[Jamming] Ricoh 2105 weird jam problem.

[unlimitedbt]

Hi guys, I have Ricoh 2105 that jams out of all trays, any size, not constantly. We have thrown brand new rollers in all trays and it did not help. It is pulling multiple sheets. Waching machine feeding looks like it feeds a sheet, takes one but sep. roller kicks second page back too far and then next feeding step takes several pages at once - it could take up to 4-5 sheets. Is there a speed of Sep roller adjustment or any other solutions please?
I had sprayed paper with antistatic spray to illuminate excess of static attraction - no real results
Thank you.

[ronald2020]

Hi have u tried changing the torque limiters on your trays have never worked on this model but I've had similar problems with paper feed caused by torque limiter.

All the best

[jonw]

Torque limiters are a good shout.But would not expect all trays to go down same time....Check registration sensor for paper dust have had really weird jams in the past with this

[unlimitedbt]

Yeas I have - I forgot to mention - torque limiters are new as well.

[Cipher]

Torque limiters are a good shout.But would not expect all trays to go down same time....Check registration sensor for paper dust have had really weird jams in the past with this

Yup agree, what does the SMC logging tell you?

[jonw]

The only other thing is iv'e had developer drop down on to the paper feed motor that also drives transport rollers up to reg.... from memory it's been a while.

[unlimitedbt]

Well it does not just show the jam - 100% definitely it does pull multiple sheets. Sometimes it goes trough and there are white clean sheets in the printed sets. It is not a sensor problem as I had mentioned before - I watched the machine feeding - problem is clear - as it takes top page separation kicks page #2 too far back so next pick-up cycle page#3 is up the leading edge with page#2 still on the top if it so separation mech. prevents page #4 from going in but not page 2...

[teebee1234]

Have you tried different paper with the same results? Also, there is a sep pressure adjustment you can try. On the sep shaft is a gear that can be slid back and forth to increase/decrease the pressure, might want to give that a shot.
There is also a firmware to address multifeeds, though I don't know if it would correct your issue
-----------------------------------------------------------
System firmware V2.12.7
1. Modified for use with Copy Connector Kit.
2. SC997/SC998 occurs with frequent use of New Job.
3. The Printer function is given priority when the Copier is set as the priority function.
4. Modified to further minimize multifeeds for certain paper types.
5. Paper is stacked in shift tray 2 when center stapling is disabled and the job resumed
following a center staple End condition.
------------------------------------------------------------------
Attached is also a tech bulletin for the 1105 that addresses block multifeeding, again maybe not quite the same issue but worth a check. It is same feed system so should correlate to the 2105.

[williekriss]

Did u check for the paper registration clutch?

[unlimitedbt]

Gentelman, yes - registration clutch is ok. The problem is 100% that multiple sheets - up to like 5-6 arriving in to registration at once. Yes we tried it with multiple brands - I just got 10 cases of Hammermill - made no difference at all - I hoped it would be at least better - nope

[ronald2020]

ok ok relax now let's go right to the start of the problem, did this problem start after you had changed the feed wheels or before? If you have another machine near by try swapping one complete feed station just to ascertain that it's not coming from probably the clutches on the feed station you'll have to do the process of elimination thoroughly.

[teebee1234]

Gentelman, yes - registration clutch is ok. The problem is 100% that multiple sheets - up to like 5-6 arriving in to registration at once. Yes we tried it with multiple brands - I just got 10 cases of Hammermill - made no difference at all - I hoped it would be at least better - nope

If you're getting 5-6 at a time, then that's considered block feeding. In that case definitely look at the tech bulletin I posted, adjusting the sep pressure is one possible fix for block feeding (though it's unusual that all the feeds are doing it).

[dalesamuels]

Hey man, can you tell me what the jam code is?go into sp7 (data log) plotter jam history, latest jam codes. Did you scotchbrite the feed shafts? make sure bypass feed rollers weren't used because the one-way bearing goes in the opposite direction. If you can get me the jam code. good luck

[unlimitedbt]

Its killing me slowly. I have checked the one-way bearings - they rotate free / grab the shaft in proper direction - it was one of my first ideas, but I don't have second machine to swap the units. I had ordered shaft that feed roller sits on (was like $70 - wow) but haven't changed it as I am being lost which tray to start with. Sep roller has no one-way bearing - it is hardwired via torque limiter, which is new as well. Oh and lately I've got light gray background on edges weed-vise on both sides and changing drum, developer, transport belt, blades, main charge wire/grid did not help at all. I am ready to toss it out of the door and get MP-9000. The only 2 problems with that is installation of so many new parts and I really would love to get MP1100 or higher. I am trying to print 2500 double sided 11x17 and machine won't let me step aside for few min.

[unlimitedbt]

Jam code 073