HP Color LaserJet 3700 50.1 Fuser Error (5950 Views)
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Occasional Visitor
Posts: 1
Registered: ‎05-31-2006
Message 1 of 7 (5,950 Views)

HP Color LaserJet 3700 50.1 Fuser Error

My Color LaserJet 3700n gives a 50.1 fuser error. The fuser is seated properly but the error message remains.
I'd be grateful for any help or advice.
Thanks
Honored Contributor
Posts: 7,433
Registered: ‎11-05-2002
Message 2 of 7 (5,950 Views)

Re: HP Color LaserJet 3700 50.1 Fuser Error

Low Line Voltage. Most likely If it is not the FUser, Low Voltage Power Supply. Hope it is under warranty.


D.
Occasional Visitor
Posts: 1
Registered: ‎03-26-2007
Message 3 of 7 (5,950 Views)

Re: HP Color LaserJet 3700 50.1 Fuser Error

Did replacing the Low Voltage Power Supply resolve the problem?
Occasional Visitor
Posts: 1
Registered: ‎06-05-2007
Message 4 of 7 (5,950 Views)

Re: HP Color LaserJet 3700 50.1 Fuser Error

We had this problem recently and talked with a tech specialist and he suggested getting a fuser maintenence kit which included a new fuser and a roller. I installed this yesterday and have not had any problems since. Average cost for this kit was 95.00
Occasional Visitor
Posts: 1
Registered: ‎06-21-2007
Message 5 of 7 (5,950 Views)

Re: HP Color LaserJet 3700 50.1 Fuser Error

The problem is the middle thermistor inside the hotroller. The hotroller is not 100% round (since its not in hard metal) so it´s moving the thermistor back and forward ~0.5mm at every turn. This will sooner or later break the circuit (in thermistor or the metal parts of the thermistor). Measure the termistor, it should be somewhere about 120k ohm (50k-330k min-max) Anyway, Q3656A solves the problem.
Occasional Visitor
Posts: 1
Registered: ‎01-12-2011
Message 6 of 7 (5,482 Views)

Re: HP Color LaserJet 3700 50.1 Fuser Error

I have the same problem as others.  Replaced roller, replace fuser kit, reset fuser counter, and still get the error message.  HELP!

Outstanding Contributor
Posts: 15,766
Registered: ‎02-27-2006
Message 7 of 7 (5,471 Views)

Re: HP Color LaserJet 3700 50.1 Fuser Error

If the fuser you use is a known good fuser and you still get the error, then the low voltage power supply has issues.

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