Error code B300 concerns these Canon printers: MP7600, IX7000, MX7600... Sometimes there is a message like "cancel printing, shut down the power and try again. If it doesn't work, call Canon service". Alarm and power leds blink 8 times. Error B300 is a reactor error: a hardware error in supply of the ractor liquid Solutions 1 : Power off the printer. Disconnect the power cord from the electrical outlet. Hold down the power button and Wait one minute. Reconnect the power cord to the electrical outlet. Switch on the printer. Solution 2 : Power off the printer. Disconnect the power cord from the electrical outlet Wait for ten minutes. Reconnect the power cord to the electrical outlet. Switch on the printer. Solution 3 : Clean the ink cartridges contacts. Solution 4 : Open the printer and wait for the carriage to slide over. Remove the ink cartridges. Clean the print head with cotton swabs dipped in hot water. Once finished, allow to d
Reset printers and cartridge. Printers problem solving,tips, tricks and tutorial.