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Need disassembly instructs for canon mp780 printer purge unit

Greetings: My mp780 has been intermittently printing poorly for the last year. I disassembled it several months ago and cleaned up everything I could but I was too chicken to dig all the way down to the purge unit. Consequently, it would work for a while until the blue ink would ''dry out'' and I'd have to hand prime it.
SOOOO... I just finished disassembling the whole mp780 unit again and now I have the purge unit extracted and sitting beside me. What I need is a disassembly map of the 780 purge unit (lots of pictures) and any tips, calibration or keyings etc before I take it apart to clean.

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You can buy a workshop manual on eBay which will give you full schematic drawings. Also check out photos and instructions at newsquaremusic.com/CanonMP730PrinterPurgeUnitDisassemblyand Assembly.pdf

Posted on Feb 27, 2010

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Canon doesn't have instructions to take apart that part. A new one is around $40.00.
HY7-2919-020

Posted on Jul 27, 2009

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I have a mp780 and there is an error 6A00


Hi there

This answers with a titch more detail.
The 6A00 is a Canon generic code for paper path jam.

Some where in the paper path a sensor is activated indicating paper jam so the printer will give off a 6A00 code.
As a Canon tech, I usually find the code, almost 90% of the time, is related to the purge unit being jammed with something and not being able to move.
Moving the print head assembly will not clear a purge unit if its jammed with paper, paper clips, push pins, screws, cookie crisp, flower bud pods or the like.

And yes I have found all those things in a purge unit.
The offending item needs to be removed or the purge unit needs replacement.
Incidentally, the 6A00 error pertains to all Canon printers made in the last several years, its not just used in one model.

And it's always a paper path error or purge unit.

The purge unit, called a spittoon assembly in an HP, Lexmark, and other inkjet printers, is where the print head assembly parks when not in use, also its other job is to clean and make sure the print head is clean and open for printing.


That is where you'll find the print head assembly parked on top of it.
It also has an electrical pump to milk the print heads and test for ink flow.

So clean all under where the heads are parked and on IP6600D models you can take out the heads just by clipping them out, and then clean well.

Also clean the purge unit out make sure all is clean.


Thanks for using fixya....

Nov 02, 2010 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

PIXMA MP780 All-In-One InkJet Printer: Getting Printer Error 6A00 light on pinter flashin...


Hi
Error 6A00
The 6A00 is a Canon generic code for paper path jam.

Solution 1:
Move the printhead carriage back and forth a few times.

Solution 2:
Check the purge unit: Moving the print head assembly will not clear a purge unit if its jammed with paper, paper clips, push pins, screws, cookie crisp, flower bud pods or the like.

Solution 3:
Press the ink pads down in the purge unit.


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

May 07, 2010 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Printer stopped working. I just added new ink supply. Alarm light flashes. Printer status says "service error 6A00"--"check printer" "cancel printing and press the ok button." None of this works. And I...


Hi
Error 6A00
The 6A00 is a Canon generic code for paper path jam.

Solution 1:
Move the printhead carriage back and forth a few times.

Solution 2:
Check the purge unit: Moving the print head assembly will not clear a purge unit if its jammed with paper, paper clips, push pins, screws, cookie crisp, flower bud pods or the like.

Solution 3:
Press the ink pads down in the purge unit.

Apr 05, 2010 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

I have a problem with my canon mp780 printer, have a 6A00 error code


Hi there

This answers with a titch more detail.
The 6A00 is a Canon generic code for paper path jam.

Some where in the paper path a sensor is activated indicating paper jam so the printer will give off a 6A00 code.
As a Canon tech, I usually find the code, almost 90% of the time, is related to the purge unit being jammed with something and not being able to move.
Moving the print head assembly will not clear a purge unit if its jammed with paper, paper clips, push pins, screws, cookie crisp, flower bud pods or the like.

And yes I have found all those things in a purge unit.
The offending item needs to be removed or the purge unit needs replacement.
Incidentally, the 6A00 error pertains to all Canon printers made in the last several years, its not just used in one model.

And it’s always a paper path error or purge unit.

The purge unit, called a spittoon assembly in an HP, Lexmark, and other inkjet printers, is where the print head assembly parks when not in use, also its other job is to clean and make sure the print head is clean and open for printing.


That is where you'll find the print head assembly parked on top of it.
It also has an electrical pump to milk the print heads and test for ink flow.

So clean all under where the heads are parked and on IP6600D models you can take out the heads just by clipping them out, and then clean well.

Also clean the purge unit out make sure all is clean.


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

Mar 19, 2010 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Error message 6A00


The 6A00 is a Canon generic code for paper path jam. Some where in the paper path a sensor is activated indicating paper jam so the printer will give off a 6A00 code. As a Canon tech, I usually find the code, almost 90% of the time, is related to the purge unit being jammed with something and not being able to move. Moving the print head assembly will not clear a purge unit if its jammed with paper, paper clips, push pins, screws, cookie crisp, flower bud pods or the like. And yes I have found all those things in a purge unit. The offending item needs to be removed or the purge unit needs replacement. A Pixma MP830 would still be under Canon warranty, get it into a shop and save yourself the hassel.
Incidently, the 6A00 error pertains to all Canon printers made in the last several years, its not just used in one model. And its always a paper path error or purge unit.
I forget myself so here goes, the purge unit, called a spittoon assembly in an HP, lexmark, and other inkjet printers, is where the print head assembly parks when not in use, also its other job is to clean and make sure the print head is clean and open for printing. That is why you'll find the print head assembly parked on top of it. It also has a an electrical pump to milk the print heads and test for ink flow.

Feb 04, 2010 | Canon PIXMA MP780 All-In-One InkJet...

2 Answers

Canon Mp780 error code 6A00


6A00 is not a jam error, it is an error of the purge assembly not cycling properly. Many times a paper scrap jammed in the capping assembly or the squeegee assembly caught on the filter assembly. Usually worn out gears and dried ink so that replacement of the purge assembly is the best fix.

Jan 19, 2010 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Error message 6A00


Hi

The 6A00 is a Canon generic code for paper path jam.

Solution 1:
Move the printhead carriage back and forth a few times.

Solution 2:
Check the purge unit: Moving the print head assembly will not clear a purge unit if its jammed with paper, paper clips, push pins, screws, cookie crisp, flower bud pods or the like.

Solution 3:
Press the ink pads down in the purge unit.
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

Jul 11, 2009 | Canon PIXMA MP780 All-In-One InkJet...

2 Answers

Printer doesn't print text in black or any color


I think you'll need to call canon for a printhead.

Apr 11, 2009 | Canon PIXMA MP780 All-In-One InkJet...

2 Answers

Some colours not printing


I bet you are using non genuine ink, the MP780 will not put up with that ink, you will need a new printhead and maybe a purge unit. Take the machine to your ink supplier and get him to fix it as he supplied the ink

Jan 29, 2007 | Canon PIXMA MP780 All-In-One InkJet...

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