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View Full Version : Bizhub C6500 - Code C-3801, TEMS/1 temperature suddenly drops after random time


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mariuscmr
01-17-2020, 12:54 AM
Hello,

I have an issue with my printer which I could diagnose only by monitoring sensors output.

After a random amount of time (sometimes 5 minutes, last time 27 minutes), in fusing unit, temperature recorded on TEMS/1 suddenly drops in half and the machine stops.

I checked / cleaned all four temperature sensors and all 3 thermostats (heater and pressure). Nothing helps. I was afraid to swap TEMS/1 with TEMS/2 because I wasn't sure they are the same, although they look the same.

I really suspect the TEMS/1 to be the faulty one, but I need to be more sure. Can anyone advise me please?

I recorded the moment when temperature drops, here is the link:


https://www.youtube.com/watch?v=7mk4gDdBAQ8

Toxic
01-17-2020, 02:28 AM
That is not rare problem on that machines,i always have 1 spare sensor for them.
Both sensors are the same,different is just wires length from sensor to connector.
I am almost sure new sensor will solve your problem.
Only once i have that error and it was not sensor problem, it was paper betwean sensor and fusing belt so sensor could not read properly.

methogod
01-17-2020, 04:32 AM
replace sensor short of a wire being broken, would replace sensor.

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