Question about Canon PIXMA MP780 All-In-One InkJet Printer

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Paper jam indicated but I opened the back and can't see any paper

Also it says load paper so I put in more paper and tried to copy but it atempts but nothing happens.

Previous to this paper came out unprinted after computer order to print.

Previous to that ink BCI 68 K black indicated it was low so I replaced with new however the indicater still shows low

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Sometimes while clearing the jam (if there was one) you may leave a bit of paper left behind which obscures a sensor causing it to think there is paper still in the paper path, or sometimes even paper dust can do it. Try a bottle of compressed air and blow the path out very well. Get a bright light (good flashlight) and very throroughly eyeball the paper path for any "foreign" objects. Most of the sensors are either a microswitch, or more commonly a light sensor (LED and photocell) which can easily become obscured or dirty with even a tiny bit of crud! also reload the printer drivers as the printer is not beem able to read that new cartridge has been installed. and dont just directly install the cartridge .install it through a procedure.as mentioned in the printer properties .---ink cartridge replacement option----- as canon printers do very much drama to detect some cartridges and sometime just works fine.

Posted on Nov 23, 2008

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? Printing All Unprinted Documents in Memory
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