White Lines over Black Colour?

SOURCE: no setting for black and white printing only

The setting isn't on your printer, its in windows.

The next time you print, instead of just clicking "Ok" to send the document to the printer, click "properties." this will look different depending on your OS and whether or not you have printer software installed so I can't give you step by steps but there should be an option here to either set the printing defaults to greyscale or just a straight up black/white dropdown/checkbox. save that as default and you are done.

SOURCE: Photo's print with lines through them

Useually if your printing has lines through it it means that the head (where the ink comes out ) is had it & your up for another head. Sorry but useally big bucks I hope it's still under warranty

SOURCE: while printing photos my printer has white vertical lines

Sounds like you need to re-align the print cartridge . The reason the text comes out ok is probably because it is only using the black cartridge for text. The color cartridge is the one that's out of alignment. You may have some sort of Cannon utility running in the task bar that will allow you to easily allign the print cartridges. If not, go to the main "Printers and Faxes" window, RIGHT-click on the printer and select "Properties". You should be able to find a button in the properties that's labeled something like re-align print cartridges. It will print out a series of test pages and ask you to select the set of lines that looks the straightest and type it in. It's a good idea to do this every time you replace a cartrige. Hope this helps, If I was able to FixYa, please remember to rate me. Thanks.

SOURCE: Faint & White Lines in Printer Head Alignment

This sounds like you are using either a refilled cartridge or an after market cartridge and the ink is clogging the print nozzle. To clear the problem you need to insert an OEM cartridge, run the deep nozzle cleaning utiliity, alignment utility. This should clear up the problem with the spotty printout.
Let me know if this solves your problem otherwise we can explore other solutiions.
Please rate this solution. Thanks.

Testimonial: "Thanks!Changed black ink & did deep cleaning & it prints like normal.However,print head alignment & nozzle check black boxes are still faint & fuzzy"

SOURCE: Canon Pixma MP630 not printing all colours

Colour not printing. Check vent hole on cartridge not blocked by glue or bit of the orange tape, cleared mine with knife now works fine