Question about Canon PIXMA MX310 All-In-One Printer
Please be more specific...ie. where is the sensor lever? what does it look like? how do I know if it is damaged or broken off? what are some ways of finding small bits of paper if they are unfindable?
Posted on Jul 23, 2008
If it is an HP OfficeJet Printer / especially with a "rear duplexer" then ensure there are no shards of paper in the gears that power the rear duplexer.
There is an image and instructions on how to do this at a product review of the HP 7780 at Amazon.com, these instructions apply to any HP Officejet 7000 series:
The OfficeJets use plastic gears for all of their paper feed functions and they are notoriously underpowered, what can happen is when the feed mechanism has an actual jam, those gears are strong enough to chew up the paper and the shards foul it up.
As owners and users who are accustomed to working with much larger printers from Xerox, we are also conditioned to look for jammed sheets of paper instead of something smaller than a fingernail jamming up a gear.
Posted on Jul 10, 2008
If your printer has a gwaranty, please call to HP. If not you can open upper plastic part of printer and unscrew up side. The sensor there is on the left side.
Posted on May 29, 2008
MCPP2, i opened my lexmark p6250 completely, took everything out of the printer and i'm still getting the same message CLEAR PAPER JAM
Posted on May 15, 2008
Probably not a great idea but didnt know what to do when paper jam light stayed on. Eventually I switched off and when it came back on I held the new paper for fraction of a second deliberately causing a jam. It worked yippee.
Posted on Aug 15, 2008
I encountered same error message from MP500. I examined printer carefully and SWORE there was no paper anywhere in the device. Gave it a better examination with excellent lighting and sure enough, 2 index cards were wedged deep in the printer. Managed to finger-roll the rubber rollers to advance them to a position where they could be removed. Apparently the printer really DOES know what it's talking about when it indicates a paper jam. I was stunned to find those cards, a paper size I hadn't used in months. Recommendation = take a really thorough second look.
Posted on Jun 07, 2008
Providing the printer brand and model can help zeroing on the problem but paper jam error that won't go away usually mean that the sensor lever got stucked. With the printer unplug, check the paper path. A small piece of paper may have torn and got stuck in the sensor lever. In rare occasion, the sensor itself is damaged or broken off.
Posted on Apr 06, 2008
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Posted on Jan 02, 2017
This is a notorious problem of the HP 7000 OfficeJet series, the last place we often look are the actual gears which feed the paper.
If you can't or wont' return the printer to the dealer or service center, then be prepared to follow the paper feed and using a pair of needle nose pliers, see how easily every feed roller turns by using the pliers and gripping the rubber wheels and rotating them in the direction of the paper feed
Any of the rollers that turn reluctantly or require excessive force have likely become jammed with paper shards in their gears and using a flashlight, look for any slivers or pieces of paper in the gear teeth.
Since the HP's are underpowered, all it takes is a paper sliver barely thicker than a few strands of hair to foul up the mechanism which appears to be as large as jammed **** to the printer sensors which is why you're recieving the Paper Jam warning despite the fact you've cleaned very visible sheet from the device.
Use any sharp instrument to clean those shards from the gears and close the lids to see if your Paper Jam errors have been cleared.
My company has hundreds of satellite offices and this is the most common issue since a paper jam is hard to clear in these devices, people often have to just rip the paper out backwards and it those "shrapnels of paper" that end up fouling the mechanisms.
An example of how to clear these gears is at an Amazon product review found here:
Posted on Jul 10, 2008
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