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Konica 7020 f34-1 and f34-4

Hiya, Ive just replaced the heat and pressure rollers in a 7020 copier, (used to work in the industry and lost my manual/notes) its coming up with 34-1 which I thought was go into 25mode reset bit 3-1 to off, now its coming up with f34-1 and f34-4 Ive rechecked the thermistor there was a tweak to ensure the left hand one wasnt rubbing onthe new roller, and the right pair of sensors look clean but now its not going away, would that suggest the left one is faulty? Havent replaced the right pair yet although I do have a set.
Any ideas?


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  • steve7166 Jun 10, 2008

    replaced with the yellow wired product madly searching thru old boxes trying to find my old error code book for a f35-10 now, anyhelp on this would be appreciated, although I did find my parts disk but that didnt have error codes :(

  • steve7166 Jun 12, 2008

    ive replaced with the yellow wired ones now getting f-35-10 error anyone got a code book handy? still cant fin dmine they are up in storage :(

  • Anonymous Sep 01, 2008

    getting message f 34-4


2 Answers

Thanks, Ill replace them and advise how it goes, pretty sure tehy were whte ones from memory.

Posted on Jun 10, 2008

If your pair of thermistors has white wiring instead of yellow (improved), replace the set with the latest part number, 26NA88013. The "left" one, is called a "thermostat", but is really a safety fuse. It should read dead short.

Posted on Jun 09, 2008

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