Canon PIXMA MP750 overview

Number of problems: 23

Number of solved problems: 5

Number of unsolved problems: 18

Problem resolution: 22%

Compared to other :

Canon PIXMA MP750 : Likelihood of getting a solution

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Ranking: 96th out of 413
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Least likely to get a solution:
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Common problems with the Canon PIXMA MP750


Solutions for the Canon PIXMA MP750
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Problem: Waste Ink Tank Almost Full

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Solution 1: You can reset the waste ink tank counter yourself. Be aware that this doesn't actually empty the waste ink tank itself (a little felt pad deep inside your printer), but it does allow you to continue printing.

1: Power off printer
2: Hold Resume button then press and hold POWER, the beeper will sound once.
3: Hold POWER and release RESUME
4: Press RESUME twice, then release all buttons
5: When the indicator lights steady, press RESUME three or four times. The indicator should be orange.
6: Press Power to set data

To actually drain the waste ink tank, you'll need to take your printer to pieces and find, clean, wash and dry the felt pads found in the base of the printer. This is a complicated procedure, but it is a good idea to do it if you're technically minded. Many people have just reset the code without actually draining the pads and very few have run into problems as a result. If you do this, you risk damaging your printer and/or the surface it sits on if the pads absorb too much ink. However, if you're going to buy a new printer anyway, you might just reset the code and stand it on a piece of paper or card. It's up to you, just understand the risks.

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Problem: Prints are coming out too dark

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Solution 1: This is a common issue that is largely down to personal taste. The only real way to improve (i.e. lighten) your prints is to first lighten them using a piece of photo editing software. A good choice would be Adobe Photoshop elements, but there are free alternatives. Do a google search for "Free Photo Editing Software" (there should be a google search box on this page near the top).
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Problem: Very low print quality

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Solution 1: There are a number of steps you can take to solve this problem (in order of easiest & least expensive first).

1. Make sure you have tried printing a nozzle check and you've carried out all the maintenance tasks that the manual alows (align print head, clean print head etc).
2. Your cartridge may be faulty. Ink cartridges that use non-genuine ink are of variable quality and you use them at your own risk. Even genuine cartridges can expire if used after the expiry date. Bad ink can clog your nozzle. It may be that you have a dried-out ink cartridge - try another one if you have one handy.
3. The print head may need cleaning. There are Canon print head cleaning kits available (use Google top right) or you could try doing this yourself - some people have had success immersing the print head (not the cartridge) in cleaning alcohol, warm water or using compressed air to gently blow through the nozzles.
4. Buy a new print head. Check the prices before you do this as (a) you may be throwing good money after bad, and (b) the price of a new printer may be the same as a new print head. Again, use Google (top right of this page) to search for these if you wish.
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Problem: Genuine original Canon vs Compatible & Refill Cartridges - which should I use?

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Solution 1: It really is up to you. There are many people who swear by refills and compatible cartridges, and many others who have had problems with them. In a nutshell:

Dangers: Compatible/refilled cartridges vary in ink quality. Poor quality ink can dry out your print head and cause damage. You can replace your print head, but this can cost as much as a new printer. You will also invalidate your warranty by using non-genuine ink.

Benefits: Canon ink is very expensive and good quality compatible substitutes can severely cut the cost of printing without damaging your printer.

Minimise the risks - you can take the following steps to minimise the risks of damaging your printer (it's a good idea to follow this advice whether you use genuine cartridges or not):

- Try not to let your cartridges run dry - this can clog the print head.
- Always power off the printer using the printer's power switch rather than simply unplugging and switching off at the mains. The reason is that some printers keep the ink in a ready (i.e. open) state when they are printing to keep printing time shorter. When you power off the printer, it closes the ink cover, keeping the ink tanks sealed. If you just unplug the unit, it will not cover the print head and leave it exposed. For this reason, you should restart your printer and shut it down again if you experience a power cut while the unit is on.
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Problem: There is not an actual RESUME button, so which button is RESUME referring to?

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Solution 1: I couldn't find a RESUME button either, so I looked for an alternative solution for resetting the waste oil tank counter. This worked for me:

MP750 / MP780 reset instructions..

Hint:
- To select something... Use the '-' and '+' buttons and then the "OK" button.
- To go back... Use the "Stop/Reset" button
- To reset... Use the "On/Off" button (only after you've gone back as far as possible it seems)


1. Service menu: Menu -> Scan -> Copy -> Scan (one at a time in sequence)
2. Select "TEST MODE"
3. Select "[8] ETC.."
4. Select "[4] EEPROM CLEAR"
5. Select "[1] INK COUNT"
6. Press the [OK] button.
7. Press the [Stop/Reset] button (returns you to the TEST MOD sub-menu))
8. press the [ON/OFF] button (which resets the printer)


TIP: Don't rush the printer as it can often take considerable time to respond to your commands. Frantic button pressing will just push the printer into snail mode (ie: slow as hell!).

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Problem: Error in Scanner

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Problem: my printer will not print magenta, i have done all the maintenance check all to no avail

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Problem: not printing; ink tanks full

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Problem: The printer shows error code 336. Can anyone please advise what this refers to and how to fix

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Problem: nozzel jet for black 3eBK not printing with new cartridge pixma mp 750

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Problem: pixma 750 won.t print color

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Problem: my prints have started to have a green and yellow stripe through all the images but this does not happen on text or clear background. I have cleaned everything and changed all ink cartridges but still cant get it to print properly.

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Problem: My pixma mp750 is showing WRONG CARTRIDGE even though Im using Cannon cartridges .It wont let me print anything or clean heads. What can I do

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