Had some paper jams in the fuser unit - cleared these. first copy came out ok, then subsequent copies stop just as the paper comes out of the copier.
I guess there is a switch somewhere that is raising a problem - any idea how to find it?
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Re: paper stopping but not really a jam
I am assuming you have checked the paper feeder traying isn't part feeding?
Check the internal unit closest to the toner drum, sorry this is not specific advise for the Minolta fuser unit. You are looking for a lever that slides out revealing the paper it has collected from internal jams - Usually the lever is to the side just above or below the toner unit.
If this doesn't work check the paper loading tray(s)
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Most likely a common problem of a broken fuser drive gear. This is especially true if the lead edge of the paper is stopping at the fuser assembly. This is the assembly that is hot to the touch. There is a upper fuser roller drive gear that breaks on these and causes the fuser roller to stop turning. So everytime the paper gets to the rollers it stops and a jam reults. The gear is 16.00 at precisionroller.com part number M510X
Here is a picture of the gear.
THe main problems are toner spill form drom/dev units ..the transfer on the right hand door will have to be emptied every few months. the paper tray paper stops need to be checked as they come out of place and cause paper jams if not set in place..cahrge rollers can be troublesome if not cleaned every coulple of months and may cause dirty image at the sides or lines on copies..dust on laser **** glass can cause faint on sides of copies.. the fuser stripper fingers tat guide the paper need to be checked for toner under the points to stop paper jams in fuser and the lower guide plate entrance to the fuser needs to be cleaned off every now and then to stop crinklin of paper...apart from that good machine
It could be a few different reasons the printer is jamming.
The pickup rollers could be worn;
There could be an obstruction in the paper path
the fuser could be bad
It all depends really on where the unit is jamming (Ie where you have to take the paper out from)
If the copier starts to work, and then gets an error but no paper travels into the unit the pickup rollers are the likely culprit.
If the paper stops somewhere in the middle of the copier, then an obstruction within the paper path must exist or some other internal failure.
IF the paper jams at or in the fuser then yes the fuser is the problem.
Hopefully this helps and feel free to add another comment with more info or questions :)
The grinding noise is the clashing of gears. The fuser is composed of 2 rollers, a metal or ceramic with a heater inside (bulb) and a silicon roller to apply pressure. The 'hot' roller is geared and the silicon roller can be geared or free floating. There is at least 1 paper sensor in the the fuser to let the unit know whether paper is there and there when it should or should not be. Sometimes, the sensor gets slightly dislodged and can actually cause a jam. If you are hearing a gear clash, the paper is being pushed through the machine and instead of being pushed through the fuser, it stops because the fuser rollers are not turning. The rest of the machine keeps pushing, crinkling the paper. If there is crinkling, then gears that drive the fuser need to be checked. It is this gear cluster and/or the fuser that need to be replaced.
1-you need to determine if the two are part of the same problem
If the jamming occured first with no signs of copy quality issues then, it depends on where it's jamming. Locate the 1st jammed paper, the one that is furthest towards the exit. this stops all other paper after it. for example if there are papers in the fuser -by the drum and coming out if the tray the problem is most likely in the fuser area. Are the papers being crumbled? or just stop at that location?
2-the half dark copies could be a couple of things
a) the seperation unit is going bad and making the copies rise up against the drum
b)does the lamp that come on to scan the original stay on the whole lenght of the paper or does it turn off half way down the page? if yes the cable that connects to the lamp is probably broken and not making contact at the half way point as it is scanning.
This sounds like you may have a bad jam detect sensor, there is a sensor on the exit end of the fuser on the right and the flag for this is located in the middle of the exit guide on the fuser this gives us most of those types of jams.
I had almost the same problem but the problem that I had was that after running 5 or more copies it would show a jam with no paper anywhere. And the only way to clear the jam was shutting the machine off and turing it back on.
What I found out was that the gate (flag) on the fuser unit was heating up and the gate (flag) was sticking a bit. (Plastic that close to the fuser isn't the best design)
Anyway, the only way to resolve this problem was replacing the fuser that had a new gate (flag) already installed.
You can replace the flag by itself also.
The way to see if your machine has the same problem, is if you get a jam and you open the right side door, push the black gate and see if it moves a little bit. If it was stuck then your machine is doing the same as mine was.
Hope this helps.
pull out the cartridge and look for paper inside, re-install cartridge, also look on the back part where the fuser and exit assembly is look for paper jammed. also make sure the paper is set correctly on the tray.