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

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Not getting any black copies

The copier seems to be working only with colored copies. When i copy in black and white i am not getting any prints whatsoever. Also the ink cartridges are full so i am wondering what the problem is.

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

old marine
  • 1973 Answers

SOURCE: giving the error e 2,3

Go to this link. Type "error e 2 3" in the search window and click the Search button. Try the troubleshooting steps provided. If the error still persists, you may need to have the machine serviced.

Posted on Apr 30, 2008

SOURCE: Blank copies

I've tried everything before for months... unplugging, new cartridges, servicing, etc. I've always avoided jarring an electronic item, but hitting the front fixed it! A couple of open-palmed smacks above the paper drawer, and it printed this very page. Apparently, sometimes the cover over the laser sticks shut after replacing the print cartridge, or removing a paper jam. Sounds crazy, but smack it!

Posted on Jun 16, 2008

  • 1 Answer

SOURCE: won't print with just black ink cartridge

A part solution is print/properties/maintenance/ink cartridge settings/select black only.

You do initially have to buy another color cartridge but you won'thave to buy another expensive color cartridge again in the future.

I

Posted on Jan 12, 2009

old marine
  • 1973 Answers

SOURCE: This Canon MP530 will print a nozzle check with no

On your nozzle check, do you see the grid at the top (indicated by red arrow in picture below)? If you don't see this, your pigment black nozzles aren't working. The black bar at the bottom is from the dye black nozzles (small black tank). You may have either plugged nozzles or a bad print head.


a121ced.jpg

Posted on Mar 03, 2010

CW Oly
  • 240 Answers

SOURCE: ink absorber is full

Waste ink is full. The printer needs servicing. Can be done yourself, though EXTREMELY MESSY! And you'll need to find how to reset the counter, or just look here:

http://www.fixya.com/support/t1987764-canon_mx310_wase_ink_full_any_ideas

The waste ink pad is a huge and dirty job. It requires nearly full disassembly of the machine and full washing and drying of the waste ink pads. Resetting the counter without cleaning the pads will result in waste ink overflowing out of your printer and on to what ever the printer is on. As for printer disassembly, service manuals are not generally available for consumer grade machines, which means you're on your own. Having torn down many machine's myself I can tell you it takes time, patience and a good memory. Take good note of where everything came from and how it goes back together.

Posted on Apr 02, 2010

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HP uses a system for black that prints a base ie: Cyan / *blue then overprints it with black...

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Error 9-363


NOTE: The problem occurs because of the trickle development system in the machine, making extended lengths of black and white copies / prints does not allow the black developer housing to purge itself of excess waste Toner (Dry Ink) and Developer. There are two solutions for the problem:
  • Make 1,000 copies / prints of a black and white job, then make 150 copies / prints of full color. Continue making 1,000 copies / prints of the black and white job, then 150 full color, and so on, until the entire black and white job is complete.
  • Make extended jobs in groups of 100 by making 100 copies / prints of the black and white job, then allowing the machine to cycle down (return to 'Ready') and making the next 100 copies / prints. Continue in this pattern until the entire black and white job is complete.
NOTE: The above solutions are based on jobs using 8.5 x 11 inch paper, single sided, with no more than 28% coverage.

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