MPC 4502 / 5502 just me or is fuser garbage

[Counsel]

I am curious if anyone else has had issues with the fuser sleeve design on the 4502 Code D143/144 models. I have about 4 of these machines in my area all less then 300k pages and have had to replace hot roller sleeve unit on all of them at least 2 or 3 times. Two common issues between all 4 of the machines is either 1 the sleeve somehow gets crinkled in the center which then sounds like a crunched pop can with poor fusing or the other failure is lots of build up on the separation bar in the center which eventually builds up and starts scratching off the sleeve surface and this is happening within 25-40k pages on all of these.

None of them are run under any extreme paper types the customers are running 90% 8.5x11 and small amount of 11x17 plain 20# paper for both nothing that would seem to cause crinkling the sleeve, as for the toner build up not sure if it its not heating properly or what.

Is anyone running a different fuser in these with success or even having these issues, i have been going through hot rollers like crazy on them.

Thanks in advance for any suggestions.

[ucinn]

Re: MPC 4502 / 5502 just me or is fuser garbage

I am curious if anyone else has had issues with the fuser sleeve design on the 4502 Code D143/144 models. I have about 4 of these machines in my area all less then 300k pages and have had to replace hot roller sleeve unit on all of them at least 2 or 3 times. Two common issues between all 4 of the machines is either 1 the sleeve somehow gets crinkled in the center which then sounds like a crunched pop can with poor fusing or the other failure is lots of build up on the separation bar in the center which eventually builds up and starts scratching off the sleeve surface and this is happening within 25-40k pages on all of these.

None of them are run under any extreme paper types the customers are running 90% 8.5x11 and small amount of 11x17 plain 20# paper for both nothing that would seem to cause crinkling the sleeve, as for the toner build up not sure if it its not heating properly or what.

Is anyone running a different fuser in these with success or even having these issues, i have been going through hot rollers like crazy on them.

Thanks in advance for any suggestions.

They are crap for sure..they don't make it to life too often. There a couple TB's on it for offsetting and dirty copies. It has you change a bunch of temperature settings. I have done these on a couple of mine tosee what happens. I just did them within the last couple weeks, so it might be a while before I findout the results.

[slimslob]

Re: MPC 4502 / 5502 just me or is fuser garbage

I am curious if anyone else has had issues with the fuser sleeve design on the 4502 Code D143/144 models. I have about 4 of these machines in my area all less then 300k pages and have had to replace hot roller sleeve unit on all of them at least 2 or 3 times. Two common issues between all 4 of the machines is either 1 the sleeve somehow gets crinkled in the center which then sounds like a crunched pop can with poor fusing or the other failure is lots of build up on the separation bar in the center which eventually builds up and starts scratching off the sleeve surface and this is happening within 25-40k pages on all of these.

None of them are run under any extreme paper types the customers are running 90% 8.5x11 and small amount of 11x17 plain 20# paper for both nothing that would seem to cause crinkling the sleeve, as for the toner build up not sure if it its not heating properly or what.

Is anyone running a different fuser in these with success or even having these issues, i have been going through hot rollers like crazy on them.

Thanks in advance for any suggestions.

I had one about two week ago with the crinkled center. When replacing it, I had to clean the build up from the separation bar. When checking bulletins before ordering, I found two changes to the part number for the sleeve assembly. There were about 3 or 4 other bulletins about the fusing unit and noise.

One thing on the bright side. After replacing the sleeve assembly, you have a spare fusing lamp.

[Smee]

Re: MPC 4502 / 5502 just me or is fuser garbage

These fusers are crap - but at least their real easy to change, only 2 parts.

Ive read the bulletins about cold offset, had a few places where smudging happens cause of the paper type and these SP adjustments seem to work good.

Im not too worried about them being crap as their soooo easy to change! I havnt had any last their life yet. They dropped the price here of the parts to reflect the fact they dont last so its not really a big deal here.

Oh...and remember to carry a LCT switch with wires to fix the SC5... codes.

[drwevil]

Re: MPC 4502 / 5502 just me or is fuser garbage

there is a firmware update for fuser issues too...

[Llama God]

Re: MPC 4502 / 5502 just me or is fuser garbage

there is a firmware update for fuser issues too...

There is indeed. It adjusts the fuser temperatures amongst other things, I believe.

We've not had too many problems with them, but at least they're less of a ball-ache to do than MPc4500 fuser rebuilds.

[Counsel]

Re: MPC 4502 / 5502 just me or is fuser garbage

They arent to bad to change would be even easier if the engineers wouldnt have routed the thermister wiring on the outside of the casing makes the bottom cover a pain to remove it, but really replacing it isnt that bad its just my customers who bought them within the last year are getting tired of having to come and rebuild the fuser every 2 months because it either gets scratched or crinkled. I did do the firmware updates and followed the tsbs but it doesnt seem to resolve damage to the sleeve, as much as i hate to say it kind of wish they go back to the orange sleeve it seemed sturdier then this new one.

[Bantams]

Re: MPC 4502 / 5502 just me or is fuser garbage

Don't forget to swap the Stripper plate over from the old Sleeve when replacing them or they will fail pretty quickly.

I've had 2 where the Engineer as replaced the sleeve without swapping the stripper plate over it will work without it until they do a full page col copy and then it will wrap around the sleeve and cause it to fail.

[Counsel]

Re: MPC 4502 / 5502 just me or is fuser garbage

I never forget a stripper...

[Sweden_GBG]

Re: MPC 4502 / 5502 just me or is fuser garbage

They are crap =) but they have change the partnummber so after change the hole unit we had no more problem (yet).

[Bantams]

Re: MPC 4502 / 5502 just me or is fuser garbage

Don't fit a MPC4502 Fuser sleeve into a MPC3502 coz its a different part number and it doesn't work properly Just adding to the thread:/

[Debs1964]

Re: MPC 4502 / 5502 just me or is fuser garbage

Don't fit a MPC4502 Fuser sleeve into a MPC3502 coz its a different part number and it doesn't work properly Just adding to the thread:/

Correct, the lamps are different

[Counsel]

Re: MPC 4502 / 5502 just me or is fuser garbage

Might have found a cause to my headaches, i had 3 of these installed about the same time after replaced 3 or 4 fusers in each of them i noticed the stripper plate is bent in the center, theres about 3 inches of the edge thats flared out towards the paper which is where all the toner is building up, i didnt think much of it until i looked at one we installed a few months ago that hasnt had an issue and the stripper plate has a perfectly straight edge on it. From the looks of how it is bent i would say it was manufactured that way. I am getting new ones to replace them and see if this solves my 20k fuser roller issues.

[Bantams]

Re: MPC 4502 / 5502 just me or is fuser garbage

Nah it got bent when someone forgot to fit it before fitting the new sleeve then had to bend it slightly to fit it after the sleeve was installed I Know ive done it once myself Now we just fit new scrapper plates when changing the sleeves less hassle.

[Counsel]

Re: MPC 4502 / 5502 just me or is fuser garbage

Ill have to get a picture of it posted, this wasnt bent by hand even if you were to push it hard. Its not bent in/out from the center. The edge which is like a knife edge is actually flared for 3 inches uniformly done like it was machined that way. I couldn't bend the edge of that with a pair of pliers this perfectly.