If you unplug the printer for a couple hours plug it back in and hit the power button it will flash on and flash off. Hit the power button again and nothing will happen
It insists there is a Cartridge problem on the Printer............ In this Case take out the Paper from the Paper Feed Tray........ Unplug the Power Supply from the Printer.......... Remove both the Cartridges from the Printer.......... Now take a size 10 Envelope fold it so that it should become like a thin long strip........ Now Insert that Envelope on the left side corner of the Printer and move it from right to left and left to right as fast as u can for about 10 times.......... Now Insert the Ordinary Papers onto the Printer and insert both the catridges and Turn on the Printer...... Blinking Stopped...........Issue Resolved....... Still Blinking: Remove both the Cartridges take a Paper Towel turn the catridges direction so that u can see a Copper plate with small boxes on it....... Just wipe it twice or thrice with the Paper Towel.......... Now insert it and Power on the Printer and see whether the Lights are still blinking if it is still blinking...... Contact Lexmark at 1-800-539-6275!!!!!
Good Luck!!!!!
SOURCE: Machine Unresponsive
HP Support:
Try resetting the unit by unplugging the unit while its on, then holding on the # and 6 keys plug the power back in an continue to hold the # and 6. The printer will power itself down, the reset is complete; turn it back on using the power button and attempt a copy.
If the unit has never been able to make a copy, it is likely that unit is defective.
SOURCE: Power button flashing on and off
Check to ensure there is nothing obstructing the paper feed mechanism down inside the printer where it is not easily seen.
Check and see if the encoder strip is in place:
Encoder strip rides in a sensor on the back of the cartridge carrier that you will not be able to see. Reach in with the first finger of either hand and carefully strum the strip as if playing a guitar. The strip will need to be lowered slightly and brought towards you slightly. Please be careful not to break the strip or your printer will not function. Once you believe the strip is set correctly, plug the power back and let me know if the lights are still blinking.
If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe
I’m happy to assist further over the phone at https://www.6ya.com/expert/joe_8b8c2cd6ce148309
SOURCE: I cannot get the power button on my Canon i9900
The most likely cause is the printhead has gone out. If you can get to it, you need to remove the printhead and try power again. If it comes on you need a new printhead, if you put the old one back in you could destroy the logic PCB.
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