Question about Samsung SCX-4100 All-In-One Laser Printer

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Open heat error

I CAN'T FOND WHER IS FUSER ASSAMBLER pls. send me service manual of the samsung 4100 all in one at Thanks. dilip

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I think you can get a service/repair manual from this link:

Posted on Jul 30, 2009

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At the back of the printer, just before the paper comes out of the rear paper output area, is the fuser. It's easy to find if the printer has been recently on (and used) as it will be the hottest part of the printer.

So far I haven't had any luck in locating documentation for it (besides the rather simplistic user's guide).

Posted on Jun 01, 2009

  • erniepapa Apr 06, 2011

    I removed the fuser from my unit to install the new fuser that I had purchased. I discovered a tripped "thermal disc" on faulty fuser that could not be reset manually so I placed the fuser in my freezer and guess what - the thermal disc reset itself. Next time I will bypass the disassembly step, remove the toner cartridge and put the entire printer in the freezer for a few hours.


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Samsung scx-4100 all in one
problem as open heat error

Posted on Apr 06, 2010

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Posted on Jan 02, 2017

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1 Answer

Error heat open

Error Heat is mainly related to the fuser
you need to send the printer to service

Aug 23, 2010 | Samsung SCX-4100 All-In-One Laser Printer

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My samsung scx 4100 series printer showing open heat error.....what can i do for this error

this is a fuser problem. Maybe lamp is broken or heat sensor didnt work properly.
You can fix it whit repalcing fuser module or replacing broken parts (cheaper way).
Just visit authorized service - my advice!

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Low heat means either the fuser is not heating up or it is not sensed properly. you can find a new fuser at but the low voltage power supply could be bad as well.

Oct 29, 2009 | Samsung SCX-4100 All-In-One Laser Printer

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Open Heat Error

The fuser unit is most probably faulty, you will need to have it replaced.

May 19, 2009 | Samsung SCX-4100 All-In-One Laser Printer

1 Answer

Open heat error

the fuser is in the ceter of the printer.
you have to take the whole printer apart to get to it. The fuser comes in two parts.
attached is the diagram of the internal components.
if you like, post your request here with your e-mail address, I will send you the printer service manual, since I can't post anyd619a2c.jpgthing that big here.

May 18, 2009 | Samsung SCX-4100 All-In-One Laser Printer

1 Answer

Suddenly I am fatching with my Samsung SCX-4100 printers with a message that " OPEN HEAT ERROR" Please help me I am with e-mail address :

this normally your machine requires a new fuser unit, if it is not under warranty it would be cheaper to buy a new machine.

you could take it to a service agent and they may be able have a look.

Jan 01, 2009 | Samsung SCX-4100 All-In-One Laser Printer

2 Answers

Open heat error on samsung scx 4100

What the error message is referring to is that the fuser assembly in the back of the unit is bad and wont heat up to the required temperature. A fuser is used to melt the powdered toner into the paper.
You are probably going to have to call a service tech to verify this and have it ordered and installed as usually this is not a user serviceable part.

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Samsung says you should send it in for service, and lists service locations. They also say the fuser typically dies after 50,000 pages -- 100 reams, which doesn't seem like -that- much.

You may be able to call a service center and see if they can help.

I did a search and found someone purporting to sell a service manual for $10; I don't know whether this person is credible and legitimate and legal.

You may try to see how much the service manual costs through Samsung itself.

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Hy i had the same error message the error comes from the fuser unit , the halogen lamp is not heating , on the top of the fuser unit is a Thermostat in series with the halogen lamp wich u have to replace. Its not that easy if you dont have experince but it will solve the heat error. I hope this helped

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