Question about Dell 1600n All-In-One Laser Printer

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Open Heat Error

We changed the fuser unit out on this printer a few weeks ago. Now it has a "OPEN HEAT ERROR" on screen, that changes back and forth to "PC Print Pending" message. I have cycled the power and the error comes up right away. I have not looked at the fuser unit yet. I amgoing to take a look at the lamp and look for any fuses or even a thermal switch. Any other input would be appreciated. Thanks.

Posted by Vinal Lang on

  • Anonymous Apr 03, 2008

    We just got and hooked up dell printer and right away we are getting an open heat error on the screen.. Is this a defect should I just get a new one or is it a simple solution.. Thanx Lisa

  • micheli Apr 22, 2008

    "open heat error" Is there a solution?



5 Answers


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The thermal switch on the fuser are damaged. my problem is that I don't know the temperature of activation to this. And do not buy a replacement under this conditions. somebody help me.

Posted on Oct 27, 2008



My problem was that I forgot to plug the fuser back in - there are 2 connectors - one on the right and one on the left

Posted on Apr 09, 2008



You need to make sure the voltage of the fuser is compatible with your printer. It can bring up all kinds of errors aswell as a burning smell.

Posted on Feb 22, 2008


I was gettng dirty copies and a Dell Rep suggested I needed to replace fuser. Ordered a new one, installed it with Dell's help and the "open heat error" started up. We then put the old fuser back in and the same problem continued...."open heat error". I'm wondering if something else may be in play...I've unplugged, replaced and started over but none of it helps. Perhaps there is something that needs to be reset, etc when installing this part. I did not have this error until I installed the new fuser.

Posted on Oct 02, 2007


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From the user manual: The following errors indicate there is a problem in the fuser unit. CRU Fuse Error [Low Heat Error] Heating Error Open Heat Error [Over Heat] Suggested solutions include: Unplug the power cord and plug it back in. If the problem persists, please call for service.

Posted on Sep 27, 2006

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