There is a nasty grinding/slipping sound from the drive up to my fuser.
I get the impression that the fuser roller is very stiff and the drive train is struggling and slipping sprockets every so often.
I have tried lubricating what I can see of the fuser roller with little effect.
Is it possible to disassemble the fuser and lubricate it?
Shortly after I poseted the problem. I went back and "tricked" the top cover switch into thinking the top cover was closed by pressing the cover sensor with a pen and then tried printing a page. I noticed that the grinding was happening as the printer was spinning the black toner cartridge. By replacing the cartridge this stopped the noise. It could very well have been any of the cartridges, so you may need to do some trial and error.
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what is stiff (add a noun here)
clutch pedal stiff
shifter lever stiff.
grinds , a bad clutch will make the lever seem stiff or will grind, if forced.
gears balk? same as stiff.
false neutrals. (slips , gear not engaging)
Any time I hear that complaint I cringe. Not because of the noise but what it might be telling me. I usually hear that noise as the hot roller bushings &/or the main gear that drives the fuser is cracking or already cracked and is ready to fail. This causes the roller to bind up hence, the grinding noise. Sometimes a drum can seize and that will also make that sound but if you're able to print OK that is probably not the issue.
If you are getting jams in the fuser, then there may be paper stuck in there, or the roller sleeve is damaged or the drive gear could be bad. You are going to have to take the rear cover off to look at the fuser. Someone trained is going to have to remove the fuser to inspect it.
You need to check a number of areas, but first try to determine where the noise is coming from...
1) First, where is it jamming...If under the cartridge, the cartridge drum may be too tight. If you have another or an old one (even if empty) try switching it out.
2) If the sound is coming from the front, your manual feed rollers (front) or main paper tray pickup rollers or gears (below) may be slipping.
3) If the sound is coming from the rear, check the fuser gears. It will have a main, big gear that meshes with the big drive gear (swing gear) inside the printer. The fuser is the accessed by removing the rear cover. The fuser can be very hot, as its job is to fuse the toner to the paper just before it exits into the bin. Let it cool off, then remove, inspect the gears for wear, re-seat it and test print--listening again to see if the sound is still there or gone.
4) If the sound is coming from the top rollers where the paper exits, check the gears that drive these rollers for wear and/or skipping teeth.
One of these will be the culprit. The hardest part is isolating the source of the sound.
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.
Not too good news I'm afraid. It sound like the fuser gear has failed. Generally the fuser unit (hot section or hot rollers in the back) need to be replaced. Usually when the gear has worn or failed the fuser rollers are also worn and need to be replaced. The gear can be replaced seperately but is a very risky operation and usually results in parts in the fuser unit falling appart due to age and wear, so it is best done as a unit. If possible do not run the machine as it can cause damage to gears around the fuser unit. The best option is to find out how much a fuser unit and labour to fit would be at your local service centre.
The clicking noise is created by flat spots on the fuser rollers. The flat spots on the rollers create a ?chatter? in the fuser gear drive train. This noise does not affect the performance of the printer and does not affect print quality.
All new fusers are shipped with restraints that keep the rollers separated during storage. If the fusers sit without the restraints installed for a period of time, flat spots can develop on the rollers which can result in a ?thumping? noise and will create a ?clicking? noise in the fuser gear drive train.
If a printer sits idle for long periods of time, flat spots can develop. If Power Saver is disabled and the printer sits idle for long periods of time while powered on, the flat spots will develop at an accelerated rate. The clicking noise is created by flat spots on the fuser rollers. The flat spots on the rollers create a ?chatter? in the fuser gear drive train. This noise does not affect the performance of the printer and does not affect print quality.To decrease the possibility of flat spots developing, set Power Saver to On with a Power Saver Timeout of 30 minutes To decrease the possibility of flat spots developing, set Power Saver to On with a Power Saver Timeout of 30 minutes. If a printer or fuser is not going to be used for an extended period of time or will be placed in storage for future use, re-insert the fuser restraints. The fuser restraints can be in place and the fuser installed in the printer