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c7800 0900 error

 
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newbe1
doctor


Joined: 20 Aug 2009
Posts: 289
Location: Boise Idaho
 PostPosted: Tue Apr 11, 2017 12:48 pm    Post subject: c7800 0900 error Reply with quote Back to top
I keep getting this 0900 error low fuser temp what I have done was inspected thermistors cleaned no help, so I replaced both, then I got a 0901 high fuser temp.

the fuser PWB had already been replaced so I replaced the solid state relays was able to run a few prints then got 0900.

One thing I notice is that the temp on both thermistors will reach 165C and on my other c7800 it only gets to 145C.
I know the book tells me to replace main board has anyone else had this issue thanks in advance
 
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