konica minolta c450 image problem

[jokacross]

Re: konica minolta c450 image problem

Problem is only on cyan + magenta internal printouts from machine.correct?Black and yellows are good so this rules out transfer roller and transfer belt.You have replaced the image units and transfer belt.Check image unit connections/hv connections for these units.If these are ok,which is likely, then hv board should be swapped out as the next step.Also might be no harm to upgrade firmware to rule out any ghosts in the machine Best of luck.

and if after swapping hv board the prob stills, what I can do then? thanks

[blaze2000]

Re: konica minolta c450 image problem

and if after swapping hv board the prob stills, what I can do then? thanks

Cross that bridge when you get to it. i am certain you will never get to it though, your hv1 board is bad.

[mrwho]

Re: konica minolta c450 image problem

Simple question: Did you thoroughly clean the led printheads? If you did and no change came out of that, why not try and swap the printheads around to see if anything changes?

[blaze2000]

Re: konica minolta c450 image problem

The c450 has a single Lsu. you cant swap or replace individual print heads like a led machine.

[blackcat4866]

Re: konica minolta c450 image problem

The c450 has a single Lsu. you cant swap or replace individual print heads like a led machine.

I was leaning toward the laser, myself. Is it a dirty environment? Maybe just dirty laser optics? =^..^=

[EarthKmTech]

Re: konica minolta c450 image problem

The c450 has a single Lsu. you cant swap or replace individual print heads like a led machine.

wrong. It IS an LED machine.

C451 series was the one that went to single LSU first

[jokacross]

Re: konica minolta c450 image problem

Simple question: Did you thoroughly clean the led printheads? If you did and no change came out of that, why not try and swap the printheads around to see if anything changes?

gonna try this first and than, if not work, I will swap the hv1 board. thanks a lot for this idea

[jokacross]

Re: konica minolta c450 image problem

I was leaning toward the laser, myself. Is it a dirty environment? Maybe just dirty laser optics? =^..^=

Yes mabe it need a good cleaning hehe thanks a lot guys for the reply's

[jokacross]

Re: konica minolta c450 image problem

I get in touch when I get new developments about this thanks

[blaze2000]

Re: konica minolta c450 image problem

wrong. It IS an LED machine.

C451 series was the one that went to single LSU first

I stand corrected you are correct sir.

[jokacross]

Re: konica minolta c450 image problem

Simple question: Did you thoroughly clean the led printheads? If you did and no change came out of that, why not try and swap the printheads around to see if anything changes?

and one more thing can I change this? like the yellow print head for the magenta print head? swapping them? thanks

[mrwho]

Re: konica minolta c450 image problem

I've done it several times, I just can't recall the exact models where I did it. Just check the part no for each printhead. If they match, then you can swap them.

[jokacross]

Re: konica minolta c450 image problem

I've done it several times, I just can't recall the exact models where I did it. Just check the part no for each printhead. If they match, then you can swap them.

Thanks!!!!!!

[RRodgers]

Re: konica minolta c450 image problem

I've done it several times, I just can't recall the exact models where I did it. Just check the part no for each printhead. If they match, then you can swap them.

Color print heads can be swapped with another color, just don't swap it with black. (if I remember correctly)

[jokacross]

Re: konica minolta c450 image problem

Color print heads can be swapped with another color, just don't swap it with black. (if I remember correctly)

okok. that's really help me. thanks a lot to!