[Jamming] AR-M355N jam/misfeed when duplexing

[Guest]

Our AR-M355N consistently jams / misfeeds when duplexing, within the first 5 pages of just able every document. Simplex printing generally works fine. The tech that has looked at it says the problem is the paper we use.

I looked up the specs on this machine and they specifically list, "16-28 lb. plain bond paer. Other paper types include recycled, pre-printed, pre-punched, color, and letterhead." The label on our paper is Georgia-Pacific, GeoCycle High Performance Recycled Office Paper, Contents 30% Post-Consumer Recycled Fiber, 8-1/2 x 11" grain long, 20 lb. 10M.

If I'm understanding all the specs correctly, the paper and copier should be compatible. Before I start pursuing the service company, I'd like to make certain my understanding of the issue is correct. FWIW, I just checked and the A/C unit is reporting 44% RH for the room.

Any thoughts / help would be greatly appreciated.

[bilyahn]

Re: AR-M355N jam/misfeed when duplexing

Did the tech tell you what the jam code is? If it's AINPD-N and the paper is jamming just above the fuser (crumpled with 2 pieces of paper there) then it is the turnover assembly. Very common problem! It's possible it is the paper but there are other things that cause a lot of jamming issues in this series. Since it is only happening when duplexing that is the #1 cause of this problem, the turnover assembly.

Good luck.

Bil

[ScottH]

Re: AR-M355N jam/misfeed when duplexing

Thanks, Bill.

There is no code on the display, just the "mis-feed has occurred" error and the step by step instructions to clear the mis-feeds: Duplex cover, Left side cover, Paper tray, and Center cover. The only place paper is obviously crumpled is in the paper tray, but I suspect that's because when the unit stops, it's just picked up a piece of paper, so when I put the tray out, it's half in and half out of the tray.

Scott

[d.tyler45]

Re: AR-M355N jam/misfeed when duplexing

I work on other Sharp models and it sounds like it could be the turnover unit. Make them change that if it has a couple of years on it or 300k copies or more.

[igi]

Re: AR-M355N jam/misfeed when duplexing

Thanks, Bill.

There is no code on the display, just the "mis-feed has occurred" error and the step by step instructions to clear the mis-feeds: Duplex cover, Left side cover, Paper tray, and Center cover. The only place paper is obviously crumpled is in the paper tray, but I suspect that's because when the unit stops, it's just picked up a piece of paper, so when I put the tray out, it's half in and half out of the tray.

Scott

hi
Bill is correct with simulation you can accsess the jam code
that will help us all to identify the problem area
good luck

[ScottH]

Re: AR-M355N jam/misfeed when duplexing

I've entered simulation 14 - that does reset the unit, but still doesn't display what the original jam code was. I don't see where I can find the log, either through the console or admin web interface.

If I wasn't clear in my original post, we can clear the error by removing paper from all the internal locations as noted above - the problem is that it just jams again once the unit resumes printing.

Thank you again to everyone for their suggestions.

[bilyahn]

Re: AR-M355N jam/misfeed when duplexing

I've entered simulation 14 - that does reset the unit, but still doesn't display what the original jam code was. I don't see where I can find the log, either through the console or admin web interface.

If I wasn't clear in my original post, we can clear the error by removing paper from all the internal locations as noted above - the problem is that it just jams again once the unit resumes printing.

Thank you again to everyone for their suggestions.

Sim 22 sub 3 is the one that you want for jam code history or you can print out a sim 22 sub 6 which is all of your machines parameters. 22-3 should be all that you need though to give us a better idea of want is going on.

Bil

[ScottH]

Re: AR-M355N jam/misfeed when duplexing

Ah, thanks, Bill.

Most of the paper jam history are FPID_N.

Also, this unit is showing about 42,000 pages and about 8,000 on the duplexer.

Scott

[Dark Helmet]

Re: AR-M355N jam/misfeed when duplexing

Which finisher do you have on this machine. Is it on the right hand side or the big finisher on the left that rolls away from the machine? Do you get this jam only in duplex or also when sending jobs to the finisher?

When the jam happens do you hear a whining noise?

[ScottH]

Re: AR-M355N jam/misfeed when duplexing

It's the basic finisher on the right-hand side of the machine. We don't generally have jams when printing simplex.

Scott

[Dark Helmet]

Re: AR-M355N jam/misfeed when duplexing

Given your jam code and only happening in duplex copy it does not make sense. When that machine does duplex with the FN6 finisher the paper exits above ontop of the finisher for turn around totally bypassing the PID sensor. POD3 should be the sensor doing all the timing as it's the last sensor to handle turn around.

Hold down the "COPY" button just beside the touch screen and get the actual meter reading.

42,000 seems pretty low for a machine that old and that speed.

I would agree with the other guys saying your turn around unit is probably shot especially with the age of the copier. I would guess the rollers are dried out, especially the grey one on the right side of the turn around unit. The grease on the idler roller shafts also dries out and the rollers become hard to turn and cause friction as the paper is slid past instead of the rollers turning freely.

How long until this machine goes into sleep mode / pre heat? If the timers are maxed out that will also cause problems for the turn around unit as all of that excess heat warps the plastic and dries out rollers and grease.

[bilyahn]

Re: AR-M355N jam/misfeed when duplexing

I agree with Lawrence about the jam code. Have had some issues with the FPID jam (3 different causes)

1: cracked frame on the finisher bridge unit, unlikely if this has just started happening, unless you have recently moved or tried to move the machine

2: there is a small black gate that cycles when duplexing and we have had this break on one end (hard to tell until you take it apart)

3: the solenoid the drives the black gate is out of adjustment (tech bulletin about this one).

I would watch the black gate and how far the paper exits past this gate to see what may be the problem. If it is the turnover assembly the paper will not come all of the way (about 5") and if it is the gate it may not move or may not move propelry.

A couple of things to look at anyway. Have you tried different paper? When we suggest that it may be the paper we normally bring a ream of our generic copy paper (Costco or Office Depot brand) for you to try out to see if there is a difference. Are you using recycled paper?

Good luck.

Bil

[ScottH]

Re: AR-M355N jam/misfeed when duplexing

Lawrence and Bill,

Thank you for all the good information and advice. Here are some of the items that were asked about:

Total count from the control panel: 00,042,528
Auto-off timer: 90 minutes
Pre-heat mode timer: 60 minutes.


Bill, would you happen to have the service bulletin number you mentioned? Also, how easy / difficult is it the observe the gate you mentioned?

Finally, the service company has brought out other, non-recycled paper and duplexing seems to work fine. That's part of what's frustrating.

Thanks again for everyone's help,

Scott