MPC5502 SMUDGES

[digicor]

Only on 11 x 17 i get a bad blk smudging across the whole image and only where the picture and text are, i run 8.5 x 11 and no problems, ive checked the fuser, it looks clean, the trans belt clng blade is donig its job, as i stop the machine a man turn the itb it cleans it. Could this be in the k drum? Ive seen smudging before in 5001 and it was the k unit,,, the k unit has 90k on it supposed to go 300k
any help thanks total on the machine is 202k
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[anothertech]

Re: MPC5502 SMUDGES

Looks like the paper is buckling as it's going through the fuser and then dragging on something, try speeding up the fuser motor a little bit.

[Lagonda]

Re: MPC5502 SMUDGES

Old problem, the lube inside the fuser sleeve has dried out and doesn't revolve a the correct speed causing the paper to buckle and hit the fuser feed in guide. You'll find it only happens on the first few copies then whats left of the lube warms up and the sleeve then turns a bit faster. For confirmation check the amount of unfused toner thats built up on the guide.
The only fix is a new sleeve assembly.

[digicor]

Re: MPC5502 SMUDGES

there was a LOT of toner buildup on the fuser guide i cleaned it off, but now that you say this it makes sense, thanks ill get the parts
and dont forget to save the nv ram for future sc5** issues there is a fuser code that sc5801 and 2 will not clear , you have re download the nv ram to fix

[Zeldaman]

Re: MPC5502 SMUDGES

Hi there!
If the problems occur again (after changing the sleeve-roller) then the fusingdrive-motor is bad. (there is a RTB for this problem).
Greetings...

[Dusmccor]

Re: MPC5502 SMUDGES

We have also seen these type problems and (on a few) had to change fuser exit motor speed because a new sleeve didn't totally fix. I found this in a global knowledgebase post:


Change the value of SP1-801-072 (Fusing: High) from -0.6% to -0.1%