arm-450 paper jams in tray.

[DINGO]

Hi


The copiers are always a box of surprises,

and every day appears a problem that gives cable head.
I walk this week turns of two ar-m450 that when the paper is running low on
the trays , the copier get jams, because get (take out)the last four or five sheets of paper
that are in the tray.?
It happens in all trays, of corse i already change all feed, separation, and pickup rolers and
the paper was good and was to in good condition.

Anybody now a particular adjust for minimize this issue.

good night,, thanks.

[OMD-227]

Whats the jam codes Dingo?

[DINGO]

[blackcat4866]

If wazza is anything like me, all jam records are referenced by jam code, not by paper position or anything else. Again, what jam codes? =^..^=

[OMD-227]

I only aim to be like you Grand Master Blackcat.... creator of all that is good and pure.

[DINGO]

thanks

Thank you, tomorrow I see codes

[blackcat4866]

Huh? Grand Master Blackcat?

I'm just a guy with a searchable database. The memory retention gave out years ago.
And no, I'm not posting the database. A man's gotta have some secrets. =^..^=

[OMD-227]

I too have a full searchable secured database at my disposal. As I help look after a few other techs in the color/production dept, I need the memory firing on all cylinders. Thats why I drink so much damn coffee.
The Grand Prix is in town at the moment, so the screaming F1 cars are definitely helping with alertness.

And yes.... you are the Grand Master. One day we'll all have your years of experience.

[DINGO]

[blackcat4866]

If you increased the pressure to the separation roller you may have created this problem for yourself. I know that it sounds counter-intuitive, but to increase the separation you must decrease the spring pressure on the separation roller. If you want the paper to separate better you need to install a weaker spring.

I've never seen it on a Tiger, but you may have a bad separation torque limiter.

There is another possibility. I had a customer running cardstock from tray #1 (generally not such a good idea), and it jammed a lot (not much surprise there). While the customer was removing one of the jams they broke the swivel point for the separation assembly. It's easy enough to see it. Remove the tray, and see if the separation is moving properly by hand. It's just extremely difficult to get to the separation assembly to replace it. The engine must be removed, the drum, developer, toner, etc. removed, and the engine flipped upside-down to get to the separation lever. It's not much fun to do. =^..^=

[DINGO]

thanks

Hi Blackat

First, thanks for your patience, for understand my poor english.
Realy the issue was in the adjust of spring separator roller, and tomorrow
i go replace it.

But y don't now wat you mean with "swivel point for the separation assembly".

I think that the separator paper sheets is do only by the separator roller?

thanks

[blackcat4866]

Free Translation and Professional Translation Services from SDL

[DINGO]

RE

hi

Blackat the issue was fix, i replace the spring and now was ok.
Thanks very , very very much for your help.

my best regards

[repn1999]

I would suggest replacing the tray lift motor(s). Over time the shaft becomes twisted and lifts the paper to not quite the right height. Eventually this will cause the paper to jam when you get the tray almost run out of paper. Sharp made some changes to the plastic the motor units are made of to prevent this. There is a service bulletin about it. I have seen this before and the fix has always been the same. Id bet money this is your fix. Another thing you might check is your torque limiters. They crack sometime and cause jams. Just something else to check. Hope it helps.

[OMD-227]

Even if the lift motor has a slight twist in the shaft, it will still lift to the ready position, as that is judged by the PE sensor. The lift motor shaft twist causes the tray not to lift at all, as the coupling is stuck and not interlocking with the tray.