Question about Canon PIXMA MP780 All-In-One InkJet Printer
All of the ink cartidges were replaced before I realized that it is probably the printhead that needs service. Is that true? How do I remove and service or replace the printhead?
Service Mode: EEPROM initialization
This printer has a service mode for service-related settings and for performing test prints. The operator panel buttons are used to enter the desired service mode.
Service Mode Operations
1) With the printer powered off, hold down the resume button and press the power button.
2) While holding down the power button, release the resume button and press the resume button twice in succession. Now release the power button. The
indicator will blink in green and remain lit in green.
3) Select one of the following service mode functions by pressing the resume button the specified number of times.
Press Resume Indicator Functions
Zero times Green Power off the printer
1 time Orange Service test print
2 times Green EEPROM information print
3 times Orange EEPROM initialization
4 times Green Waste ink counter setting
5 times Orange Destination settings
6 times Green Print head deep cleaning
7 times Green CD-R test print
8 times Orange CD-R print position correction (horizontal)
9 times Green CD-R print position correction (vertical)
4) Execute the function you have selected (except for model setting) by pressing the power button. The printer will switch itself off after performing the function.
If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Posted on May 24, 2009
a 6ya expert can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017
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