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

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Getting printer to work

Mp780 has flashn words check printer press ( ok) with these icons flashn as well##357 and an orange flashn light besides alarm

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  • anjohn Feb 01, 2008

    My canon pixma mp 780 orange light keeps flashing and lower cover opens automatically. I have tried several repair options to no avail and alarm sounds when other buttons are pressed. I have tried to clean all mechanisms to the right side after opening area where ink and print head are located. I moved things that I thought were stuck and I cleaned things that were recommended but still did not work.

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2 Answers

## 357 error is the ASF paper feed position error on the MP780.
I have the maintenance manual in pdf format I could email you, its a 5.6Mb file be warned :)
regards Paul
pduffyd@hotmail.com

Posted on Feb 02, 2008

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The print head can appear to be stuck. Move it manually and it will begin moving on its own. After a few times back and forth it may start working OK. This worked for my #357 error.

Posted on May 31, 2008

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Hi my printer PIXMA MP780 all in one is not working when switched on it gives me the erra message ##357. everything is on but its not working. Please help


357 ASF paper feed (AP) position error
Cause: An error occurs at the AP positioning in the ASF (Auto Sheet Feeder) unit.
Solution: (1) To reboot, press [OK] button or turn off and then on the power.
(2) Replace the SHEET FEED ***'Y.
(3) Replace the SPCNT board.

Nov 16, 2010 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Printer reads "Waste Ink Near Full"


www.fixyourownprinter.com/forums/inkjet/50418
The above link will assist you.
1) With the printer power turned off, while pressing the Resume/Cancel button, press and hold the Power button. (DO NOT release the buttons. The Power LED lights in green to indicate that a function is selectable.)
2) While holding the Power button, release the Resume/Cancel button. (DO NOT release the Power button.)
3) While holding the Power button, press the Resume/Cancel button 2 times, and then release both the Power and Resume/Cancel buttons. (Each time the Resume/Cancel button is pressed, the Alarm and Power LEDs light
alternately, Alarm in orange and Power in green, starting with Alarm LED.)
4) When the Power LED lights in green, press the Resume/Cancel button the specified number of time(s) according to the function listed in the table below. (Each time the Resume/Cancel button is pressed, the Alarm and
Power LEDs light alternately, Alarm in orange and Power in green, starting with Alarm LED.) [hth: I believe the power button has to be pressed once more after cycling the alarm button to complete the action. The power/resume-cancel button LEDs toggle to help you count.]

Time(s) LED indication Function Remarks
0 times Green (Power) Power off When the print head is not installed, the
carriage returns and locks in the home position capped.
1 time Orange (Alarm) Service test print See 3-4. Verification Items, (1) Service test print.
2 times Green (Power) EEPROM information print
See 3-4. Verification Items, (2) EEPROM information print.
3 times Orange (Alarm) EEPROM initialization [hth: does not re-initialize Waste ink counter]
>>>> 4 times Green (Power) Waste ink counter resetting
5 times Orange (Alarm) Destination settings [hth: not applicable]
6 times Green (Power) Print head deep cleaning (Cleaning of both black and color)
[hth: 7-10 not applicable]
11 to 13 times Orange, Green, Orange (Alarm, Power, Alarm) Return to the menu selection
14 not used in servicing
15 Orange (alarm) return to the menu selection,.

Note: If the Resume/Cancel button is pressed 16 or more times, the Alarm or Power LED lights steadily without
any changes.

[hth: if the alarm light is flashing 15 times at turn-on [cartridge not recognized error], none of these procedures seem to work. If anyone knows how to defeat this error, I would like to know.]

Aug 24, 2010 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Waste ink is full how do i fix it?


www.fixyourownprinter.com/forums/inkjet/50418
all is revealed above.
1) With the printer power turned off, while pressing the Resume/Cancel button, press and hold the Power button. (DO NOT release the buttons. The Power LED lights in green to indicate that a function is selectable.)
2) While holding the Power button, release the Resume/Cancel button. (DO NOT release the Power button.)
3) While holding the Power button, press the Resume/Cancel button 2 times, and then release both the Power and Resume/Cancel buttons. (Each time the Resume/Cancel button is pressed, the Alarm and Power LEDs light
alternately, Alarm in orange and Power in green, starting with Alarm LED.)
4) When the Power LED lights in green, press the Resume/Cancel button the specified number of time(s) according to the function listed in the table below. (Each time the Resume/Cancel button is pressed, the Alarm and
Power LEDs light alternately, Alarm in orange and Power in green, starting with Alarm LED.) [hth: I believe the power button has to be pressed once more after cycling the alarm button to complete the action. The power/resume-cancel button LEDs toggle to help you count.]

Time(s) LED indication Function Remarks
0 times Green (Power) Power off When the print head is not installed, the
carriage returns and locks in the home position capped.
1 time Orange (Alarm) Service test print See 3-4. Verification Items, (1) Service test print.
2 times Green (Power) EEPROM information print
See 3-4. Verification Items, (2) EEPROM information print.
3 times Orange (Alarm) EEPROM initialization [hth: does not re-initialize Waste ink counter]
>>>> 4 times Green (Power) Waste ink counter resetting
5 times Orange (Alarm) Destination settings [hth: not applicable]
6 times Green (Power) Print head deep cleaning (Cleaning of both black and color)
[hth: 7-10 not applicable]
11 to 13 times Orange, Green, Orange (Alarm, Power, Alarm) Return to the menu selection
14 not used in servicing
15 Orange (alarm) return to the menu selection,.

Note: If the Resume/Cancel button is pressed 16 or more times, the Alarm or Power LED lights steadily without
any changes.

Mar 29, 2010 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

My PIXMA MP780 is still flashing check the printer then press ok - an error msge ##357 keeps coming up. what does this mean pls?


This is an error in the position of the paper feed unit.
First, make sure there is no paper jam anywhere in the machine.. look inside, rear, where the paper tray (output) is, etc to see if you find any shreds or torn paper that may have gotten stuck and you didn't see.Look carefully in the zone of Purge unit, using flashlight in the right side on printer.Look in the sheet feeder too. If this not help your printer need service.

Oct 28, 2009 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Printing problem


pls replace your printer catridge.

Aug 22, 2009 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Alarm is ringing ##356 is dispayed on screen also on screen is the words check printer press ok


That error is a sheet feeder error, the paper feeder is not moving properly. Any time I've found this problem, I've found broken gear studs and the feeder assembly needs to be replaced. Runs around $40.00 for the part.

Aug 10, 2009 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

When i turn it(canon MP780)on, i see a error (##357). How can i fix it?


The service manual says this for ##357:
ASF paper feed (AP) position error.
AND ALSO:
##357 ASF paper feed (AP) position error
Cause: An error occurs at the AP positioning in the ASF (Auto Sheet Feeder) unit.
Solution: (1) To reboot, press [OK] button or turn off and then on the power.
(2) Replace the SHEET FEED ***’Y.
(3) Replace the SPCNT board.

Apr 04, 2009 | Canon PIXMA MP780 All-In-One InkJet...

2 Answers

Mp780 error code ##357


Try Canon Technical Support-maybe a defective printer to be replaced with a recon unit. failing that try www.fixyourownprinter.com

Jun 19, 2007 | Canon PIXMA MP780 All-In-One InkJet...

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