MX-5500 Vertical lines

[Ditchman]

Hi guys just wondring has anyone seen these type of vertical lines before?

Advice appreciated, happening on copies and prints, they are intermittent and occur in random positions.

Thanks

[brewster67]

The lines look they are from the drum units.
I would also check the primary transfer belt.
On this model I also check the fuser pressure levers. If they are left up it will give you marks and smears on the prints.
Hope this helps.

[Akitu]

What's the current copy count on this machine? I've seen lines like this on many colour models as a result of the transfer belt being worn out.

[mojorolla]

I agree that it looks like the transfer belt. Either the belt itself, or the belt cleaner. Under magnification, I can see cyan and magenta streaks not to mention the density is really bad. You could open a door and stop the machine before the page hits the fuser. If it has the streaks, you can eliminate the fuser as the cause.

[travi]

Check the main charge screen grids. They corrode and turn green over time. Sharp recommends cleaning them with water. But we find that it just comes back so we change them. This is really prevalent on low volume machines.

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[Lawrence]

Im with the guys about the belt.

Ive seen weird stuff like that once on a MX5500. The belt was desintigrating and the crap from the belt was getting caught on the rollers inside the belt causing bumps in the belt and then the cleaning blade would jitter.

Pull the belt off and check to see that the roller on the left side is clean that the belt rides on and the cleaning blade rubs against.

[Ditchman]

Thanks for all your advice guys, it was indeed the transfer belt, strange lines to be honest i will refurbish and see how it goees

Thanks again