Question about Canon PIXMA MP780 All-In-One InkJet Printer
Hi, saw your response to someone else about the printer cartidge.
My problem is this.. I've been using my printer for quite a while and have changed my ink cartridges many many times.
My printer says I need to change my ink. I have new ink, but the carriage is stuck this time. I have a fax in memory and can't print it. I don't want to force the carriage.. so what do I do?
SOURCE: Printer Problem
This did NOT solved my flashing led (15 times) also magneta led is off and when i re-install the cartridge its just a second on, and the flashing led is back 15x !! it driving me nuts..
How do you got this solved?
1) With the printer power turned off, while pressing
the Resume/Cancel button, press and hold the Power
button. (DO NOT release the buttons. The Power LED
lights in green to indicate that a function is
2) While holding the Power button, release the
resume/Cancel button. (DO NOT release the Power
3) While holding the Power button, press the
Resume/Cancel button 2 times, and then release both
the Power and Resume/Cancel buttons. (Each time the
Resume/Cancel button is pressed, the Alarm and
LEDs light alternately, Alarm in orange and Power
green, starting with Alarm LED.)
4) When the Power LED lights in green, press the
Resume/Cancel button the specified number of
setting) (THEN HIT THE POWER BUTTON >AFTER THIS< TO SET).
Time(s) LED indication Function Remarks
0 times Green (Power) Power off When the print head is
not installed, the carriage returns and locks in the
home position capped.
1 time Orange (Alarm) Service test print .
2 times Green (Power) EEPROM information print
3 times Orange (Alarm) EEPROM initialization
4 times Green (Power) Waste ink counter resetting<<<<<<<<<<<<
5 times Orange (Alarm) Destination settings After
entering the destination settings mode, press the
Resume/Cancel button the specified number of time(s)
to select the destination. For detail, see
"Destination settings procedures" below.
6 times Green (Power) Print head deep cleaning
(Cleaning of both black and color)
7 times Orange (Alarm) Reserved
8 times Green (Power) CD / DVD check pattern
9 times Orange (Alarm) CD / DVD print position
correction (horizontal: X direction)
10 times Green (Power) CD / DVD print position
correction (vertical: Y direction)
11 to 13 times Orange, Green, Orange(Alarm,
Power,Alarm) Return to the menu selection
14 times Green (Power) Left margin correction Not used
15 times Orange (Alarm) Return to the menu selection
Time(s) LED indication Destination CD / DVD print
0 times Green (Power) No change of the destination
1 time Orange (Alarm) Japan Supported
2 times Green (Power) Korea Not supported
3 times Orange (Alarm) US Not supported
4 times Green (Power) Europe Supported
5 times Orange (Alarm) Australia Supported
Posted on Dec 28, 2007
Your problem is the print head. You can buy one from Canon for about $95, or find them new from dealers on Ebay for $60 to $70. For a less expensive fix, try to remove the print head and clean it. (You don't need any tools, just remove the ink tanks and pull the print head forward and out. Over time, the receivers tend to get dry & crusted ink on them. Note that the inks used are fast drying inks to keep your pictures, etc. from smudging after you print them. Try not to use solvent. I use q-tips and hot water, then dry using another q-tip. If this does not work, there are commercial cleaning kits available for about $10. Short of that, your choice is to replace the print head or the printer itself. My i960 prints such good quality color prints and normal color printing, that I would fix it rather than replace the printer. I hope the easy cleaning does it for you!
Posted on Mar 07, 2009
microsoft logo is in colour and so its printing while everything else on test page is black so its not printing. the problem is common.you need to do automatic deep cleaning for the ink flow to start once you install new cartridges.go to printer maintanance option and click the option deep cleaning .it will pull out the ink in printer head and it will start working.sometimes also requires cleaning twice. thanks and do not forget to accept the solution.
Posted on Apr 03, 2009
YOU CAN TRY PULLING THE CARTRIDGE OUT AND WITH A CLEAN , VERY SOFT CLOTH , CLEAN THE HEAD GENTLY ....SOME CARTRIDGES ARE JUST FAULTY ....HAVE YOU TRIED RETURNING IT OR GOING TO CANON SITE AND TROUBLESHOOTING ?
Posted on Jun 02, 2009
I had the same problem with my printer. There is a switch that tells the printer that the cover is open or closed. Unplug the printer. Open up the printer cover and look on the inside right side edge. About half way back, you'll see a 3/4 inch by 1/2 inch hole where this switch resides. If you put your finger into it, you may be able to push on a lever and it will go down. It should spring back up when you pull your finger out. If you can feel the lever but it just sits at the bottom then there either this lever is broken or the spring fell off.
The problem with my printer was the spring had popped out. To access the switch, you'll need to remove the right side cover. Do this by removing the two screws in the back on the right side. Open the printer cover and find the third screw. It is located on the right hand side, near the front of the printer, on the top. Remove this screw and pop out the cover and see if you can find the spring that is attached to the lever. Make sure you do this in an area that if a small piece fell out you could find it.
Look at the switch and lever. If there is no spring attached to the lever then it is most likely the problem, otherwise the switch may be bad or the electronics inside the printer. There is a hook on the lever and one on the printer. Reconnect the spring and it should fix the problem. I found my spring had completely fallen out and fell on the floor when the cover was opened. It is possible that this spring if fallen out can fall back inside the printer so you may have to shake the printer to find this little spring. It is about 1/2 inch long. Hope this helps.
Posted on Sep 10, 2009
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