km 3530 and km 2035

[happicopy]

I got a km3530.its running well until i saw the upper fixing roller needs replacement. what i did , i got the fixing assy from a km3035 unit that is in the stockroom , hoping for a quick fix and swap it in the km 3530. a code appears c7400. i swap back the original fixing assy but i still got the code c7400. now i cant reset the c code. any info for me? please...

My next question is about km 2035, is there a provision for a analog meter? maybe on the main board connector perhaps??? or an option for a analog counter?.

[kkendric]

C7400

Image formation unit connector insertionproblem

•

Absence of the image formation unit

is detected.

KM2530, 3530 & 4030 fusers are not the same as KM 3035, 4035 & 5035

KM3530 Fuser # 302BJ93044

KM3035 Fuser # 302FG93036

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[kyogenius]

a closer look at fuser units shows they are different ,heat rollers and pressure rollers are not the same, but more importantly the small chips/boards inside the fuser units are different so u get an error code,

[Dan J]

No, you can't swap fusers, but the error you're getting is for the image formation unit (drum unit). Didyou have the drum out?

[happicopy]

No, you can't swap fusers, but the error you're getting is for the image formation unit (drum unit). Didyou have the drum out?

My bad guys...silly me for swapping the fuser..but i did not take out the drum set..only the fuser.after swapping the fuser, i just turn it on then c 7400 appears . what i did after is returned the original fuser and power on the machine, but the c7400 is still there hence cannot be reset..i 've check the drum connector hoping for a loose connection but to no avail..c 7400 is still there.is there a possibility that i damaged the main board? any suggestion ???