Question about Canon PIXMA MP760 All-In-One InkJet Printer

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MP760 - how to disassemble? (waste ink absorber almost full)

I'm getting "waste ink absorber almost full" errors on my Canon MP760 printer. I know this means that I need to clean out the absorber pads and reset the counter, but I can't figure out how to get at the pads. How do I disassemble this printer? I've tried from the right side (facing the front of the unit) but there's a circuit board in the way that isn't easily moved (plastic tabs from the printer top are in the way). Does anyone have disassembly directions? Or pointers on where to start pulling this printer apart? When I had the right side partially apart I do see ink on the floor of the printer, so I can't just re-set the counter. I do need to clean or replace the pads.

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You really don't have to disassemble it. What would be helpful tho is some sort of long needle-nose forceps. Tho I bet you could get by with a pointy chop-stick in a pinch. There are two waste-ink absorbers on the right, and one spongy thing on the left. With the 'hood' open, allowing you access to the cartridges, you should be able to see the pads. Get a Petzl light on your forehead, you'll need a lot of light! The sponge on the left is covered by a small clear plastic trough that channels the ink into the sponge below. With enough poking and prodding you should be able to get all these out, rinse with water, dry with a hair dryer, blot out the pad areas with a kleenex, and pop them back in. Good Luck!

Posted on Nov 14, 2009

  • toothpick222 Nov 14, 2009

    And let me follow up, dissembling this printer is not for the faint of heart. But... remove the right panel held in by 3 screws. There is a cable retainer in the back, pop that out to free the panel. Ease off the top of the scanner, it will come out easily. Pop the hood. There are left and right retaining guides under the 'hood' that will come out if you pull gently on them and slide forward. This will free the hood mechanically, but there are a bunch of cables that attach the hood to the right-side circuit board. Four flat 'parallel' cables and two wire harnesses. You may want to photograph this to remember where they all are cuz they all have to come off. On the other hand it's impossible to plug the wrong cable into the wrong slot, so buck up! You'll have to loosen 1 blue grounding wire screw. Once unplugged the hood should be free. A long phillips screwdrive, hopefully with a magnetized tip, can be used to remove 2 screws on the left and 3 on the right. Off comes the inner top assembly, revealing the ink cartridges and providing very easy access to the ink pads. But like I said, you'll be worrying a lot about getting this thing all back together! You can really get at the ink pads (and/or replace the print head) without doing any of this!


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How to Disassemble Canon MP780/MP760 Printer to replace the Waste Ink Pads

There are four different types of screws and you want to get them back where they came from. To help you keep the screws straight, I have labeled the photographs with letters corresponding to each screw type. Here are the screw types:

A: medium length plastic screw.

B: short machine screw with integrated washer.

C: longer plastic screw with integrated washer.

D: shorter plastic screw.

Before you attempt this process, you should remove the cartridges, do a deep head cleaning followed by a nozzle check and repeat until nothing prints. Then remove the print head and unplug the printer with the carriage still in the center of the printer.

You will need a medium Phillips screwdriver with a long shaft (at least five inches long).

Start by removing the two side panels. First remove these two screws from the front of the printer:

MP760 - how to disassemble? (waste ink absorber al - 1.jpg

Canon MP 780 / MP 760 Disassembly Guide

Remove these four screws from the rear of the printer:

Now pry off the back of each side panel over the two posts that the rear screws were removed from, pull each panel away from the printer and forward to release it from the printer. Be very careful of the timing wheel exposed on the left side of the printer during subsequent handling. You don't want to get it dirty or damage it.

Next you have to remove the scanner unit. This is the most difficult part of this job. Remove all the wires and cables that pass from the scanner along the right hand hinge point being very careful to note where each cable goes. Some of the ribbon cables are held tightly in their connectors with a locking frame. You need to pull these out (but not off) to release those ribbon cables and of course you have to press the frames back in after you carefully return the cables to their proper positions. You also have to remove a couple plastic retainers. Look carefully at how they snap into place so that you can unsnap them without breaking them. It would be a good idea to take pictures and notes so that you can get it back together again. Here are pictures of this area for the MP760 (the MP780 is slightly different):



After all the cables and wires are off the connectors (and the grounding wires unscrewed), gently pull the wires up through their feed holes up to the top of the printer.

If you are working on an MP780, you can remove the upper part of the scanner. Open the cover until it is pointing almost straight up and then pull it out from the bottom scanner. You will have to wiggle it to get it free. Be careful of the wires on the right side. Bypass this step if you are working on an MP760.

Next you will have to remove the two grey guides shown at the top of the first picture on this post. You do this by holding the scanner part way up so that the handle that you use to raise and lower the scanner is somewhat forward. Pull down on the top center of the guide and after the semi-circular protrusion is below its lock, slide the guide forward and remove it. Repeat for the other guide. Pay close attention to how these guides are removed so that you can get them back in place and be very careful that you don't break the semi-circular protrusion. It breaks very easily and if it does break, the guides will not stay in place unless you use an adhesive (tape or glue).

