Canon IPixma 4200 Won't Power On (occassional)

Check all the cables and make sure that they are plugged in tightly. After that I can't help you without more information.

sounds like the gas supply line to those burners are clogged. a needle or toothpick should unclog them with no problem

Power off the printer and wait for 2 minutes.
Power the printer back up and access it thru the PC controls software and try to print something that way.
if this is no good , then I would access the printers web site at ;
http://www.usa.canon.com/cusa/consumer/standard_display/contact_us_consumer

It sounds as though you have a break in the carriage ribbon cable. A new carriage would hopefully cure it but its just possible the logic board has failed and is not sending any signal to the magenta ink tank. Its certainly repairable but you would need to know the costs and the labour charge to see if its worthwhile.

CHK PRINTER 5100 / SEE MANUAL
Cause Action Movement of the Holder is blocked. Clear the paper jam or foreign object that is preventing the Holder from moving, then turn off the machine and turn it back on again. There may be an obstruction that is not allowing the Holder mechanism to move. Check for any obstruction (paper clip, small object, etc.) and also that the protective tape are removed from the FINE Cartridge. Check also for a paper jam and clear the jam if necessary . Then press [Stop/Reset] and start again. The FINE Cartridge may be defective. Press [Stop/Reset]. Reinstall the FINE Cartridge (see Prepare the Machine ) and start again.In either case, if the error does not clear, try unplugging the fax. Wait several minutes, then plug it back in. Also, try replacing the FINE Cartridge with a new one. An error requiring servicing might have occurred. Turn off the machine, and unplug the power cord of the machine from the power supply. After a while, plug the power cord of the machine back in and turn on the machine. If the same error occurs, contact the service center.

The type of error depends of how many beeps do the printer: you have to count the beeps error.

This is likely a failed battery.
The battery on these units is not user-replaceable (soldered to the PCB) and must be returned to Garmin for repair.

CLICK HERE to see more about their FLAT RATE repair service.

Your 765T is listed as a $99 flat rate repair.

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Check the photo paper sensor.

You can download the drivers off the Canon website. My fiance' has a Pixma 4200 and I was able to download the driver there a few months ago.

I just had the same thing happen to me. There was a lightning storm here on Saturday night so, even though I have a surge protector, I assume that it took a surge. HERE IS THE SOLUTION! If you unplug the printer (pull the plug!) for at least 20 minutes (which lets the system discharge)then plug it back in, the system is allowed to reset and will fire back up when you press the power button. I know the above post is 3 weeks old, but I'm hoping this will help other searchers like me as well.