[Jamming] C3350 J3205

[tech51]

Hi all,

I`m having a nightmare with a c3350 that intermittently jams with paper just exiting the fuser (about 30mm out) and causing a J3205 code.

According to the customer the machine makes a noise, then jams.

I was at the machine yesterday and ran over 1000 prints and it didn't jam once, 20 minutes after I left, the customer called it in again.

Parts replaced so far include the conveyance assembly, fuser and the exit guide & actuator.

Has anyone experienced this before?

Thanks in advance..

[TheBlueOrleans]

Re: C3350 J3205

I have to wonder if their jam is caused by either a duplex failure (I've come across programs that automatically set printing to duplex for "cost savings") or if they're attempting to print to a different paper size than the machine knows it has.

Never underestimate the power of User Error.

[TheBlueOrleans]

Re: C3350 J3205

One other suggestion:
Have the user(s) make the next thousand prints while you observe. They could be changing something and denying it when you ask (or are unaware completely that they are changing something).

Keep us posted. I'm interested to hear what this ends up being.

[tech51]

Re: C3350 J3205

Planning on sitting on this call for a good long time when I go back.

Something doesn't sit well with me on this one because when I rang them to say I would be coming back, another issue has cropped up.

Apparently if it jams at say page 6 of a 10 page run, after re-setting the jam it will start over from page 1 again!

I cant say I've ever had a printer do this but who knows what's going on with it?

Something is definitely wrong somewhere but I cant quite nail this one down.

[TheBlueOrleans]

Re: C3350 J3205

Planning on sitting on this call for a good long time when I go back.

Something doesn't sit well with me on this one because when I rang them to say I would be coming back, another issue has cropped up.

Apparently if it jams at say page 6 of a 10 page run, after re-setting the jam it will start over from page 1 again!

I cant say I've ever had a printer do this but who knows what's going on with it?

Something is definitely wrong somewhere but I cant quite nail this one down.

So...
any updates?
inquiring minds want to know.

[tech51]

Re: C3350 J3205

So...
any updates?
inquiring minds want to know.

Apologies for the late reply but I wanted the machine to run for a while before posting the fix just so I could be sure I wasn't giving out bad advice!

It turned out that the part of the exit actuater that blocks the sensor was very slightly warped and would occasionally get stuck on top of the sensor rather than fall in and block the sensor when the paper passed through.

I only saw it happen twice when I went back but it was just enough to give me a clue.

Why it didn't do this the first time I went I don't know but after replacing the actuater it ran fine and as I said has done so for a week now.

Sometimes the simplest thing can give the most trouble.

Anyway I hope my experience can help someone in the future......

[TheBlueOrleans]

Re: C3350 J3205

Guesses:
1. the sensor actuator was not well made, thus being susceptible to warping.
2. heat from the fusing unit caused the warping of the sensor actuator, and if that's the case, get a fusing unit ready for replacing because there will soon be a High-Temperature thermistor error that will not go away without replacing the fusing unit.
3. user manipulation either during jam clearing or random tinkering (or sabotage).

Never underestimate the power of user error. I had PHYSICIANS using MEDICAL INSTRUMENTS performing SURGERY on a printer trying to clear a jam, they broke a sensor actuator in half and then fled the scene. "Far Casses" is the closest thing I can come up with to describe them without actually using the words I was thinking. Had to rebuild the tray 1 assembly due to their damage, in addition to replacing the actuator in the transport area.

[fredr]

Re: C3350 J3205

Guesses:
1. the sensor actuator was not well made, thus being susceptible to warping.
2. heat from the fusing unit caused the warping of the sensor actuator, and if that's the case, get a fusing unit ready for replacing because there will soon be a High-Temperature thermistor error that will not go away without replacing the fusing unit.
3. user manipulation either during jam clearing or random tinkering (or sabotage).

Never underestimate the power of user error. I had PHYSICIANS using MEDICAL INSTRUMENTS performing SURGERY on a printer trying to clear a jam, they broke a sensor actuator in half and then fled the scene. "Far Casses" is the closest thing I can come up with to describe them without actually using the words I was thinking. Had to rebuild the tray 1 assembly due to their damage, in addition to replacing the actuator in the transport area.

The issue is fuser lubricate the Teflon with silicon oil then adjust the duplex spring on the eject as well as actuator spring on the eject

[RBucky]

Re: C3350 J3205

The issue is fuser lubricate the Teflon with silicon oil then adjust the duplex spring on the eject as well as actuator spring on the eject

That's pretty much it. I take out the exit/duplex assembly, disassemble, then clean and re assemble. Activate it manually and you can tell how fast the gate responds. While it is in the printer, check the gate response. It that doesn't solve it. Replace the exit/duplex assembly.

[fredr]

Jam 32-05 in Konica c3350 or 4050i