Now you need to remove the bottom portion of the scanner from the printer (or the entire scanner if you have an MP760). Do this by opening it until it is straight up and lift it right out of its hinge points.

Now with the scanner out of the way, you can remove four screws that hold the top of the printer in place. These four screws are located in approximately the four corners of the printer but you will have to raise the handle for the scanner to get to the one in the rMP760 - how to disassemble? (waste ink absorber al - 6.jpgfront corner. Here are pictures of the screws in the four corners:

Left rear:


Right rear:


Left front (get the correct screw, it's the one in front):


And finally right front (you won't see this unless you raise the scanner handle):


Make sure the handle for lifting the scanner (which has been removed) is latched down and simply lift the top of the printer away.

Now you can see much of thMP760 - how to disassemble? (waste ink absorber al - 10.jpgter mechanism. There is a total of seven or eight screws that need to be removed. (Disregard the sight of cables going everywhere, these pictures were taken from one of the printers that was broken and I was not concerned about restoring it.)

Two screws on the left side of the printer:


Two or three screws from theMP760 - how to disassemble? (waste ink absorber al - 12.jpg rear of the printer (the one in the middle is higher than the other two and don't remove the two screws holding ground wires):


And three more screws near the right center of the printer:


Before you can lift the printer mechanism and the electronics board away from the base, you need to disconnect the wires that go to the left side of the electronics board (near the front of the printer) that are not colored orangMP760 - how to disassemble? (waste ink absorber al - 13.jpgellow. On the MP780 there are two pairs of wires and on the MP760 there is just one. The picture above shows these two wire pairs for the MP780 disconnected. These wires go along the underside of the printer to the other side.

Slide the carriage as far right as it will go.

Before you remove the printer mechanism from iMP760 - how to disassemble? (waste ink absorber al - 14.jpge, you should observe the positions of a couple of white cams as seen circled in yellow in this picture:


Don't worry if they come loose while you are removing the printer mechanism, just remember to put them back where they belong when re-assembling. Here is a closeup of the one on the right:


Lift the mechanism up by the metal bar that goes across the top of the printer. As you first MP760 - how to disassemble? (waste ink absorber al - 16.jpgto lift it, some orange cables near the front need to be unpositioned from their plastic guides in the base. Note how they are positioned so that you can get them back in the same orientation. This picture shows how these orange cables are positioned and how you need to return them when you are putting the printer back together:


When you get the printer mechanism removed, this is what you'll see:


Now you can easily remove the waste ink pads and clean up all the residual ink from the various plastic parts. Thoroughly dry it before installing new pads.

You may also want to remove and wash the thin black sponge unit that runs the width of the printer. Also clean the wiper blades and the two purge pads. When you put them back, the notch goes in the left rear corner.

Reassemble the printer by reversing all the steps. To help guide the printer into the base, look at the back of the printer and line up the door into the base unit. Make sure those two white tabs are inserted where they belong and are engaging the proper posts and make sure the orange wires make their way across their restraining tabs. Make sure you plug in the wires that run along the base of the printer.

When putting the printer top on the printer, look at the back again and line up the door into the printer top.

Posted on Sep 03, 2011

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Yes you can get to the top right absorbers they are like plastic and you can get to the long one that runs from side to side under the printer cartridges that's foam
also the left side one is held down buy a Pease of plastic it' foam under the plastic clip, but you can not get to the paper type absorber until you no how to take of all the side with gears etc .if anyone knows how to do this please let us no

Posted on Jul 31, 2011

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How to reset MP760

How to Reset Canon MP760 - Waste Ink Tank Reset Procedure1) Press the following keys in sequence: Copy-Menu-Scan-Copy-Scan.
The display will say:

2) Press the V key six times.
The display will say:

3) Press OK.
The display will say:

4) Press the V key four times.
The display will say:

5) Press OK.
The display will say:
XX (where XX is how full the waste ink tank is as an integer percentage)

6) Change the XX to 0 by hitting the <> keys as many times as necessary (if you are closer to 99 than 0 it is better to hit the > key until it wraps around to 0).
The display will say:

7) Press OK.
The display will momentarily say:
and then will quickly change to:

8) Press the Stop/Reset button

And the printer is back to normal.

Jul 11, 2012 | Canon PIXMA MP760 All-In-One InkJet...

2 Answers

Canon mp760 printer overflow full, have parts and service manual. Need code to get going again

there is no need to change the ink absorbing sponges at all ,,as i hve solved this problem myself for many of my clients i m sure that it will work for u too if followed properly step by step:

It could be due to "waste tank full" alarm; you may need to reset the waste tank counter.
reset sequence for a MP760 printer that works for F30 and F50 as well. Try:
Resetting the Waste Ink Volume Counter
1) Enter SERVICE MODE.---
By pressing Menu-Copy-#
2) Select TEST MODE.
3) Select [8] PRINTER TEST in TEST MODE.
4) Select 3. [EEPROM CLEAR].
5) Select 0. [INK COUNT].
6) Press the [OK] key.
7) Press the [Stop/Reset] key (returning to the state of 3)), and then press the [ON/OFF] key.

ur printer absorber will reset and will work properly and u will be back to work.try doing it one more time if u miss something .
please take a moment to rate the solution after u get ur problem solved

Oct 03, 2008 | Canon PIXMA MP760 All-In-One InkJet...

