jam featuring a C451. I will say what has changed: the unity of full duplex, and the board PFTDB PRCB. someone help me.

Gaffers01
07-20-2011, 05:42 PM
Did the machine have a finisher on it when this problem started?

oscar
07-20-2011, 06:01 PM
Did the machine have a finisher on it when this problem started?

was the finisher, but with or without the finisher of this jam the machine. how to have a master reset on the machine?

Gaffers01
07-20-2011, 06:05 PM
You need to plug the finisher back in, and open covers and switch On machine.

This should then reset machine.

oscar
07-20-2011, 06:16 PM
You need to plug the finisher back in, and open covers and switch On machine.

This should then reset machine.

done the way you said and still the same message.

empiru
07-20-2011, 08:34 PM
Hi! I don't think your machine is indicating a jam in the duplex unit, more like in the fusing unit. I think you should look there closer to see if all the sensors/actuators are in the place where they are supposed to be. I think this problem has a simplier solution, I don't think you should have changed the duplex and that board... Let us know if you find something wrong there.

BIG PAPA
07-20-2011, 10:35 PM
In the Service mode go to couters and Jam history. What code is being recorded?

minimerlin
07-21-2011, 12:10 AM
Have a look at the exit sensor, it is on the RH door at the top by the yellow coloured guides. It is easy to knock the sensor mounting so that the actuator does not cut the beam.

JustManuals
07-21-2011, 12:37 AM
This Parts & Service manual can be purchased for $12.77 and downloaded immediately after payment from

Just Manuals ~ The Internet's largest selection of manuals ~ Instant Downloads (http://www.justmanuals.com)

Paul@justmanuals.com

Ianizer
07-21-2011, 07:28 AM
ADU sensor could be plunged. Old C350 failing, but see it on C650 series occasionally.
-I

SCHWARZ
07-21-2011, 02:14 PM
try clean ADU section and ADU sensor from paper dust

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