2 Answers

Ink absober is full

Eight flashes: Waste ink absorber almost full

The printer has a built-in waste ink absorber for the ink used during Print Head cleaning. Eight flashes indicates that the waste ink absorber is nearly full. Press the RESUME/CANCEL button to cancel the error so you can continue printing. Before the waste ink absorber becomes completely full, contact a Canon service representative.


Canon recommends that you call for service as soon as this error occurs. Once the waste ink absorber becomes completely full, printing will no longer be possible

Jan 11, 2011 | Casio Office Equipment & Supplies

1 Answer

Canon PIXMA MP760: Waste Ink Absorber almost full - interrupts printing. Removed/cleaned absorbers. Still "almost full". I found out that there is a counter, versus a sensor, that determines the state of...

I'm curious as to how you cleaned the ink absorbers since they are normally sealed.

Go to the Cannon USA website and search using the terms full ink absorbers and MP760.

Let me know if you still cannot find the answer.

Oct 15, 2010 | Canon PIXMA MP760 All-In-One InkJet...

1 Answer

How to solve the problem of "Waste ink absorber is full", then show "check printer" & "5800" after continuing to use it for Canon MP150 Printer?

Use this method with your own risk!!

E2-2 = No paper (ASF)
E3-3 = Paper jam
E4 = No ink
E5-5 = The ink cartridges are not installed or a non-supported ink cartridge is installed, or the ink cartridges are not installed properly
E8 = Waste ink absorber full, or platen waste ink absorber full
E9 The connected digital camera / video camera does not support Camera
Direct Printing
E14 The Ink cartridges whose destination are wrong
E15 Ink cartridge is not installed E16 - Ink remaining is unknown
E16 -E19 Failed to scan head alignment sheet
E22 Carriage error
E23 Paper feed error
E24 Purge unit error
E25 ASF(cam) sensor error
E26 Internal temperature rise error
E27 Waste ink absorber full or platen waste ink absorber full
E28 Ink cartridge temperature rise error -
E29 EEPROM error
E33 Paper feed position error
E35 15 USB Host VBUD overcurrent error - USB
E37 17 Abnormal motor driver error
E40 20 Other hardware error
E42 22 Scanner error

Reset E27 Waste ink absorber full or platen waste ink absorber full for Mp170

firstly download MPTOOL
Download here
Download manual guide how to use MPtool
download here

OK hope this can help

Jul 12, 2010 | Canon PIXMA MP170 All-In-One InkJet...

1 Answer

Waste ink absorber is almost full cannon pixma

Hi there

Ok hope you have good luck.
There no easy way the printers are been made this way so you take them to the shop, but if you are handy with your hands and know what you are doing then you will need to take all apart and take out the ink pads inside the printer and clean them up make sure they nice dry when put back in, then you are going to need a program that you can find on the internet it will be called waste reset tools, or your printer will not work even after you done the clean out.

I am not sure what canon you have so I cant tell you the tools you need for yours, i have got canon MP-Tools on my website if this is the one you need.
with this you can reset the waste ink tank before you do the clean out but remember in time you will need to clean out or it going to be a big mess of ink coming out your printer.

Click Link =

All I ask is please come back and just gave a vote, it will gave me some satisfaction to know am helping some one so I will keep on helping.
All The Best: Pineworks

All files on my website are only there for a limited time

Oct 17, 2009 | Canon PIXMA MP760 All-In-One InkJet...

1 Answer


Hi there

Ok I have put a MP-Tools in my website for you to try out this tools are for reseting your inks plus it can do much more.

Click on the link to download it.

Click Link =

All I ask is please come back and just gave a vote, it will gave me some satisfaction to know am helping some one so I will keep on helping.
All The Best: Pineworks

All files on my website are only there for a limited time

Aug 05, 2009 | Canon PIXMA MP760 All-In-One InkJet...

1 Answer

The canon pixma ip1300 was full of the ink absorber,what is the solution of it,and what i do for the ink absorber?

You need to reset your printer and replace the absorber.The absorber is on the bottom of the printer and you need to disassembly the hole printer to replace it.For reset the printer look this:

Jun 12, 2009 | Canon PIXMA MP760 All-In-One InkJet...

1 Answer

Printer says ''waste Ink absorber is full'' see service center

This is what the manual says: Ink used for cleaning is absorbed in a waste ink absorber placed in the machine. Press [OK] to cancel the error so that you can continue printing. Once the waste ink absorber becomes completely full, printing cannot be done until the waste ink absorber is replaced.
Canon recommends to contact a Canon service representative as soon as possible.

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